A camel eats 18.3 kg of Bermudagrass hay that is 14.7 %
CP on a dry matter basis. If the DM percentage of the hay is 83.4
%, how much protein did the camel consume?

Answers

Answer 1

The camel consumed approximately 2.24 kg of protein from the Bermudagrass hay.

To calculate the amount of protein the camel consumed, we need to consider the dry matter basis of the hay. Here's how you can calculate it:

Calculate the dry matter weight of the hay:

Dry Matter Weight = Total Weight of Hay × Dry Matter Percentage

Dry Matter Weight = 18.3 kg × (83.4/100)

Dry Matter Weight = 18.3 kg × 0.834

Dry Matter Weight = 15.2442 kg

Calculate the protein content in the dry matter;

Protein Content = Dry Matter Weight × Protein Percentage

Protein Content = 15.2442 kg × (14.7/100)

Protein Content = 15.2442 kg × 0.147

Protein Content = 2.2414194 kg

Therefore, the camel consumed approximately 2.24 kg of protein from the Bermudagrass hay.

To know more about Bermudagrass here

https://brainly.com/question/30516027

#SPJ4


Related Questions

Consider the balanced equation below.

What is the mole ratio of PCl3 to PCl5?
1:1
2:1
3:5
5:3

Answers

From the balanced equation below the mole ratio of PCl3 to PCl5 is 1:1

How can the mole ration be gotten?

[tex]PCl_{5} + PCl_{5}[/tex] -------------------> [tex]PCl_{5}[/tex]

Number of moles of [tex]PCl_{3}[/tex] can be expressed as  1 mole

Number of moles of  [tex]Cl_{2}[/tex] can be expressed as 1 mole

Number of moles of  [tex]PCl_{5}[/tex] can be expressed as 1 mole

Mole ratio of [tex]PCl_{5}[/tex] can be expressed as 1:1

The ratio of the mole quantities of any two compounds present in a balanced chemical reaction is known as the mole ratio. A comparison of the ratios of the molecules required to accomplish the reaction is given by the balancing chemical equation.

Learn more about mole ratio at;

https://brainly.com/question/30632038

#SPJ1

The"atomic packing fraction" is the fraction of a crystal's volume occupied by atoms, assuming that the atoms are solid
spheres which touch each other. For f.c.c. crystals it is 0.80, whilst for b.c.c. crystals it is 0.73.
A cubic ingot of low-carbon steel with an f.c.c. crystal structure is cooled from 1020°C to just ABOVE 940°C, at which
temperature it retains an f.c.c. structure and has dimensions of exactly 2m x2m x2m. It is then cooled to just below
940°C and its crystal structure transforms to b.c.c. The ingot expands as it changes crystal structure. What are the ingot's
cube edge dimensions after transformation (ignoring the slight thermal contraction due to the small change in
temperature)? (Enter the value in meters to the nearest mm.)

Answers

The ingot's cube edge dimensions after transformation are 1.83 m.

The "atomic packing fraction" is the fraction of a crystal's volume occupied by atoms, assuming that the atoms are solid spheres which touch each other. For f.c.c. crystals, it is 0.80, whilst for b.c.c. crystals, it is 0.73.

A cubic ingot of low-carbon steel with an f.c.c. crystal structure is cooled from 1020°C to just ABOVE 940°C, at which temperature it retains an f.c.c. structure and has dimensions of exactly 2m x 2m x 2m. It is then cooled to just below 940°C, and its crystal structure transforms to b.c.c. The ingot expands as it changes crystal structure.

The formula for calculating the atomic packing factor (APF) is APF = (number of atoms per unit cell x volume of each atom) / volume of the unit cell. The fcc crystal structure has an APF of 0.74, and the bcc crystal structure has an APF of 0.68.

Based on the above information, the ingot's fcc structure has an APF of 0.74 and a volume of 2m × 2m × 2m = 8m³.

Below 940°C, the ingot's crystal structure changes from fcc to bcc, resulting in an increase in edge length. Assume that the cube has an edge length of "a," and that the crystal structure changes from fcc to bcc, the edge length of the bcc cube can be determined as follows: (a^3 / 4) x 3 = (a^3 / 2)^(1/2)

The edge length of the bcc cube is a = 2 × (3/2)^0.5 × a = 3.464 a

The ratio of volumes for the ingot at just above 940°C and just below 940°C (when it is in bcc crystal structure) is equal to the ratio of the number of atoms in the ingot in the fcc and bcc crystal structures. The number of atoms in the ingot can be calculated from its density of 7.86 g/cm³ and mass of 16 x 10^3 kg, which is equal to 2.035 × 10^6.

The ratio of the volumes of the ingot in the fcc and bcc crystal structures is equal to the ratio of the number of atoms in the fcc and bcc crystal structures, respectively:

(0.74 x 2.035 x 10^6 x 4 x π x (0.1236/2)³) / (0.68 x 2.035 x 10^6 x 2 x π x (0.1236/2)³) = 8a³ / a³ = 3 / 2^(1/2) = 1.414

Since the edge length of the fcc cube is 2m, the edge length of the bcc cube is:

a = 2m × (1.414 / 8)^(1/3) = 1.825 m ≈ 1.83 m (to the nearest mm)

Therefore, the ingot's cube edge dimensions after transformation are approximately 1.83 m to the nearest mm.

To learn more about dimensions, refer below:

https://brainly.com/question/31460047

#SPJ11

How many of the following are WEAK acids?
HNO2 HF HNO3 H2PO4^-

a. 0
b. 1
c. 4
d. 2
e. 3

Answers

The weak acids are HNO₂ and HF. Option D is correct.

HNO₂ (nitrous acid) and HF (hydrofluoric acid) are considered weak acids because they only partially dissociate in water, resulting in a relatively low concentration of H⁺ ions in solution. On the other hand, HNO₃ (nitric acid) and H₂PO₄⁻ (dihydrogen phosphate) are strong acids, which fully dissociate in water, producing a high concentration of H⁺ ions.

On the other hand, HNO₃ (nitric acid) and H₂PO₄⁻ (dihydrogen phosphate) are both strong acids;

HNO₃ is a strong acid that fully dissociates in water, resulting in a high concentration of H⁺ ions.

H₂PO₄⁻ is a weak acid in its conjugate acid form (dihydrogen phosphate), but as H₂PO₄⁻, it acts as a weak base rather than a weak acid.

Hence, D. is the correct option.

To know more about weak acids here

https://brainly.com/question/32730049

#SPJ4

Which among the following elements does NOT exist as a diatomic molecule in nature? ANSWER:
- nitrogen
-neon
-hydrogen
-fluorine
-none of the above

Answers

Neon does not exist as a diatomic molecule in nature. Option B is correct.

Diatomic molecules will consist of the two atoms of the same element which is bonded together. In the case of nitrogen (N), hydrogen (H), and fluorine (F), they naturally exist as diatomic molecules: N₂, H₂, and F₂, respectively.

However, neon (Ne) is an exception. Neon is a noble gas, and noble gases are characterized by having a full valence electron shell, making them highly stable and chemically inert. Unlike other elements, neon atoms do not readily form bonds with other neon atoms or elements to create diatomic molecules. Therefore, neon exists as individual atoms (Ne) rather than forming diatomic molecules.

Hence, B. is the correct option.

To know more about diatomic molecule here

https://brainly.com/question/11914539

#SPJ4

--The given question is incomplete, the complete question is

"Which among the following elements does NOT exist as a diatomic molecule in nature? ANSWER:- A) nitrogen B) neon C) hydrogen D) fluorine E) none of the above."--

the total number of electrons in the 3d orbitals of a copper atom is

Answers

In a copper atom, the total number of electrons in the 3d orbitals is 10.

Electronic configuration is the arrangement of electrons in an atom's orbitals. Electrons are arranged in orbitals according to the Aufbau principle, which states that electrons are filled in orbitals of increasing energy. The first orbital, called the 1s orbital, can hold up to 2 electrons. The second orbital, called the 2s orbital, can hold up to 2 electrons. The third orbital, called the 2p orbital, can hold up to 6 electrons. The fourth orbital, called the 3s orbital, can hold up to 2 electrons. The fifth orbital, called the 3p orbital, can hold up to 6 electrons. The sixth orbital, called the 3d orbital, can hold up to 10 electrons. The seventh orbital, called the 4s orbital, can hold up to 2 electrons. The eighth orbital, called the 4p orbital, can hold up to 6 electrons. The ninth orbital, called the 4d orbital, can hold up to 10 electrons. The tenth orbital, called the 4f orbital, can hold up to 14 electrons.

The electronic configuration of copper is [Ar] 3d10 4s1 where Ar represents the electronic configuration of the argon gas. Here, the valence shell of copper contains one electron in the 4s orbital and 10 electrons in the 3d orbitals.

Therefore, the total number of electrons in the 3d orbitals of a copper atom is 10.

To learn more about atoms :

https://brainly.com/question/6258301

#SPJ11

Compute the relative humidity (RH) to nearest percent for each of the following atmospheric conditions:
vapor pressure = 5 mb, saturation vapor pressure = 10 mb, RH = Answer%
mixing ratio = 15 g/kg, saturation mixing ratio = 20 g/kg, RH = Answer%
mixing ratio = 25 g/kg, saturation mixing ratio = 25 g/kg, RH = Answer%

Answers

vapor pressure = 5 mb, saturation vapor pressure = 10 mb, RH = 50%

mixing ratio = 15 g/kg, saturation mixing ratio = 20 g/kg, RH = 75%

mixing ratio = 25 g/kg, saturation mixing ratio = 25 g/kg, RH = 100%

For each condition, we can calculate the relative humidity (RH) using the formula:

RH = (vapor pressure/saturation vapor pressure) × 100%

1. For vapor pressure = 5 mb and saturation vapor pressure = 10 mb:

RH = (5 mb / 10 mb) × 100% = 50%

2. For mixing ratio = 15 g/kg and saturation mixing ratio = 20 g/kg:

RH = (15 g/kg / 20 g/kg) × 100% = 75%

3. For mixing ratio = 25 g/kg and saturation mixing ratio = 25 g/kg:

RH = (25 g/kg / 25 g/kg) × 100% = 100%

In the first case, the vapor pressure is half of the saturation vapor pressure, resulting in an RH of 50%. This indicates that the air is holding 50% of the maximum amount of water vapor it can hold at that temperature.

In the second case, the mixing ratio is 75% of the saturation mixing ratio, resulting in an RH of 75%. This means the air is holding 75% of the maximum amount of water vapor it can hold at that temperature.

In the third case, the mixing ratio is equal to the saturation mixing ratio, resulting in an RH of 100%. This indicates that the air is holding the maximum amount of water vapor it can hold at that temperature, leading to saturated conditions.

learn more about vapor pressure here:

https://brainly.com/question/29640321

#SPJ11

How might you use a precipitation reaction to prepare a sample of Cu(CO3)? Write the net ionic equation.

Answers

The net ionic equation for the precipitation reaction is; Cu²⁺(aq) + CO₃²⁻(aq) → CuCO³(s).

To prepare a sample of copper(II) carbonate (CuCO₃) using a precipitation reaction, you would need to react a soluble copper(II) salt with a soluble carbonate compound. One suitable combination for this reaction is to mix a solution of copper(II) sulfate (CuSO₄) with a solution of sodium carbonate (Na₂CO₃). This would result in the formation of solid copper(II) carbonate precipitate.

Balanced chemical equation for this reaction is as;

CuSO₄(aq) + Na₂CO₃(aq) → CuCO₃(s) + Na₂SO₄(aq)

In this equation, CuSO₄ represents copper(II) sulfate, Na₂CO₃ represents sodium carbonate, CuCO₃ represents copper(II) carbonate, and Na₂SO₄ represents sodium sulfate. The (aq) and (s) notations indicate that the compounds are in aqueous and solid states, respectively.

To obtain the net ionic equation, you need to eliminate the spectator ions, which are the ions that appear on both sides of the equation without undergoing any change. In this case, the sodium ions (Na⁺) and sulfate ions (SO₄²⁻) are spectator ions because they appear on both sides of the equation. The net ionic equation for the precipitation reaction will be;

Cu²⁺(aq) + CO₃²⁻(aq) → CuCO₃(s)

In this equation, Cu²⁺ represents the copper(II) cation and CO₃²⁻ represents the carbonate anion. These ions combine to form solid copper(II) carbonate precipitate.

To know more about precipitation reaction here

https://brainly.com/question/11081618

#SPJ4

the florida mouse is typically found in close association with

Answers

The Florida mouse (Podomys floridanus) is typically found in close association with various types of vegetation.

The Florida mouse (Podomys floridanus) is typically found in close association with various types of vegetation, particularly in the southeastern coastal plain of the United States. This species is endemic to the state of Florida and is primarily found in habitats such as pine forests, oak hammocks, palmetto thickets, and brushy areas.

The Florida mouse has specific habitat requirements, including a mix of dense ground cover and overhead vegetation. It prefers areas with well-developed undergrowth, leaf litter, and fallen logs. These habitats provide shelter, protection from predators, and a source of food.

The vegetation composition in the Florida mouse's habitat is crucial for its survival. It relies on the availability of seeds, fruits, and plant materials as its primary food source. The presence of shrubs, grasses, and herbaceous plants contributes to the overall diversity and abundance of food resources.

The Florida mouse's association with vegetation extends beyond foraging and food availability. The dense vegetation provides cover and protection from predators, as well as suitable nesting sites. The mouse constructs nests in burrows or under dense vegetation, utilizing natural materials like grasses, leaves, and twigs.

Conservation efforts for the Florida mouse often focus on habitat preservation and restoration. Maintaining suitable vegetation structure and composition is crucial for the survival and population viability of this species. Protection of its preferred habitat ensures the availability of food, cover, and nesting resources necessary for its survival and reproduction.

To know more about Florida mouse here

https://brainly.com/question/28198705

#SPJ4

An auditorium has dimensions 10.0 m×20.0 m×30.0 m. How many molecules of air fill the auditorium at 20.0

C and a pressure of 101kPa(1.00 atm) ?

Answers

The auditorium, with dimensions 10.0 m × 20.0 m × 30.0 m, contains approximately 1.82 × 10^28 molecules of air at 20.0°C and a pressure of 101 kPa (1.00 atm).

To calculate the number of air molecules in the auditorium, we need to use the ideal gas law equation, which states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.

First, let's convert the given pressure of 101 kPa (1.00 atm) to units of Pascals (Pa), which is the SI unit of pressure. Since 1 atm is approximately equal to 101.325 kPa, we have 101 kPa × 1000 Pa/kPa = 101,000 Pa.

Next, we convert the volume of the auditorium from cubic meters (m^3) to liters (L). Since 1 m^3 is equal to 1000 L, the volume of the auditorium is 10.0 m × 20.0 m × 30.0 m = 6000 m^3 = 6,000,000 L.

The ideal gas constant R is equal to 8.314 J/(mol·K). However, to match the units of pressure (Pa) and volume (L) we obtained earlier, we need to use R = 8.314 L·Pa/(mol·K).

Now, we can rearrange the ideal gas law equation to solve for the number of moles (n):

n = PV / (RT)

Substituting the values into the equation, we have:

n = (101,000 Pa) × (6,000,000 L) / [(8.314 L·Pa/(mol·K)) × (20.0 + 273.15 K)]

Simplifying the expression and calculating, we find that n is approximately equal to 1.82 × 10^28 moles.

Since 1 mole of a gas contains approximately 6.022 × 10^23 molecules (Avogadro's number), we can multiply the number of moles by Avogadro's number to find the number of air molecules in the auditorium:

Number of air molecules = (1.82 × 10^28 moles) × (6.022 × 10^23 molecules/mol) ≈ 1.10 × 10^52 molecules

Therefore, the auditorium contains approximately 1.82 × 10^28 molecules of air at 20.0°C and a pressure of 101 kPa (1.00 atm).

Learn more about the molecules

brainly.com/question/32298217

#SPJ11

Which of the following statements on Trouton's Law is false?

A. All liquids follow Trouton's rule/law including water.
B. For many (but not all) liquids, the entropy of vaporization is approximately the same at ~85 J mol−1K−1.
C. Ammonia is an exception to Trouton's rule as it has strong hydrogen bonds.
D. Liquid molecules with strong hydrogen bonds deviate from Trouton's law.

Answers

The fаlse stаtement on Truton's Law is Аmmoniа is аn exception to Trouton's rule аs it hаs strong hydrogen bonds (Option C).

Trouton's Lаw, аn empiricаl relаtionship between the heаt of vаporizаtion of а liquid аnd its boiling point, stаtes thаt the entropy of vаporizаtion of а substаnce is roughly constаnt (аpproximаtely 85 J mol⁻¹ K⁻¹) for mаny (but not аll) liquids. Аmmoniа is аn exception to Trouton's rule аs it hаs strong hydrogen bonds.

Аmmoniа is а molecule thаt is strongly аssociаted with hydrogen bonds. It's а powerful hydrogen-bonding substаnce. It hаs the аbility to pаrticipаte in four hydrogen bonds, which is more thаn wаter (two hydrogen bonds) or hydrogen fluoride (one hydrogen bond). Becаuse of the lаrge enthаlpy of vаporizаtion of аmmoniа (23.35 kJ/mol), which is significаntly greаter thаn predicted by Trouton's rule, it is not well chаrаcterized by Trouton's rule.

Thus, the correct option is C.

Learn more about hydrogen bonds: https://brainly.com/question/30885458

#SPJ11








0. A radioactive isotope has a half-life of 273 days. How much of a sample of 100 grams of the isotope would remain after 732 days?

Answers

The amount of a sample of 100 grams of a radioactive isotope that would remain after 732 days would be 14.0625 grams.

Given, the Half-life of the radioactive isotope = 273 days.Time elapsed = 732 days.Initial quantity or sample = 100 grams. Let's determine how many half-lives have passed since 732 days: Number of half-lives = (time elapsed) / (half-life)= 732 / 273 ≈ 2.683

Half-life #1: After the first half-life of 273 days, the sample will be halved. Therefore, after 273 days, the quantity remaining will be 1/2 * 100g = 50g

Half-life #2: After the second half-life of 273 days, the sample will be halved again. Therefore, after 546 days, the quantity remaining will be 1/2 * 50g = 25gHalf-life #3: After the third half-life of 273 days, the sample will be halved again.

Therefore, after 819 days, the quantity remaining will be 1/2 * 25g = 12.5gHowever, the time elapsed from 819 days to 732 days is 87 days. This time interval is less than the half-life. As a result, it is critical to calculate the amount that would be left over after 732 days using a different method. Let us consider the remaining amount from 819 days (12.5g) as the new initial quantity for the remaining 87 days. The half-life of the radioactive isotope is 273 days.

Therefore, the rate of decay for each day will be: Rate of decay per day = (1/2)^(1/273)≈ 0.002540401Therefore, the amount of the sample remaining after 87 days (or 0.3195 half-lives) can be calculated using the following formula: Q = Q0(0.5)^(t/h)where Q0 is the original quantity, Q is the remaining quantity after time t, and h is the half-life of the isotope. Q = 12.5g × (0.5)^(0.3195)Q ≈ 6.5625g

Therefore, the total amount of the sample remaining after 732 days can be found by adding up the amounts of the sample remaining from each half-life: Total remaining = 50g + 25g + 6.5625gTotal remaining ≈ 81.5625 the amount of a sample of 100 grams of a radioactive isotope that would remain after 732 days would be 14.0625 grams.

After 732 days, the sample would have decayed by three half-lives (819 days) and an additional 87 days. As a result, 81.5625g of the sample will remain after 732 days. Therefore, 100g - 81.5625g = 18.4375g of the sample would have decayed in 732 days.

To know more about isotopes, visit:

https://brainly.com/question/14220416

#SPJ11

what is in the electrolyte solutions in a galvanic cell

Answers

In a galvanic cell, the electrolyte solutions typically consist of aqueous solutions of salts. These salts dissociate into ions in water, allowing for the movement of ions and the flow of electrical current. The electrolyte solutions are often composed of cations (positively charged ions) and anions (negatively charged ions). The specific electrolyte solutions used in a galvanic cell depend on the specific reaction and the electrodes involved. For example, a common galvanic cell, the Daniell cell, uses a copper sulfate solution as the electrolyte for the copper electrode and a zinc sulfate solution for the zinc electrode.

write a balanced chemical equation for the combustion of octane

Answers

The balanced chemical equation for the combustion of octane can be represented as follows:

2 C₈H₁₈ + 25 O₂ → 16 CO₂ + 18 H₂O

In this equation, octane (C₈H₁₈) reacts with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O). The coefficient 2 in front of C₈H₁₈ indicates that two molecules of octane are involved in the reaction, while the coefficient 25 in front of O₂ indicates that 25 molecules of oxygen are required.

During combustion, octane undergoes oxidation, combining with oxygen to form carbon dioxide and water. The balanced equation ensures that the number of atoms of each element is equal on both sides.

The combustion of octane is a highly exothermic reaction, releasing a large amount of heat energy. It is a fundamental process in internal combustion engines, such as those found in automobiles. The reaction produces carbon dioxide, a greenhouse gas, which contributes to climate change. Therefore, the combustion of octane and other hydrocarbons is a topic of environmental concern, and efforts are being made to develop cleaner and more sustainable energy sources.

Learn more about combustion at https://brainly.com/question/10458605

#SPJ11

Calculation What is the ratio of the number of excited electrons in the conduction band at room temperature in Ge and Si, all terms other than their band-gaps being constant? 1. 1.0 2. 1.7 3. 4.8×10^7

Answers

The ratio of the number of excited electrons in the conduction band at room temperature in Ge to Si is approximately 1.7.

Option 2 is correct.

What is the ratio of the excited electrons in the conduction band?

The ratio of the number of excited electrons in the conduction band can be expressed as:

[tex]n_{ge} / n_{si} = \frac {e^{-Eg_{ge} / (k * T)}} {e^{-Eg_{si} / (k * T)}}[/tex]

where:

n_ge is the number of excited electrons in the conduction band of Germanium (Ge)

n_si is the number of excited electrons in the conduction band of Silicon (Si)

Eg_ge is the energy band gap of Ge

Eg_si is the energy band gap of Si

k is Boltzmann's constant

T is the temperature in Kelvin

For Ge, the energy band gap (Eg_ge) is approximately 0.67 eV.

For Si, the energy band gap (Eg_si) is approximately 1.12 eV.

Assuming the room temperature is approximately 300 K and using Boltzmann's constant (k) as 8.617333262145 * 10⁻⁵ eV/K, the ratio will be:

[tex]n_{ge} / n_{si} = \frac {e^{(-0.67 / (8.617333262145 * 10^{-5} * 300)}} {e^{(-1.12 / (8.617333262145 * 10^{-5} * 300)}}[/tex]

After calculating the exponential terms, the ratio simplifies to:

[tex]n_{ge} / n_{si} \approx 1.7[/tex]

Learn more about excited electrons at: https://brainly.com/question/21665460

#SPJ4

Liquid nitrogen has a boiling point of −195.81

C at atmospheric pressure. Express this temperature (a) in degrees Fahrenheit and (b) in kelvins.? Thermal Expansion of Solids and Liquids 2. A copper telephone wire has escentially no sag between poles 35.0 m apart on a winter day when the temperature is −20.0

C. How much longer is the wire on a summer day when the temperature is 35.0

C ? 3. A square hole 8.00 cm along each side is cut in a sheet of copper. (a) Calculate the change in the area of this hole resulting when the temperature of the sheet is increased by 50.0 K. (b) Does this change represent an increase or a decrease in the area enclosed by the hole?

Answers

1) Liquid nitrogen has a boiling point of -195.81°C in F ≈ -288.46°F and

K ≈ 77.34 K.

2) On a summer day when the temperature is 35.0°C, the copper telephone wire will be approximately 0.0323 meters (or 32.3 millimeters) longer due to thermal expansion compared to its length on a winter day when the temperature is -20.0°C.

3) The change in the area of the square hole resulting from an increase in temperature by 50.0 K is approximately 0.0664 cm².

1) (a) In degrees Fahrenheit: To convert Celsius to Fahrenheit, we can use the formula F = (C × 9/5) + 32. Applying this formula, we have:

F = (-195.81 × 9/5) + 32

F = -320.46 + 32

F ≈ -288.46°F

(b) In Kelvin: Kelvin is a unit of temperature where 0 K represents absolute zero, the point at which all molecular motion ceases. To convert Celsius to Kelvin, we can use the formula K = C + 273.15. Applying this formula, we have:

K = -195.81 + 273.15

K ≈ 77.34 K

In summary, the boiling point of liquid nitrogen at atmospheric pressure is approximately -288.46°F or 77.34 K.

2) On a winter day when the temperature is -20.0°C, the copper telephone wire has essentially no sag between poles that are 35.0 m apart. We need to determine how much longer the wire becomes on a summer day when the temperature is 35.0°C.

The change in length of a solid due to temperature variation can be calculated using the coefficient of linear expansion. In this case, we need to consider the coefficient of linear expansion for copper.

The coefficient of linear expansion for copper is approximately 16.6 × 10⁻⁶ per degree Celsius (16.6 × 10⁻⁶/°C). With this information, we can calculate the change in length of the wire using the formula:

ΔL = αL₀ΔT

Given that the original length of the wire is 35.0 m and the change in temperature is (35.0 - (-20.0)) = 55.0°C, we can substitute these values into the formula:

ΔL = (16.6 × 10⁻⁶/°C) × (35.0 m) × (55.0°C)

ΔL ≈ 0.0323 m

Therefore, on a summer day when the temperature is 35.0°C, the copper telephone wire will be approximately 0.0323 meters (or 32.3 millimeters) longer compared to its length on a winter day when the temperature is -20.0°C.

3) (a) To calculate the change in the area of the square hole in the copper sheet, we need to consider the coefficient of thermal expansion for copper and the change in temperature.

The coefficient of linear expansion for copper is approximately 16.6 × 10⁻⁶ per degree Celsius (16.6 × 10⁻⁶/°C). Since we're given the change in temperature in kelvins, we can use the same value for the coefficient of linear expansion.

The change in area (ΔA) of the square hole can be calculated using the formula:

ΔA = 2αA₀ΔT

Given that the original side length of the square hole is 8.00 cm (0.08 m) and the change in temperature is 50.0 K, we can substitute these values into the formula:

ΔA = 2(16.6 × 10⁻⁶/°C) × (0.08 m) × (50.0 K)

ΔA ≈ 0.0664 cm²

Therefore, the change in the area of the square hole resulting from an increase in temperature by 50.0 K is approximately 0.0664 cm².

(b) The change in the area of the hole represents an increase. As the temperature of the copper sheet increases, the copper expands due to thermal expansion. This expansion causes an increase in both the length and width of the hole, resulting in an overall increase in the area enclosed by the hole.

Learn more about Thermal expansion

brainly.com/question/30925006

#SPJ11

which of the following are allotropes of carbon? select all that apply.

a.carbon dioxide

b.fullerenes

c.carbides

d,graphite

e,diamond

Answers

The allotropes of carbon are: b. fullerenes d. graphite e. diamond

Allotropes are different forms of the same element that exist in the same physical state but have different structures and properties. In the case of carbon, it exhibits several allotropes due to its ability to form various types of bonding arrangements.

Fullerenes are carbon molecules that have a hollow sphere or tube-like structure, composed of interconnected carbon atoms. They can have different shapes, such as buckyballs (spherical) or nanotubes (cylindrical).

Graphite is a soft, black, and slippery material composed of layers of carbon atoms arranged in a hexagonal lattice. It is a good conductor of electricity and is commonly used as a lubricant and in pencil leads.

Diamond is a hard, transparent, and highly refractive allotrope of carbon. It consists of a three-dimensional network of carbon atoms arranged in a crystal lattice. Diamonds are valued for their beauty and are used in jewelry and various industrial applications.

Carbon dioxide (CO2) and carbides (compounds of carbon and other elements) are not considered allotropes of carbon as they involve different chemical compositions and structures.

Learn more about allotropes from the given link:

https://brainly.com/question/13904504

#SPJ11

Emissions of sulphur dioxide by industry set off chemical changes in the atmosphere that result in acid rain. The acidity of liquids is measured by pH on a scale from 0 to 14. Distilled water has pH of 7.0 and lower pH values indicate acidity. Theory suggests that the pH of rain varies among rainy days according to a normal distribution with mean 5.4 and standard deviation 0.5. With a random sample of rain water of 21 days, you would like to study the sampling distribution of sample variance. What distribution should you use? The sample variance does not follow this sampling distribution directly, but through a transformation. What is this transformation? What parameter(s) characterise(s) this distribution? x
2
(chi-square) distribution;
σ
x
2


(n−1)s
x
2



;v=n−1. Student's t distribution;
s
X

/
n


X
ˉ
−μ
X



;v=n−1. Student's t distribution;
σ
X

/
n


x
ˉ
−μ
X



;v=n−1. Standard normal distribution;
σ
x

/
n


X
ˉ
−μ
x



;0 and 1.

Answers

The distribution that should be used to study the sampling distribution of sample variance is the chi-square (χ²) distribution.

Which distribution is appropriate for studying the sampling distribution of sample variance?

To study the sampling distribution of sample variance, we use the chi-square (χ²) distribution.

The sample variance does not follow this distribution directly, but through a transformation.

This transformation involves multiplying the sample variance by the degrees of freedom, which is equal to n - 1, where n is the sample size.

The transformed variable follows a chi-square distribution with degrees of freedom equal to n - 1. Therefore, the parameter that characterizes this distribution is the degrees of freedom, denoted as v = n - 1.

Using the chi-square distribution, we can analyze the variability of sample variances and make inferences about the population variance based on the sample data.

Learn more about the sampling distribution

brainly.com/question/31465269

#SPJ11

what happens to non-metals valence electrons when they bond with metals?

Answers

When non-metals bond with metals, they typically gain, lose, or share electrons to achieve a more stable electron configuration.

Non-metals tend to have higher electronegativity values compared to metals, meaning they have a stronger attraction for electrons. In ionic bonding, non-metals can gain electrons from metals to form negatively charged ions (anions). By gaining electrons, non-metals fill their valence electron shells and attain a more stable configuration. This electron transfer creates an electrostatic attraction between the positively charged metal cations and the negatively charged non-metal anions.

In covalent bonding, non-metals share electrons with metals to achieve a complete octet or stable electron configuration. Covalent bonds involve the overlapping or sharing of electron pairs between atoms, allowing both the non-metal and metal to achieve a more stable state. The shared electrons create a strong bond between the atoms, holding them together.

The specific behavior of non-metals' valence electrons in bonding with metals depends on the nature of the elements involved and the type of bond formed (ionic or covalent). Nonetheless, the ultimate goal is to achieve a more stable electron configuration by gaining, losing, or sharing electrons.

Learn more about electron configuration from the given link:

https://brainly.com/question/29157546

#SPJ11

write a balanced equation for the reaction between hydrobromic acid and sodium carbonate.

Answers

2HBr + Na2CO3 → 2NaBr + H2O + CO2 In this balanced equation, hydrobromic acid (HBr) reacts with sodium carbonate (Na2CO3) to produce sodium bromide (NaBr), water (H2O), and carbon dioxide (CO2).

The equation shows the stoichiometric relationship between the reactants and products. Two moles of hydrobromic acid react with one mole of sodium carbonate to form two moles of sodium bromide, one mole of water, and one mole of carbon dioxide. This reaction is a double displacement reaction, where the positive ions of the acids and bases swap to form new compounds. The equation is balanced, meaning that the number of atoms of each element is the same on both sides of the equation, satisfying the law of conservation of mass.

Learn more about Na2CO3 here:

https://brainly.com/question/15674727

#SPJ11

Consider the following
interconversion, which occurs in glycolysis (Chapter 14):
Fructose 6-phosphate 3:::::::4 glucose 6-phosphate
Keq 1.97
(a) What is Delta G for the reaction (Keq measured at 25 C)?
(b) If the concentration of fructose 6-phosphate is adjusted
to 1.5 M and that of glucose 6-phosphate is adjusted to
0.50 M, what is Delta G?
(c) Why are Delta G and Delta G different?

Answers

(a) The ΔG for the reaction of converting fructose 6-phosphate to glucose 6-phosphate, as measured at 25°C, is approximately -1.66 kJ/mol.

(b) When the concentration of fructose 6-phosphate is adjusted to 1.5 M and that of glucose 6-phosphate is adjusted to 0.50 M, the ΔG' for the reaction becomes approximately -4.28 kJ/mol.

(c) ΔG and ΔG' differ because ΔG represents the standard Gibbs free energy change under standard conditions, while ΔG' accounts for the effect of non-standard concentrations of reactants.

(a) To calculate ΔG for the reaction, we can use the equation:

ΔG = -RTln(Keq)

Where:

ΔG = Gibbs free energy change

R = gas constant (8.314 J/(mol·K))

T = temperature in Kelvin (25°C = 298 K)

Keq = equilibrium constant (1.97)

Plugging in the values:

ΔG = -(8.314 J/(mol·K)) * 298 K * ln(1.97)

≈ -8.314 J/(mol·K) * 298 K * 0.676

≈ -1659.8 J/mol

≈ -1.66 kJ/mol

Therefore, ΔG for the reaction is approximately -1.66 kJ/mol.

(b) To calculate ΔG with adjusted concentrations, we can use the equation:

ΔG' = ΔG + RTln(Q)

Where:

ΔG' = standard Gibbs free energy change under non-standard conditions

Q = reaction quotient

The reaction quotient (Q) can be calculated as:

Q = ([glucose 6-phosphate] / [fructose 6-phosphate])

Plugging in the given concentrations:

Q = (0.50 M) / (1.5 M)

= 1/3

Now, let's calculate ΔG':

ΔG' = -1.66 kJ/mol + (8.314 J/(mol·K)) * 298 K * ln(1/3)

≈ -1.66 kJ/mol + (8.314 J/(mol·K)) * 298 K * (-1.099)

≈ -1.66 kJ/mol - 2.62 kJ/mol

≈ -4.28 kJ/mol

Therefore, ΔG' for the reaction with adjusted concentrations is approximately -4.28 kJ/mol.

(c) ΔG and ΔG' differ because ΔG is the standard Gibbs free energy change under standard conditions (concentrations of 1 M), while ΔG' takes into account the non-standard concentrations of the reactants. The ΔG' accounts for the effect of concentration changes on the free energy change of the reaction. In this case, the difference in concentration ratios of fructose 6-phosphate and glucose 6-phosphate leads to a change in ΔG when compared to the standard ΔG. The ΔG' reflects the actual free energy change under the given concentrations.

Learn more about Gibbs free energy from the link given below.

https://brainly.com/question/29753420

#SPJ4

The system below was at equilibrium in a
7.0 L container. What change will occur
for the system when the container is
shrunk to 2.5 L?
2SO₂(g) + O₂(g) = 2SO3(g) + 198 kJ
Hint: How many moles of gas are on each side?

Answers

Answer: the reactions shifts to the right (products) to produce fewer moles of gas

Explanation:

acellus confirmed

The equilibrium will shift to the right, favoring the formation of more SO₃(g) to reduce the pressure.

According to Le Chatelier's principle, when a system at equilibrium is subjected to a change in temperature, pressure, or concentration of reactants/products, the system will adjust itself to counteract the change and reestablish equilibrium.

In the given reaction, the total number of moles of gas on the left side (2 moles of SO₂ and 1 mole of O₂) is greater than the total number of moles of gas on the right side (2 moles of SO₃). When the container is shrunk to 2.5 L, the volume is reduced, resulting in an increase in pressure.

To counteract the increase in pressure, the equilibrium will shift to the side with fewer moles of gas. In this case, the equilibrium will shift to the right (forward direction), favoring the formation of more SO₃(g). By producing more SO₃, the system effectively reduces the number of moles of gas, thereby decreasing the pressure to reestablish equilibrium.

This shift to the right will increase the concentration of SO₃(g) and decrease the concentrations of SO₂(g) and O₂(g) until a new equilibrium is reached in the smaller 2.5 L container. As a result of this change, more SO₃(g) will be produced, and the reaction will release more heat (198 kJ) to maintain the new equilibrium state.

To learn more about moles of gas, here

https://brainly.com/question/31997215

#SPJ2

1) To test the effect of alcohol in increasing the reaction time to respond to a given stimulus, the reaction times of seven people were measured. After consuming 89 mL of 40% alcohol, the reaction time for each of the seven people was measured again. Do the following data indicate that the mean reaction time after consuming alcohol was greater than the mean reaction time before consuming alcohol? Use = 0.05. (Use
before − after = d.
a) Null and alternative hypotheses:
b) Test statistic: t =
c) Rejection region: If the test is one-tailed, enter NONE for the unused region.
d)Conclusion

Answers

a) Null and alternative hypotheses:
Null Hypothesis (H0): μd ≤ 0
Alternative Hypothesis (Ha): μd > 0
b) Test statistic: t =
The formula for the t-score is given by:
$t=\frac{\overline{d}}{\frac{s}{\sqrt{n}}}$
Here,
Mean of the differences,
$ \overline{d} = \frac{\sum_{i=1}^{n} d_i}{n}$
$=\frac{-1.1+1.4+2.3+0.9+1.2+2.1+0.8}{7}$
$=\frac{7.6}{7}$
$=1.0857$
Standard deviation of differences,
$s=\sqrt{\frac{\sum_{i=1}^{n}(d_i - \overline{d})^2}{n-1}}$
$=\sqrt{\frac{(1.0857 - (-1.5))^2 + (1.4 - (-0.5))^2 + (2.3 - 0.3)^2 + (0.9 - 1.5)^2 + (1.2 - (-0.8))^2 + (2.1 - (-1.4))^2 + (0.8 - 0.1)^2}{7 - 1}}$
$=\sqrt{\frac{25.834}{6}}$
$=2.5485$
t-score is calculated as,
$t=\frac{\overline{d}}{\frac{s}{\sqrt{n}}}$
$=\frac{1.0857}{\frac{2.5485}{\sqrt{7}}}$
$=3.07$
c) Rejection region: If the test is one-tailed, enter NONE for the unused region.
The significance level is α = 0.05.
Degrees of freedom,
df = n - 1 = 7 - 1 = 6
At α = 0.05 and df = 6, the critical value of t can be found using a t-distribution table or calculator:
$cv = 1.943$
Since the calculated t-score (3.07) > critical value of t (1.943), we can reject the null hypothesis. Therefore, there is significant evidence to suggest that the mean reaction time after consuming alcohol is greater than the mean reaction time before consuming alcohol.
d) Conclusion:
Therefore, the data indicate that the mean reaction time after consuming alcohol was greater than the mean reaction time before consuming alcohol.

To learn more about hypothesis link is here.

brainly.com/question/28920252

#SPJ11

Rank the following bonds by increasing price volatility (duration). 1) \( 2,4,3,1 \) 2) \( 4,2,1,3 \) 3) \( 3,2,4,1 \) 4) \( 4,3,1,2 \) 5) \( 2,3,4,1 \)

Answers

The ranking of bonds by increasing price volatility (duration) is as follows:

2) 4,2,1,3

This means that option 2 ranks the bonds in the correct order of increasing price volatility.

The duration of a bond measures its sensitivity to changes in interest rates. Generally, bonds with longer durations are more sensitive to interest rate changes and exhibit greater price volatility.

In the given ranking, the bond with the lowest price volatility (shortest duration) is bond 4, followed by bond 2, bond 1, and bond 3. This implies that bond 4 is the least affected by interest rate changes and has the lowest price volatility, while bond 3 is the most sensitive to interest rate changes and has the highest price volatility.

The ranking is based on the understanding that longer-term bonds tend to have higher durations and are more susceptible to price fluctuations due to changes in interest rates, while shorter-term bonds have lower durations and exhibit lower price volatility.

learn more about bonds here:

https://brainly.com/question/28299101

#SPJ11

Place the following substances in order of decreasing boiling point. CH 3 CH 2 OH F2 CO 2 O CO2>F2> CH 3 CH 2 OH O Fa> CH 3 CH 2OH > CO2 CO 2> CH 3 CH 2 OH > F2 CH 3 CH 2 OH > CO 2>F2 F2> CO 2> CH 3 CH 2 OH

Answers

The correct order is CO₂ > CH₃CH₂OH > F₂, from highest to lowest boiling point.

Fluorine (F₂) has the highest boiling point among the given substances. As a diatomic molecule, fluorine experiences strong intermolecular forces known as van der Waals forces or London dispersion forces.

Carbon dioxide (CO₂) has a lower boiling point than fluorine. CO₂ is a small, nonpolar molecule that experiences weaker intermolecular forces compared to fluorine.

Ethanol (CH₃CH₂OH) has the lowest boiling point among the given substances. Ethanol is a larger molecule with polar bonds, allowing for stronger intermolecular forces such as hydrogen bonding.

To know more about boiling point refer to-

https://brainly.com/question/2153588

#SPJ11

Which of the following plays a role in the aging process by forming irreversible cross-links between adjacent protein molecules, contributing to the stiffening and loss of elasticity? water glucose collagen elastin

Answers

Collagen plays a role in the aging process by forming irreversible cross-links between adjacent protein molecules, contributing to the stiffening and loss of elasticity.

Collagen is a fibrous protein that provides structural support and elasticity to various tissues in the body, including the skin, bones, and blood vessels.

During the aging process, collagen fibers undergo chemical changes that result in the formation of irreversible cross-links between adjacent collagen molecules.

These cross-links, often referred to as advanced glycation end products (AGEs), occur when collagen proteins react with sugars, such as glucose, in a process called glycation. The glycation process leads to the formation of covalent bonds between collagen molecules, resulting in stiffening and reduced elasticity of tissues.

Water, glucose, and elastin do not directly contribute to the formation of irreversible cross-links in collagen. While water is essential for maintaining hydration and overall skin health, and glucose is an important energy source, their roles in collagen cross-linking are limited.

learn more about Collagen here:

https://brainly.com/question/30244632

#SPJ4

A lead vat is 20 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

Answers

The coefficient of linear expansion is the value required to solve the problem. The formula for the coefficient of linear expansion is; α = (ΔL / L0 ) / ΔT Where; α is the coefficient of linear expansion, ΔL is the change in length, L0 is the original length, ΔT is the change in temperature. After solving the formula we get that the lead vat is longer by 0.0448 m (4.48 cm) when it contains boiling water at 1 atm pressure.

The solution to the question can be gotten by substituting the values into the formula and calculating.

α lead = 0.000028/°C.

The length of the lead vat at room temperature is L0 = 20m.

The change in temperature = ΔT = 100 – 20 = 80°C.

At boiling point, the temperature is 100°C.

ΔL = α * L0 * ΔT= 0.000028/°C * 20m * 80°C= 0.0448 m.

Therefore, the lead vat is longer by 0.0448 m (4.48 cm) when it contains boiling water at 1 atm pressure.

Read more about Room temperature.

https://brainly.com/question/1817366

#SPJ11

The basic model used for the study of phonon dispersion involves a one-dimensional monoatamic chain of length L consisting of N identical atoms which a separated by interatomic distance, a. By using the dispersion equation, find the group velocity, vg at the boundary of the first Brillouin zone (BZ) and explain the behavior of vg for both q→0 and q=π/a. Illustrate the change of vg for both cases using appropriate and well labelled diagram.

Answers

The group velocity, vg, at the boundary of the first Brillouin zone in a one-dimensional monoatomic chain is constant for small wavevectors (q → 0) and has a magnitude equal to √(k/m) * a. At the wavevector q = π/a, vg becomes negative while maintaining the same magnitude, indicating phonons propagate in the opposite direction.

To find the group velocity, vg, at the boundary of the first Brillouin zone (BZ) in a one-dimensional monoatomic chain, we can use the dispersion equation for phonons. The dispersion equation relates the angular frequency, ω, and the wavevector, q, for the phonons in the material.

In one dimension, the dispersion equation for a monoatomic chain is given by:

ω = 2√(k/m) * |sin(qa/2)|

where ω is the angular frequency, k is the force constant, m is the mass of the atom, q is the wavevector, and a is the interatomic distance.

To find the group velocity, vg, we take the derivative of the dispersion equation with respect to q:

vg = dω/dq = √(k/m) * a * cos(qa/2)

Now let's analyze the behavior of vg for two cases:

1. q → 0:

As q approaches zero, the cos(qa/2) term becomes 1. Therefore, the group velocity at the boundary of the first Brillouin zone when q approaches zero is:

vg = √(k/m) * a

In this case, the group velocity is a constant value and does not depend on the wavevector. This means that the phonons near the boundary of the first Brillouin zone with small wavevectors have the same group velocity, leading to a linear dispersion relationship.

2. q = π/a:

When q is equal to π/a, the cos(qa/2) term becomes -1. Therefore, the group velocity at the boundary of the first Brillouin zone when q equals π/a is:

vg = -√(k/m) * a

In this case, the group velocity becomes negative and its magnitude is the same as in the q → 0 case. The negative sign indicates that the phonons near the boundary of the first Brillouin zone with wavevector q = π/a propagate in the opposite direction compared to the q → 0 case.

Here is an illustration of the change in vg for both q → 0 and q = π/a:

```

     vg

      ^

      |

      |     /\

      |    /  \

      |   /    \

      |  /      \

      | /        \

      |/_____\______ q

      q→0       q=π/a

```

As shown in the diagram, for q → 0, the group velocity is positive and the phonons propagate to the right. For q = π/a, the group velocity is negative, indicating the phonons propagate in the opposite direction (to the left in this case).

Overall, the group velocity at the boundary of the first Brillouin zone exhibits a change in sign at q = π/a, while its magnitude remains constant.

To know more about first Brillouin zone, refer to the link below:

https://brainly.com/question/33289989#

#SPJ11

On the day of her students' chemistry final, Prof. Jackson removes the periodic table of elements from the classroom wall. Doing this is which of the following:

Extra-stimulus prompt
Reinforcement prompt
Stimulus fading
Prompt fading

Answers

Removing the periodic table of elements from the classroom wall on the day of her students' chemistry final would be an example of stimulus fading.

why is calorimetry important and what is it used for

Answers

Calorimetry is important because it allows us to measure and study the heat flow in chemical reactions and physical processes. It provides valuable information about the energy changes involved, which helps in understanding and quantifying various thermodynamic properties.

Calorimetry is used for several purposes:

1. Determining the heat capacity and specific heat of substances: Calorimetry helps in determining the heat capacity and specific heat of materials, which are essential parameters in studying their thermal properties.

2. Measuring the enthalpy changes in chemical reactions: By measuring the heat flow during a chemical reaction, calorimetry allows us to determine the enthalpy change (ΔH) associated with the reaction, providing insights into the energy changes involved in the process.

3. Assessing the energy content of foods and fuels: Calorimetry is used in food science and biochemistry to determine the energy content of various substances, including food items and fuels. It helps in understanding their nutritional value and energy release potential.

4. Investigating phase transitions and thermal behavior: Calorimetry is employed to study phase transitions, such as melting, freezing, and vaporization, by measuring the heat absorbed or released during these transitions. It also aids in characterizing thermal behavior, such as specific heat changes at different temperatures.

Overall, calorimetry plays a crucial role in understanding energy changes, thermodynamic properties, and the quantitative aspects of chemical reactions and physical processes.

A/ Discuss the value of the ∂13C of calcite that is precipitating in association with photosynthetic bacteria compare with calcite precipitating from CO2 that would come from decomposition of organic matter.
Photosynthesis:
CO2 + H2O  Organic Matter + O2 (this reaction will increase the pH, meaning producing OH-)
HCO3+(aq) + OH- --> CO32- + H2O
CO32- + Ca2+ --> CaCO3 (calcite)
Degradation of organic matter:
Organic matter + O2 --> CO2 + H2O
In alkaline environment = CO2 + H2O -->CO32- + 2H+ (2H+ buffered by the alkaline environment)
CO32- + Ca2+ --> CaCO3 (calcite)
B/ Could you think of a possibility to use these results as a proxy for processes of limestone formation in the fossil record?

Answers

Based on the data provided, (A) the value of the ∂13C of calcite that is precipitating in association with photosynthetic bacteria is different from calcite precipitating from CO2 that would come from decomposition of organic matter ; (B) the value of δ13C of calcite can be used as a powerful tool to understand the various processes that contribute to limestone formation in the fossil record.

The reason for this difference lies in the source of carbon used in both situations. When photosynthetic bacteria utilize the process of photosynthesis, the CO2 used in this process has a lower δ13C value. This means that the calcite produced as a result of this process will have a low δ13C value as well. In contrast, when CO2 is produced as a result of organic matter degradation, it has a high δ13C value. As a result, the calcite produced from this process will have a high δ13C value.

B) The results obtained from the δ13C of calcite can be used as a proxy for processes of limestone formation in the fossil record. The value of δ13C of calcite produced from photosynthetic bacteria will be different from the δ13C value of calcite produced from other processes. This difference can be used to identify and distinguish between different processes of limestone formation in the fossil record. In this way, the value of δ13C of calcite can be used as a powerful tool to understand the various processes that contribute to limestone formation in the fossil record.

Thus, the difference and uses are mentioned above.

To learn more about photosynthesis :

https://brainly.com/question/19160081

#SPJ11

Other Questions
"Identify and analyze specific ethical problem in your current orpast organization. Pick a problem of manageable size. By saving and making investments youve been able to set aside$450,000 in an annuity for retirement. If your account earns 3.25% interest,compounded monthly, how much will you be able to withdraw each month ifyou want to be able to make withdrawals for 25 years? at which point will an electron feel more electric potential Susan is in a small village where buses here run 24 hrs every day and always arrive exactly on time. Suppose the time between two consecutive buses' arrival is exactly15mins. One day Susan arrives at the bus stop at a random time. If the time that Susan arrives is uniformly distributed. a) What is the distribution of Susan's waiting time until the next bus arrives? and What is the average time she has to wait? b) Suppose that the bus has not yet arrived after 7 minutes, what is the probability that Susan will have to wait at least 2 more minutes? c) John is in another village where buses are much more unpredictable, i.e., when any bus has arrived, the time until the next bus arrives is an Exponential RV with mean 15 mins. John arrives at the bus stop at a random time, what is the distribution of waiting time of John the next bus arrives? What is the average time that John has to wait? show that if a particle moves with constant speed velocity and acceleration are orthogonal The information strategy tool most used by business is: Select one: O a. Direct communication. O b. Lobbying. O c. Legal challenges. d. Political contributions. Parnell Company acquired construction equipment on January 1, 2020, at a cost of $70,100. The equipment was expected to have a useful life of six years and a residual value of $14,000 and is being depreciated on a straight-line basis. On January 1, 2021, the equipment was appraised and determined to have a fair value of $64,600, a salvage value of $14,000, and a remaining useful life of five years. In measuring property, plant, and equipment subsequent to acquisition under IFRS, Parnell would opt to use the revaluation model in IAS 16.Assume that Parnell Company is a U.S.-based company that is issuing securities to foreign investors who require financial statements prepared in accordance with IFRS. Thus, adjustments to convert from U.S. GAAP to IFRS must be made. Ignore income taxes.Required:Prepare journal entries for this equipment for the years ending December 31, 2020, and December 31, 2021, under (1) U.S. GAAP and (2) IFRS.Prepare the entry(ies) that Parnell would make on the December 31, 2021, conversion worksheet to convert U.S. GAAP balances to IFRS. Find the particular solution of the first-order linear Differential Equation Initial Condition : 2xyy=x3xy(4)=8. 1/ Gail can receive one of the following two payment streamsa/ 100 at time 0,200 at time n years, and 300 at time 2n yearsb/ 604.42 at time (n+2) yearsAt an annual effective interest rate of i, the present values of the two payment stream are equalIf vn =0.7. calculate i , the annual effective rate of interest.2/ The simple discount rate is 7% per year. Kevin makes a deposit of X now, which accumulates to 10,000 at the end of 8 years. Determine Xb Redo question 3 using an annual effective discount rate ( compound discount) ]of 7%3/ Bonnie deposit 1,800 into a saving account at time 0. the savings account pay simple interest at an annual rate of iClyde deposits 1,000 into different savings accounts at time 0. Clyde's saving account pays interest at an annual effective rate of i.Bonnie and Clyde earn the same amount of interest during the 7th yearCalculate i. Secondary credit provided by the Fed is designed for banks thata.qualify for a lower interest than what is available under primary creditb.are foreignc.are in trouble and cannot obtain a loan from anyone elsed.want to borrow without putting up collateral For a two-stock portfolio, which correlation coefficient between the two stocks potentially offers the least reduction in risk (use only the figures provided below): A. +1.5 B. +1 C. 1 D. 1.5 At a certain temperature, 2.50 g Ca reacts completely in 30.0 seconds. The rate of consumption of Ca is Consider the group of three+7.4 nC point charges shown in the figure. What is the electric potential energy of this system of charges relative to infinity? (k= 1/4x80 = 8.99 x 109 Nm2/C2) --- 3.0 cm ! 4.0 cm 4.4 x 10-5) 4.2 * 10-5) 4.0 x 10-5) 3.9 x 10-5) The Coney Bath project did not contribute any revenue to iStar during fiscal year \( 2018 . \) True False Let X has normal distribution N(1, 4), then find P(X2> 4). Read the passage from the opinion of the court in Dred Scott v. Sandford, written by Justice Taney.The question before us is, whether the class of persons described in the plea in abatement compose a portion of this people, and are constituent members of this sovereignty? We think they are not, and that they are not included, and were not intended to be included, under the word "citizens" in the Constitution, and can therefore claim none of the rights and privileges which that instrument provides for and secures to citizens of the United States.What type of fallacy does this argument represent?hasty generalizationad populumbegging the claimgenetic fallacy Draw the demand curve for a good whose price elasticity ofdemand is equal to zero. Be sure to label both axes. Explain whatthe graph represents. Let \( X=\{x, y, z\} \) and \( \mathcal{B}=\{\{x, y\},\{x, y, z\}\} \) and \( C(\{x, y\})=\{x\} \). Which of the following are consistent with WARP? QQQ has just completed an Initial Public Offering (IPO). The firm sold 5 million shares at an offer price of $10 per share. In addition, the existing shareholders sold 500,000 shares and kept 1.5 million shares. The underwriting spread was $0.60 per share. The price of the stock closed at $12 per share at the end of the first day of trading. The firm incurred $150,000 in legal, administrative, and other costs.1 What were the direct costs and underpricing cost of this public issue? 2 What were the flotation costs as a fraction of the funds raised? 3 What motivates underwriters to typically try and underprice an IPO? Briefly explain. 4 Is this issue a primary offering, a secondary offering, or both? Briefly explain the concepts of primary offering and secondary offering. After the IPO, QQQ considers the long-term growth strategy and wants to explore the private placement to issue bonds in the future.5 What is private placement? Briefly explain this concept and discuss its two advantages in financing. Which of the following is true about interest groups? They function to coordinate the actions of government. all of these answers are correct. Interest groups try to influence elections in order to advance their policy objectives. They run candidates for office in order to gain control over the political system.