How are air temperature and humidity related? 1 colder air can hold more water vapor than warmer air. 2 warmer air and colder air can hold the same amount of water vapor. 3 warmer air can move faster than colder air. 4 warmer air can hold more water vapor than colder air.

The hybridization states of the carbon atoms involved in the conversion of trans to cis retinal is sp2.

What is Hybridization?

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Electron configurations for all the group 18 noble gases have eight electrons in their valence shell in common.

Noble gases are the gases that contain Eight electrons in their valence shells and are placed in Group 18 of the periodic table. The octet of Noble gases is complete. They are inert in nature since they have complete valence shells. They are not much abundant in nature due to their inert behaviour.

They are stable and realtively unreactive as compared to other members of the peiodic table.

Some other factors that remain common for noble gases:

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The monomers that react together to form polyurethane polymer are diisocyanate and diol.

Polyurethane polymer is made up of monomers diisocyanate and diol. It is mostly used in home furnishing in flexible form. The structures of monomers are as follows:

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Taking into account the reaction stoichiometry, 2.8 moles of NaF are formed when 3.0 mol Na reacts with 1.4 mol F₂.

In first place, the balanced reaction is:

2 Na + F₂  → 2 NaF

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction. When the limiting reagent is finished, the chemical reaction will stop.

To determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 2 moles of Na reacts with 1 mole of F₂, 3 moles of Na reacts with how many moles of F₂?

[tex]amount of moles of F_{2} =\frac{3 moles of Nax 1 moles of F_{2}}{2 moles of Na}[/tex]

amount of moles of F₂= 1.5 moles

But 1.4 moles of F₂ are not available, 1.4 moles are available. Since you have less moles than you need to react with 3 moles of Na, F₂ will be the limiting reagent.

The following rule of three can be applied: if by reaction stoichiometry 1 mole of F₂ form 2 moles of NaF, 1.4 moles of F₂ form how much mass of NaF?

[tex]moles of NaF=\frac{1.4 moles of F_{2}x2 moles of NaF }{1 mole of F_{2} }[/tex]

moles of NaF= 2.8 moles

Then, 2.8 moles of NaF are formed when 3.0 mol Na reacts with 1.4 mol F₂.

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Atoms and molecules are way too small to be seen even with a microscope so it can be counted by mass.

According to the context, the term actually may or may not encompass ions that meet this requirement. A molecule would be a collection of more than two atoms held together through attractive forces described as chemical bonds.

Atoms are incredibly tiny, with a diameter of around 1 x [tex]10^{-10}[/tex] meters. They can't be seen with a light microscope due to their small size. The composition of atoms can be observed and studied using a variety of ways, even if a light microscope might not be able to see one atom.

Therefore, atoms and molecules are way too small to be seen even with a microscope so it can be counted by mass.

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Malic dehydrogenase catalyzes the conversion of oxaloacetate to malate.

The transaminase enzyme known as aspartate aminotransferase (AST) is responsible for converting aspartate and alpha-ketoglutarate into oxaloacetate and glutamate.

Malate Dehydrogenase catalyzes Oxaloacetate to Malate Oxidation in the Coupled Reaction of AST Measurement.

What is the reaction of aspartate aminotransferase

I understand the question you are looking for is this:

Malic dehydrogenase is added to the aspartate aminotransaminase (AST) reaction to catalyze the conversion of:

a. alpha-ketoglutarate to aspartate

b. alpha-ketoglutarate to malate

c. aspartate to oxaloacetate

d. oxaloacetate to malate

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If 2. 0 x 1023 argon {Ar) atoms strike 4. 0  [tex]cm^{2}[/tex]  of wall per second at a 90° angle to the wall when moving with a speed of 45,000  [tex]cm^{-1}[/tex].The pressure will be 0.295 atm.

The force delivered perpendicularly to an object's surface per unit area across which that force would be dispersed is known as pressure. In comparison to the surrounding pressure, gauge pressure defines the pressure. The units was using to express pressure vary.

Calculation of force:

Force excerted by the Ar atoms, (F) = Change in momentum for one Ar atom 7 / unit time × number of atom

F = 2mv /1s × number of atoms.

Putting the given data in above equation.

F = 2 × 39.95 amu × 450 m/s/ 1s × 1.66 × [tex]10^{-27}[/tex] kg /amu × 2 × [tex]10^{23}[/tex] atom

F = 11.94 N

Now, pressure can be calculated by using the formula:

P = Force exerted /area

P = 11.94 N/ 4.0 [tex]cm^{2}[/tex] ×  [tex]cm^{2}[/tex]/ [tex]10^{-4} m^{2}[/tex]

P = 0.295 atm

Therefore, the pressure will be 0.295 atm.

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Answer:

Explanation:

The energy of a particle in the box increases proportionally to n-squared. This means that the energy spacings increase at high values of n.

The energy levels of a quantum particle-in-a-box decreases as the quantum number increases.

Quantum numbers can be used to describe the trajectory and the movement of an electron in an atom.

The set of numbers used to describe the position and energy of an electron in an atom is called quantum numbers.

These are the four quantum numbers, i.e., principal quantum number (n), magnetic quantum number (m), azimuthal quantum number (l), and spin quantum number (s).

As the energy levels of a quantum particle-in-a-box decreases as the quantum number increases.

Therefore, The energy levels of a quantum particle-in-a-box decreases as the quantum number increases.

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The bluish color that makes the atmosphere of neptune so beautiful to the human eye is caused by the interaction of sunlight with methane gas.

The compositions of Uranus but also Neptune are fairly similar at high altitudes. The existence of methane in both ice giants' upper atmospheres may be responsible for their blue hue. The majority of the red light that strikes the planets is absorbed by methane, giving the planets their blue appearance.

The blue marble occurrence of the faraway planet is actually a result of methane gas clouds. Methane is a gas that, despite making up a very small fraction of Neptune's atmosphere, absorbing red light's wavelengths while reflecting blue light outward.

Therefore, the bluish color that makes the atmosphere of neptune so beautiful to the human eye is caused by the interaction of sunlight with methane gas.

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6.9 g of sodium chloride will be produced.

Antoine Lavoisier discovered in 1789 that mass is neither created nor destroyed in chemical reactions, which led to the formulation of the Law of Conservation of Mass. That is to say, the mass of any one element at the start of a reaction will be equal to that element's mass at the conclusion of the reaction.

The total mass of the reactants and products are equal under the principle of conservation of mass.

                  BaCl₂ + Na₂SO₄ => BaSO₄ + 2NaCl

Molecular weight of BaCl₂ = 137 + 35.5 × 2

                                            = 208 g/mole

Molecular weight of NaCl = 22.99 + 35.45

                                           = 58.44 g/mole

208 g/mol BaCl₂ produces 58.44 g/mole NaCl.

1 g/mol BaCl₂ produces (58.44 / 208) g/mole NaCl.

24.7 g  BaCl₂ produces   (58.44 / 208) × 24.7 g NaCl

                                       = 6.9 g NaCl

Therefore, 6.9g of sodium chloride will be produced.

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Which method is used for synthesis of ammonia?

The Haber-Bosch process

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When the solute concentration in solution 1 is lower than the solute concentration in solution 2, solution 2 is concentrated solution .

The dilute solution and concentrated solution is relative terms.

Now in any solution there are just solute and solvent.

If amount of solute is comparatively high as compare to amount of solvent  in solution then solution is called concentrated solution. Similarly , If amount of solute is comparatively low as compare to amount of solvent  in solution then solution is called dilute solution.

If the amount of solvent is more in a solution then the amount of solute would be less.Again if the amount of solvent is less in a solution then amount of solute is more.

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(a) 0.807 fraction of the sample will remain 3. 80 yr after its preparation of tritium.

Half life is the time taken for the radioactivity of a substance to fall to half its original value whereas mean life is average lifetime of all the nuclei of a particular unstable atomic species.

So if a radioactive element has a half life of one hour, this means that half of it will decay in one hour. After another hour, half of the remaining material will decay.

Example:

The radioactive isotope cobalt-60, which is used for radiotherapy, has, for example, a half-life of 5.26 years.

Tritium half life = 12.32 (T half)

Formula :

(a) 0.807 fraction of the sample will remain 3. 80 yr after its preparation of tritium.

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Answer:

using a centrifuge

Explanation:

Centrifugation will make the large molecules to settle at the bottom.

The Most suitable answer is tyndall effect

Infusion of radiopaque contrast medium, barium sulfate, into the rectum is technique used in barium enema.

Barium enema is technique used for the detection of abnormalities or changes in the large intestine colon via X- rays. The exam is indicated for investigation of

Thus, from above we concluded that the silhouette of the colon. This type of diagnosis is used in the case of adnormal pain, rectal bleeding chronic diarrhea.

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The height of the bin is 29.9m.

The quantity of space enclosing a three-dimensional shape's exterior is its surface area.

The total surface area of the cylinder formula is simply the sum of the base surface area and the lateral surface area.

The radius of the cylinder, r = 5m

Surface area = 1099 m²

∴ A = 2πrh + 2πr²

  [tex]h = \frac{A- 2\pi r^2}{2\pi r}[/tex]

  [tex]h = \frac{1099- 2 (3.141) 5^2}{2 (3.141) 5}[/tex]

  [tex]h = \frac{1099- 157.05}{31.41}[/tex]

  [tex]h = \frac{941.95}{31.41}[/tex]

  [tex]h = 29.9 m[/tex]

Therefore, the height of the bin is 29.9m.

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The second set of cations can be separated using solubility-product constants.

The creation of a new bond between the molecules of the solute and the solvent is known as solubility. Solubility is the greatest amount of solute that can be dissolved in a known amount of solvent at a specific temperature.

The amount of oil that will dissolve in the water column at a specific temperature and pressure is known as its solubility in water. The compound's water solubility increases with increasing polarity. The high water solubility of BTEX chemicals is one reason why they are found in groundwater so frequently. The ability of a medicine to dissolve is essential to its effectiveness. A drug substance cannot be absorbed without it, which results in limited bioavailability.

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The role of each of the reactants are:

What is the Diels-Alder reaction?

The Diels–Alder reaction is known to be a kind of reaction that is said to exist between what we call a conjugated diene and that of an alkene (dienophile).

Note that the union of both leads to a unsaturated six-membered rings and because the reaction is one that entails the formation of a cyclic product through what we call a cyclic transition state, it is said to be known as a "cycloaddition".

Note that from the experiment, The role of each of the reactants are:

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Oxidation is "increase in oxidation number".

A growth in oxidation number results from the losing of negatively charged electrons, whereas a reduction in oxidation number results from the gain of electrons. The result is just a rise in the oxidation number of the oxidized element and ion.

The elements in molecules and compounds were rearranged to create the products when there is a chemical reaction at the molecular level, which is where chemical changes take place. One type of chemical change is called oxidation.

Therefore, Oxidation is increase in oxidation number.

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When calcium oxide react with carbon dioxide to form calcium carbonate then  carbon dioxide would react as a Lewis acid in the reaction.

A chemical species known as a Lewis acid has an empty orbital that can accept a pair of electrons from a Lewis base to produce a Lewis adduct.

In the reaction, orbital of  carbon dioxide will be vacant orbital that's why it can be considered as Lewis acid.

Its reaction can be written as:

[tex]CaCO_{3}[/tex] → CaO +[tex]CO_{2}[/tex]

It is kind of decomposition reaction.

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The number of moles of hydrogen required will be 20 moles.

First, let us look at the balanced equation of the reaction:

[tex]C + 2H_2 --- > CH_4[/tex]

From the above equation, it is obvious that 1 mole of carbon requires 2 moles of hydrogen in order to produce a mole of methane.

In other words, the mole ratio of hydrogen to methane is 2:1. For every 1 mole of methane produced, 2 moles of hydrogen are consumed.

Now, what we want to produce is 10 moles of methane. The amount, in moles of hydrogen required, is calculated by:

                    10 moles x 2 = 20 moles.

Thus, 20 moles of hydrogen would be required to produce 10 moles of methane.

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The rate of reaction in SN2 reaction becomes four times when the the concentration of bromoethane is doubled and the concentration of hydroxide ion doubles.

In SN2 reaction, the rate of reaction is depend on the concentration of both reactant.

For SN2 reaction,

r = k[bromoethane] [hydroxide ion]

r = k [CH3CH2Br] [OH]

When the concentration of bromoethane is doubled and the concentration of hydroxide ion doubles then,

r = k 2×[CH3CH2Br] × 2[OH]

r = 4k[CH3CH2Br] [OH]

Thus, we concluded that the rate of reaction in SN2 reaction becomes four times.

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The reagents which are used to carry out the chlorination of benzene are   cl2/fecl3 and cl2/nacl

Chlorination is the process of disinfecting drinking water by introducing chlorine to eradicate viruses, germs, and parasites. To get drinking water with safe levels of chlorine, various techniques can be utilized. Chlorination is the technique of disinfecting and eradicating bacteria from drinking water by adding chlorine to it.

To get drinking water with safe levels of chlorine, various techniques can be utilized. Chlorine can be found as solid calcium hypochlorite (Ca(OCl)2), sodium hypochlorite solution (NaOCl), or compressed elemental gas. Chlorine is added to water as part of the chlorination process, however the chlorinating substance need not be pure chlorine.

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The pressure of the mixture can be found out adding the Partial Pressure of the gas.

Partial pressure of gas is the pressure if it alone occupied the entire volume of original mixture.

Moles = given mass / molar mass

Given,

Mass of Nitrogen = 32g

Molar Mass of Nitrogen = 28g

Mass of Neon = 16g

Molar Mass of Neon = 20g

Volume of gas = 4L

Temperature of vessel = 0°C = 273K

Partial Pressure of nitrogen = P₁

Partial Pressure of neon = P₂

Moles of nitrogen, n₁= 32/28 = 1.14

Moles of neon, n₂= 16/20 = 0.8

Using Ideal gas equation for Nitrogen,

∴ P₁V = n₁RT

⇒ P₁ (1) = 1.14 × 0.082 × 273

⇒ P₁ = 25.52atm

Using Ideal gas equation for Neon,

∴ P₂V = n₂RT

⇒ P₂ (1) = 0.8 × 0.082 × 273

⇒ P₂ = 17.9 atm

Total pressure of the mixture can be found out by adding the partial pressures of both the gases.

Total pressure P = P₁  + P₂  

P = 25.52 + 17.9 atm

P = 43.42 atm

Hence, total pressure of the mixture is 43.42atm

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the coefficient of performance of this heat pump is 8.61.

The air source heat pump converts heat from the ambient air into a low-temperature liquid refrigerant. The pump compresses the liquid to raise its temperature using power. To release the heat it had been holding, it then condenses back into a liquid. Your underfloor heating system or radiators get heat.

coefficient of performance -The usable heating or cooling delivered to work (energy) needed ratio, also known as the coefficient of performance, or COP, of a heat pump, refrigerator, or air conditioning system. Higher efficiency, less energy (power) usage, and thus reduced operational costs are all related to higher COPs.

temperature of cold reservoir = -14.0°C

Tc = [ 273+ (-14.0)]K = 259K

temperature of hot reservoir = 20°C

Th = [ 273+ (20)]K = 293K

therefor, formula for coefficient of performance

Cop = Th/Th-Tc

Cop = 293/34

Cop = 8.61

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A pyranose with the hydroxyl group on the anomeric carbon pointing up in the haworth structure is designated by alpha .

When aldohexoses undergo cyclization, anomers are formed. Anomers differ in the spatial position of the -OH group at [tex]C_{1}[/tex] . When the  -OH group is positioned along the direction of [tex]-CH_{2} OH[/tex] , alpha anomer exists but when the  -OH group is positioned opposite to the direction of the[tex]-CH_{2} OH[/tex] , then we have the beta anomer. Consider the alpha and beta anomers of galactopyranose and a pyranose with the hydroxyl group on the anomeric carbon pointing up in the haworth structure is given as ,

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Hydrochloric acid  (HCl) and brine both  compound expect to be removed from the organic layer extracted with 1 m NaOH solution.

Using a solvent, a component of interest is selectively removed from a mixture during extraction. The process has been utilized to form the phase separation with the solvent in one phase, and the solute to be present in another phase.

The extraction process can be differentiated based on the phase of the solute and solvent. For example, solid-liquid, liquid-liquid, solid-gas and others.

The extraction with the use of the NaOH forms the solute to lose an electron to the hydroxide of the NaOH and forms the layer of the negative acid. The use of Brine and HCl forms to bond with the organic layer and mediate the extraction process.

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Answer:

0.0907 M

Explanation:

Before you can calculate the molarity, you need to convert grams to moles (via molar mass) and convert mL to L.

(Step 1)

Molar Mass (C₈H₅O₄K):

8(12.011 g/mol) + 5(1.008 g/mol) + 4(15.998 g/mol) + 39.098 g/mol

Molar Mass (C₈H₅O₄K): 204.218 g/mol

0.6013 g C₈H₅O₄K             1 mole
------------------------------  x  ------------------  =  0.00294 moles C₈H₅O₄K
                                          204.218 g

(Step 2)

1,000 mL = 1 L

32.47 mL              1 L
---------------  x  -----------------  =  0.03247 L
                        1,000 mL

(Step 3)

Molarity (M) = moles / volume (L)

Molarity = 0.00294 moles / 0.03247 L

Molarity = 0.0907 M

Hence the percent yield of methanol is 51.45%

Step 1: Convert Kg into g

68.5 Kg CO = 68500 g CO

8.60 Kg H₂ = 8600 g

Step 2: Find out the Limiting reactant;

The Balance Chemical Equation is as follows;

                CO + 2 H₂  →  CH₃OH

According to Equation,

         28 g (1 mol) CO reacts with = 4 g (2 mol) of H₂

So,

         68500 g CO will react with = X g of H₂

Solving for X,

          X = (68500 g × 4 g) ÷ 28 g

          X  = 9785 g of H₂

It shows that 9785 g H₂ is required to react with 68500 g of CO but we are provided with 8600 g of H₂ which is less than required. Therefore, H₂ is provided in less amount hence, it is a Limiting reagent and will control the yield of products.

Step 3: Calculate Theoretical Yield

According to the equation,

     4 g (2 mol) H₂ reacts to produce = 32 g (1 mol) Methanol

So,

            8600 g H₂ will produce = X g of CH₃OH

Solving for X,

          X  = (8600 g × 32 g) ÷ 4 g

          X = 68800 g of CH₃OH

Step 4: Calculate %age Yield

          %age Yield = Actual Yield ÷ Theoretical Yield × 100

Putting Values,

          %age Yield = 3.54 × 10⁴ g ÷ 68800 g × 100 = 51.45 %

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The heat is gained by Cu when 51. 8 g of Cu is warmed from 15. 5°c to 76. 4°c If the specific heat of Cu is 0. 385 j/(g · °c) is 999.42 J.

Specific heat is defined as the heat which is required to raise the temperature by 1°C of the unit mass of a given substance by a given amount.

We are required to calculate the quantity of heat energy gained by Cu

As we know that,

Q = m × c ×∆T

where,

Q is the quantity of heat energy

m is mass of substance = 0.051kg

c is specific heat of substance = 385J/kg.°C

∆T is change in temperature = 50.9

By substituting all these value we will get,

Q = 0.051 × 385 × 50.9

Q = 999.42J

Thus, we calculated that the quantity of heat gained by 0.051kg of Cu is 999.42J.

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