which compound(s) exhibit hydrogen bonding forces? (select all that apply.)A. co2B. so2C. h2oD. hbrE. nh2ohF. becl2

The predicted intermediate that can directly supply the carbon skeleton for the synthesis of a five-carbon amino acid, is a-ketoglutarate. Correct answer: letter D.

This is because a-ketoglutarate is an intermediate of the Krebs cycle, and as such can directly supply the carbon skeleton for the synthesis of a five-carbon amino acid.

Five-carbon amino acids are essential for the synthesis of proteins in the body. a-Ketoglutarate is a key intermediate in the Krebs cycle that can directly supply the carbon skeleton for the synthesis of a five-carbon amino acid.

This makes a-ketoglutarate an important molecule for the synthesis of proteins in the body.

Which intermediate would you predict may directly supply the carbon skeleton for synthesis of a five-carbon amino acid?

Group of answer choices:

A) succinate

B) malate

C) cotrate

D) a-ketoglutarate

E) isocitrate

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Answer:

The answer to the question is C

Answer:

The answer is

Explanation:

To find the density of the sphere we use the formula

To find the density in g/cm³ first convert the mass into grams and the volume into cm³

For the mass we have

155 lb = 70306.82 g

For the volume

4.2 ft³ = 118930.76 cm³

Substitute the values into the above formula

That's

We have the final answer as

Hope this helps you

Answer:

3 moles

Explanation:

Answer:

3.90g/mL

Explanation:

To find the density of a substance, divide the mass by the volume.

So, 37.6 / 9.65 = 3.89637

then round to 3 significant figures

Good luck!

Answer:

Yes, they are.

Explanation:

The United States is one of these nuclear superpowers, making the ethical issues associated with these weapons critical and relevant. ... Most research across disciplines unanimously agrees that it is immoral to detonate an atomic weapon due to both short and long-term catastrophic effects.

In fact, some scholars have concluded that it is therefore morally wrong to act in ways that produce these outcomes, which means it is morally wrong to engage in nuclear warfare.

Answer:

NO not at all.

Explanation:

After reading the accounts of people who survived the bomb in Hiroshima and Nagasaki in 1945 during World War II, I was horrified just reading the testimonies. Almost every single survivor described the skinless and bloated bodies they had seen everywhere. Inosuke Hayasaki, a surivor of the bombing, noticed one of his classmates, among many other citizens, pleading for water. When he tried listening for his heartbeat, his "skin slipped right off". Bombs are used in war so the other side will surrender. Bombs are aimed at "enemies" as if every being is an object to destroy. So no, bombing----let alone nuclear bombing----is ethical.

Answer:

An elastic collision.

Explanation:

When a ball is dropped to the ground, one of four things may happen: It may rebound with exactly the same speed as the speed at which it hit the ground. This is an elastic collision.

Answer:

wow ok ill try to

Explanation:

this is the most beautiful thing ive seen all day

thank you

ayo

you need to just

5.00 x 10^24 ÷ 6.022 x 10^23 = 8.3028894×10^46

^

this is the n number

so the anwer is you bottom feeders is (8.30 moles N)

There is 44 % of CaCO3 in the mixture

Step 1: Data given

Mass of mixture = 2.500 grams

Mass after heating = 2.016 grams

Step 2: The balanced equation

CaCO3 → CO2 + CaO

Step 3: Calculate mass CO2 lost

Mass CO2 lost = Mass before heating - mass after heating

Mass CO2 = 2.500 - 2.016 = 0.484 grams

Step 4: Calculate the mole's CO2

Moles CO2 = Mass CO2 / molar mass CO2

Moles CO2 = 0.484 grams / 44.01 g/mol

Moles CO2 = 0.0109 moles

Step 5: Calculate moles CaCO3

For 1 mol CaO we need 1 mol CO2 for 1 mol CaCO3

For 0.0109 mol CO2, we have 0.0109 mol CaCO3

Step 6: Calculate the mass of CaCO3

Mass CaCO3 = moles CaCO3 * molar mass CaCO3

Mass CaCO3 = 0.0109 moles * 100.08 g/mol

Mass CaCO3= 1.10 grams

Step 7: Calculate the mass per cent of CaCO3

Mass % CaCO3 = (

There is 53.8 % of CaCO3 in the mixture 1.10 grams / 2.750 grams )*100 %

Mass % CaCO3 = 44 %

The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilograms of carbon 12.

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Answer:

for the first one we need the previous question to be able to answer it. for the second one density and temperature

Explanation:

a. pH = 7.0 - This equivalence point suggests a strong acid-strong base titration, where the acid and base are both fully neutralized. The color at the equivalence point could be neutral, meaning no color change occurs. b. pH = 8.8 - This equivalence point suggests a weak acid-strong base titration, where the base completely neutralizes the weak acid. The color at the equivalence point could be slightly basic, indicating a color change towards blue.

c. pH = 5.2 - This equivalence point suggests a strong acid-weak base titration, where the acid completely neutralizes the weak base. The color at the equivalence point could be slightly acidic, indicating a color change towards red.


Equivalence points are important in titration as they signal the completion of a reaction between an acid and a base. The type of titration can be determined by analyzing the pH at the equivalence point. If the pH is 7.0, it suggests a strong acid-strong base titration, where both reactants are completely neutralized. If the pH is above 7.0, it suggests a weak acid-strong base titration, where the base neutralizes the weak acid. If the pH is below 7.0, it suggests a strong acid-weak base titration, where the acid neutralizes the weak base.

The pH at the equivalence point can be used to identify the type of titration that occurred. By understanding the type of titration, we can better understand the reaction and the properties of the acid and base involved. Additionally, the color change at the equivalence point can help to further identify the type of titration and provide additional information about the properties of the reactants.

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Answer:

12?

Explanation:

Answer:

8

Explanation:

haploid is half

a) Melting: An example of melting that occurs in our everyday life is when we heat butter on a stovetop.

b) Freezing: Freezing is the process in which a liquid transforms into a solid upon cooling.

c) Condensation: One example of condensation that we encounter regularly is when water droplets form on the surface of a cold drink on a hot day.

d) Evaporation: Evaporation is the process by which a liquid transforms into a gas or vapor.

e) Sublimation: Sublimation refers to the transformation of a substance directly from a solid to a gas without passing through the liquid state.

a) Melting:  Butter is a solid at room temperature, but when heat is applied, it melts into a liquid. This change is a result of the increase in temperature, which provides enough energy to overcome the intermolecular forces holding the butter molecules together.

b) Freezing:Eventually, the temperature reaches the freezing point of water (0°C or 32°F), at which the water molecules slow down and arrange themselves into a regular, crystalline structure. This transformation from a liquid to a solid state is accompanied by the release of heat energy.

c) Condensation: As the temperature decreases, the air's capacity to hold moisture decreases, causing the water vapor in the air to condense into liquid water droplets. This process occurs due to the transfer of heat energy from the warm air to the cold surface, leading to the saturation of the air and the conversion of water vapor into liquid form.

d) Evaporation:  As the sun's heat energy is absorbed by the water molecules on the clothes' surface, their kinetic energy increases, causing them to break free from the liquid phase and escape into the surrounding air as water vapor. This process occurs because the molecules at the liquid surface with sufficient energy can overcome the attractive forces within the liquid and enter the gas phase.

e) Sublimation: Sublimation refers to the transformation of a substance directly from a solid to a gas without passing through the liquid state. An example of sublimation is the process of dry ice (solid carbon dioxide) converting into carbon dioxide gas.

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Answer:

The density is d=1g/cm cubed

Explanation:

Answer:

a. CH4 → CO2 and H20

O2 → CO2 and H20

b. -890 kJ

Explanation:

The speed of the particles rises with the temperature of the solid, liquid, or gas. The particles slow down with decreasing temperature.

A liquid can turn into a solid if it is cooled down far enough.

The average kinetic energy of the molecules falls as a liquid cools.

The liquid eventually turns into a solid when the quantity of heat removed is sufficient to cause the molecules to be attracted to one another.

Freezing is the process of transitioning from a liquid to a solid.

It loses thermal energy when the liquid cools. Its constituent particles therefore decelerate down and converge.

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Answer:High density

Explanation:

The metal doesn't remains gas at room tempreture, it doesn't have brittleness property and it is not poor conductor of electricity .But, it has high density .

Hope, it would be correct.

Answer:

Explanation:

b

Answer:

0.80 mol

Explanation:

n(H)/n(N) = 1/3

n(N) = 3×0.60

n(N) = 1.8 mol

n(N) in excess = 1.80-0.60 = 1.20 mol

n(N)/n(NH3) = 3/2

n(NH3) = 2/3×1.20 = 0.80 mol

Answer:

C) silver bromide

Explanation:

Calcium bromide is incorrect.

The compound which is insoluble in water is silver bromide (AgBr).

Those compounds which have high attraction force between their constitutes ions as compare to ions between the water and compounds are insoluble in water.

Among given compounds all are soluble in water except silver bromide, because silver is having high nuclear charge than other given alkali metals as calcium, potassium and sodium. So it tightly attracts the bromide ion towards itself and this attraction is more than the attraction between the H⁺ ion of water and bromide ion, as a result of which it is insoluble in water.

Hence, option (C) is correct i.e. silver bromide.

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In any chemical reaction, the quantities that are conserved are mass, charge, and energy. This is known as the law of conservation of mass, charge, and energy. The law of conservation of mass is a fundamental principle of physics and chemistry.

The law of conservation of mass states that in any chemical reaction, the total mass of the reactants is equal to the total mass of the products. It means that mass can neither be created nor destroyed in a chemical reaction, but can be transformed from one form to another. This law is also known as the principle of mass conservation, the principle of mass preservation, or the law of indestructibility of mass.

The law of conservation of charge states that the total charge in a closed system remains constant over time, regardless of any transformations that may occur within that system. It means that the amount of positive charge must be equal to the amount of negative charge in a system at all times.

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a. The entropy change for this reaction is positive because the products have a greater number of microstates than the reactants.

b. The entropy change for this reaction is also positive.

a) When the reactants of zinc and hydrochloric acid combine, they form a single molecule of zinc chloride and two molecules of hydrogen gas. The higher number of molecules and increased molecular motion of the products leads to an increase in entropy.

b) When two oxygen atoms react, they form a single molecule of dioxygen. This increases the number of molecules present, and therefore increases the entropy. The increase in molecular motion of the product also leads to an increase in entropy.

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Answer:

3.2 moles of H2SO4

Explanation:

We need to start with a balanced equation.  Lets assume the sulfuric acid is formed from sulfur dioxide and water.

   SO2 + H2O = H2SO4

This equation is balanced.  (Check it)

It tells us that 1 mole of SO2 will form 1 mole of H2SO4, if the reaction proceeds as planned.  That's a molar ratio of 1 to 1.  They are equal.  What moles we react, we should expect the same number of moles of product.  [And we need 1 mole of water at the same time]

So if we react 3.20 moles of sulfur dioxide, and keep out lab partner back, we'll obtain 3.2 moles of H2SO4.

The correct answer is option D.

The statement that formed the basis of Dalton’s atomic theory is atoms are the smallest particles of matter and cannot be divided farther.

In 1808, Dalton presented a theory named atomic theory which suggests that atoms are the smallest particles of an element and it is impossible to divide them further.

According to his theory every element is composed of these tiny particles.

Furthermore, his theory suggests that atoms neither can be divided nor destroyed.

In a particular matter, for example gold, all atoms have similar properties while their mass varies for every single different element.

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The complete question is:

Which of these statements is one of the conclusions that formed the basis of Dalton’s atomic theory?

a. Atoms can only change into atoms of another element through nuclear reactions.

b. Atoms of gases have less mass than atoms of liquids and solids.

c. Atoms of a particular element all have the same number of protons.

d. Atoms are the smallest particles of matter and cannot be divided farther.

Answer:

I'm guessing the alimentary canal