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mixer [17]
3 years ago
6

Which statement best describes the availability of nonrenewable energy resources?

Chemistry
2 answers:
Contact [7]3 years ago
4 0

Answer:

C. Their exact amounts are not currently known.

Explanation:

Mazyrski [523]3 years ago
3 0

Answer: C

Explanation: the exact amounts are not currently known

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Find the percentage composition for iron in the following compound Fe2(CO3)3
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14.285 % is the answer maybe but I am not sure
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2 years ago
Which refers to the chemical name for NO2?
Anna35 [415]

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C

Explanation:

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3 years ago
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The relationship between moles and volume, when pressure and temperature of a gas are held constant, is: V/n =
Dvinal [7]

Answer:

If the moles of gas are tripled, the volume must also triple.

Explanation:

According to Avogadro law,

Equal volume of all the gases at same temperature and pressure have equal number of molecules.

The number of moles and volume are directly related to each other. By increasing the number of moles volume also goes to increase with same ratio.

When number of moles decreases the volume also goes to decrease at constant temperature and pressure.

Mathematical expression:

V ∝ n

V = Kn

V/n = k

When volume is changed from V₁ to V₂ by changing the number of moles from n₁ to n₂. Then expression will be,

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5 0
3 years ago
What do you think might be different between fat molecules and carbohydrate and protein molecules?
dimulka [17.4K]

Answer:

Long answer

Proteins are the building blocks of the body, each and every organ muscle and skin and cells are made of proteins. They can also be used for providing energy to the body in a state where other energy sources aren't available.

Fats are stored energy blocks which can be used by the body at its own convenience whenever there is a deficit of energy in the body. They can also be directly burnt to give energy in cases where energy needs of the body are not met by dietary intake

Carbohydrates are the most convenient and preferable source of energy in the body and are easily converted to give out immidiate energy to the body, excess carbohydrates can be converted into fats and stored for later usage as and when required by the body.

Proteins, fats and carbohydrates have many secondary functions and roles in the human body. If you are keen to know anything more specific feel free to ask.

<h3>Short answer :</h3>

Fats are used for energy after they are broken into fatty acids. Protein can also be used for energy, but the first job is to help with making hormones, muscle, and other proteins.

7 0
1 year ago
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Question 5 of 5
rjkz [21]
Probably Fresh vegetables, it can rot out, that’d be my guess, it’s not canned
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2 years ago
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