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vlabodo [156]
2 years ago
7

Why do foods and fuels have chemical potential energy?

Chemistry
2 answers:
Paul [167]2 years ago
7 0
Because food is a fuel for your body and it goes into our body and fuels us in order to make kinetic energy :)
Ainat [17]2 years ago
6 0
Fuels are burned to produce energy, and your body breaks down the food to produce nutrients for your body.
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What was the initial temperature of a gas contained in a 2.0-L bottle at a pressure of 1.00 atm if it was placed under vacuum an
lesya692 [45]
V1/T1 = V2/T2 

Substitute the value use ratio and proportion. Use calculator. 

V1 = (V2 x T1) / T2

1 is initial, 2 is final
4 0
2 years ago
Explain why the acid-catalyzed dehydration of an alcohol is a reversible reaction, whereas the base-promoted dehydrohalogenation
antoniya [11.8K]

Answer:

electrophile(H⁺) is needed to react with alkene in the first step and nucleophile (OH⁻) is not available in the first step

Explanation:

7 0
3 years ago
Which of the following is considered a greenhouse gas?
Sergeeva-Olga [200]
The primary greenhouse gases are water vapor, carbon dioxide, methane, nitrous oxide, and ozone. So, the correct answer among these options is water vapor, that is considered to be a greenhouse gas.
4 0
2 years ago
How many grams of Ca(OH)2are required to make 1.5 L of a 0.81 M solution?
FrozenT [24]

Answer:

Mass = 90.28 g

Explanation:

Given data:

Mass of Ca(OH)₂ = ?

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Solution:

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Molarity = number of moles / volume in L

by putting values,

0.81 M = Number of moles / 1.5 L

Number of moles = 0.81 M × 1.5 L

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Mass = number of moles × molar mass

Mass = 1.22 mol × 74.09 g/mol

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2 years ago
Take it before its gone​
MaRussiya [10]
Hello my friend thank you
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