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const2013 [10]
3 years ago
5

Describes changes in energy during a chemical reaction?

Chemistry
1 answer:
zysi [14]3 years ago
3 0

Answer:

Yes

Explanation:

Chemical reactions often involve changes in energy due to the breaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic.

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m_a_m_a [10]

Answer:

A mol (approximately)represents the number 6.02 X 10^^23. Mols become useful when we learn that, for any element on the periodic table, 6.02 X 10^^23 atoms of that element have a mass equal to the atomic mass in grams. So, on the periodic table carbon has an atomic mass of 12.011. That means: 12.011 grams of carbon is made up of 6.02 X 10^^23 atoms.

The above question is tricky.

If the question considers 1 molecule of SO2 as a particle, then the answer is 1.80 * 6.02 X 10^^23

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Explanation:

hope it helps U

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