Question

Why energy is involved in a chemical change ?​

Answer 1

Answer:

All chemical reactions involve energy. Exergonic reactions release energy. Endergonic reactions absorb energy. All chemical reactions need activation energy to begin

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Answer 2

Answer:

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.

Explanation:

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