Physics, asked by siya25022009, 4 months ago

3. Why are chemical reactions accompanied by energy change?​

Answers

Answered by sanjayksingh879
3

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.

Answered by sanmugamsanmugamt125
0

Answer:

because of electrons present in following object

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