Question

why energy is involved in a chemical change​

Answer 1

here is your answer mate......

chemical change involved in movement of particals and breaking and making of new bonds.... for these functions energy is needed.

hope it helps you.....

Answer 2

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.,