Question

describe the kinds of energy changes that accompany physical and chemical changes with an example​

Answer 1

Answer:

During phase changes, energy changes are usually involved. For example, when solid dry ice vaporizes (physical change), carbon dioxide molecules absorb energy. Meanwhile, when liquid water becomes ice energy is released. ... Chemical bonds have potential energy or "stored energy .

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Answer 2

physical changes are the changes were no new substance are formed ex freezing of water

chemical changes are the changes were new substance are formes ex burning of wood