Question

giving one example of each kind,show that a change in energy takes place when a physical or a chemical change occurs(in not more than words)​

Answer 1

Explanation:

1. change in motion
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Answer 2

Answer:

Physical Change - When solid dry ice vaporises, the carbon dioxide molecules absorbs energy. Meanwhile, when liquid water vaporises it releases energy.

Chemical change - When a paper is burnt it releases energy in the form of heat and light.

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