Question

Give one example of each kind show that an energy takes place when a physical or chemical change occur

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Answer 1

Explanation: 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.

Answer 2

Explanation: 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.