23-10-2020
Chemistry

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What happens when a chemical hand warmer is unwrapped and starts to work?
A. A physical change absorbs thermal energy.
B. A chemical reaction absorbs thermal energy.
C. A physical change releases thermal energy.
D. A chemical reaction releases thermal energy.

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brayden9719 brayden9719

23-10-2020

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laylap34474 laylap34474

05-11-2020

Answer: D. A chemical reaction releases thermal energy.

Explanation:

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