How can we choose the best chemicals to create a cold or hot pack?

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29-03-2019
Chemistry

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How can we choose the best chemicals to create a cold or hot pack?

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PeachyLove PeachyLove · Answer 1 · 2019-03-29T19:27:35+01:00

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➷ It would depend on whether they would create an endothermic reaction or exothermic. For a hot pack, the chemicals would need to release energy (heat). However, a cold pack would need chemicals that need to draw heat from the surroundings to produce a cool sensation.

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