In a chemical cold pack, two substances are kept separate by a divider. when the divider is broken, the substances mix and absorb heat from the surroundings. the chemical cold pack feels cold.

Question

Chemistry

Nikhil Beltran

29 January, 22:30

In a chemical cold pack, two substances are kept separate by a divider. when the divider is broken, the substances mix and absorb heat from the surroundings. the chemical cold pack feels cold.

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Answers (1)

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Maci · Answer 1

Answer;

-This is an example of endothermic reaction;

Explanation;

-An endothermic reaction is a chemical reaction accompanied by the absorption of heat. Examples: Dry ice subliming (changing from a solid directly to a gas). On the other hand, an exothermic reaction is a chemical reaction that releases energy by light or heat. The reactants have more energy than the products