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20 September, 08:00

What type of reaction is occurring when you activate an instant cold pack?

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  1. 20 September, 11:48
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    endothermic reactions

    Explanation:

    An instant cold pack is a device that consists of two bags; one containing water, inside a bag containing ammonium nitrate, calcium ammonium nitrate or urea. When the inner bag of water is broken by squeezing the package, it dissolves the solid in an endothermic reaction.
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