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Unformatted text preview: active the process of the hot pack. Hot packs include a dry chemical in the form of a powder. The occurring reactions that take place are the discharge of water and then combine with the chemicals in the outer pouch. This will generate either an exothermic or endothermic reaction and from what we already know the hot pack is an exothermic reaction because, it is releasing energy. Typically, hot packs include calcium chloride or magnesium sulfate. When these chemicals are release the temperature will raise as the water is mixed to the hot pack....
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- Spring '11