In a chemical cold pack, two substances are kept separate by a divider. When the divider
Chapter 0, Problem 62(choose chapter or problem)
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. Is the reaction exothermic or endothermic? Draw an energy diagram showing the relative energies of the reactants and products in the reaction.
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