why is dilution called an exothermic reation
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Explanation:
(ii) Dilution of an acid is exothermic reaction. ... Hence, when we add water in acid, heat is evolved due to formation of hydrogen bond between water and acid.
(iii) Evaporation of water is endothermic reaction because water molecules must absorb heat from the surroundings to increase their kinetic energy.
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Dilution of an acid is exothermic reaction . Hence , when we add water in acid , heat is evolved due to formation of hydrogen bond between water and acid.
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