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Baking soda in water is an exothermic reaction that gives off a slight amount of heat because the reaction creates excess heat. Endothermic reactions require extra heat to speed the reaction. In either case adding heat to the water usually speeds up a reaction because the water molecules are more energetic and make contact with the baking soda molecules more readily (like dancers hitting each other using their hips!). Also, warm (hot?) water usually can hold more chemicals in solution than cold water.

2006-09-18 00:48:15 · answer #1 · answered by Kes 7 · 0 0

Higher the temperature faster the solubility of the baking soda in same volume of water.

2006-09-18 07:33:36 · answer #2 · answered by sudiptocool 2 · 0 0

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