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Sodium hydrogencarbonate is famous for producing endothermic reactions when an acid is added. The temperature goes down.

2006-10-28 06:58:40 · answer #1 · answered by Gervald F 7 · 0 0

exothermic

2006-10-24 19:45:44 · answer #2 · answered by t_roy_e 3 · 0 0

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