orcawave6495 orcawave6495

17-07-2020
Biology

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0cm3 of acid were mixed with 60cm3 of alkali in an insulated container. The average temperature of the two solutions before they were mixed was 19.5°C. The temperature after mixing was 27.5°C. Was this an exothermic or an endothermic reaction?

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cristoshiwa cristoshiwa

18-07-2020

Answer: Endothermic reaction.

Explanation: An endothermic reaction is any chemical reaction that absorbs heat from its environment. In this reaction, the temperature of the mixture raised from 19.5°C to 27.5°C, which means there was an increase of heat, ergo, it is an endothermic reaction.

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