Chemistry, 17.09.2019 07:00 kaylaelaine18

During a lab activity, students prepared two solutions separately at the same temperature. later they mixed the solutions and the temperature dropped. why?
a: there was no energy input during the chemical reaction
b: energy was absorbed during the chemical reaction
c: energy was released during the chemical reaction

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During a lab activity, students prepared two solutions separately at the same temperature. later the...