During a lab activity, students prepared two solutions separately at the same temperature. Later they mixed the solutions and the temperature dropped. Why?

There was no energy input during the chemical reaction.

Energy was absorbed during the chemical reaction.

Energy was released during the chemical reaction.

The temperature of the surroundings dropped.

Answers

If the temperature drops that means it is an endothermic reaction which makes the correct answer "energy was absorbed during the chemical reaction."


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