Chemistry, 01.09.2019 20:20 oktacos

As a chemical reaction occurs, the thermometer in the container records a drop in temperature. what is true of the reaction?
the reaction is endothermic because heat was taken in by the reaction.
the reaction is exothermic because heat was released by the reaction.
the reaction is endothermic because heat was released by the reaction.
the reaction is exothermic because heat was taken in by the reaction.

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As a chemical reaction occurs, the thermometer in the container records a drop in temperature. what...