Question

As a chemical reaction occurs, the thermometer in the container records an increase 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.

Answer 1

The reaction is exothermic because heat was released by the reaction.

Step-by-step explanation:

'exothermic' means a reaction released heat over the time of the experiment.

'endothermic' means that the reaction released cold over the experiment.

Answer 2

the second one is correct