Question

which statement describes an endothermic reaction?
o no energy is transferred by the reaction.
o energy is absorbed by the reaction.
o energy is released by the reaction.
o energy is created in the reaction.

Explanation:

An endothermic reaction is defined as a reaction where energy is absorbed. According to the law of conservation of energy, energy is not created or destroyed (so the option about energy being created is wrong). In an endothermic reaction, energy transfer occurs in the form of absorption (so the option about no energy transfer is wrong), and energy is absorbed rather than released (so the option about energy release is wrong).

Answer:

Energy is absorbed by the reaction.