AP® Biology

Free Version

Upgrade subject to access all content

Easy

System Energy Description

APCHEM-7LHEUY

When a chemical reaction occurs, which of the following CANNOT be used to describe the energy of the system?

A

The energy of the surroundings increases, resulting in an endothermic reaction.

B

The energy of the system decreases, resulting in an exothermic reaction.

C

The energy of the system increases, resulting in an endothermic reaction.

D

The energy of the system remains constant, resulting in no observable change in energy for the reaction.