5
QuizMultiple Choice

Unit Test — Unit test

Question 5 of 25 • EO Chemistry 7320B

How is the kinetic energy of the particles of a substance affected during a phase change?

Answer
A
Kinetic energy increases during exothermic changes and decreases during endothermic changes.
B
Kinetic energy decreases during exothermic changes and increases during endothermic changes.
C
Kinetic energy does not change, but the potential energy does.
D
Kinetic energy changes in the opposite way that the potential energy changes.
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