Question

The amount of energy a substance has during a phase change ____________ . Select the best answer.
A
increases
B
decreases
C
increases or decreases
D
doubles or halves

Answer 1

Answer:

C

increases or decreases

Explanation:

The energy that is changing during a phase change is potential energy. During a phase change, the heat added (PE increases) or released (PE decreases) will allow the molecules to move apart or come together.

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Answer 2

C increase or decrease