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4 votes
3.

As water vapor condenses at 100°C, the potential
energy of the molecules
A.
decreases
B. increases
C. remains the same

1 Answer

6 votes

Answer:

A. decreases

Step-by-step explanation:

You must remove energy from water vapour for it to condense, so its potential energy decreases.

User Kimmo Hintikka
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