A-LevelChemistryStates of matter9701/12 · Feb/Mar 2018 · Q321 Mark
A container is partially filled with hot water, sealed and left to cool. Which statements are correct? 1 As the temperature decreases, water molecules lose kinetic energy. 2 As the temperature decreases, more water molecules move from vapour to liquid. 3 As the temperature decreases, the vapour pressure of the water decreases.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
A: 1, 2 and 3 are correct
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