Moist air is less dense than dry air at the same temperature and barometric pressure. Which is the b — Gases Chemistry Question
Question
Moist air is less dense than dry air at the same temperature and barometric pressure. Which is the best explanation for this observation?
A.
H2O is a polar molecule but N2 and O2 are not.
B.
H2O has a higher boiling point than N2 or O2.
C.✓ Correct
H2O has a lower molar mass than N2 or O2.
D.
H2O has a higher heat capacity than N2 or O2.
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