Which of the Following Occur(s) When Water Vapor Is Added

question 42

Multiple Choice

Which of the following occur(s) when water vapor is added to a dry gas at a constant pressure?
1) The volume occupied by the gas mixture decreases.
2) The relative humidity of the mixture increases.
3) The partial pressure of the original gas is reduced.

• A)1 and 2 only
• B)1 and 3 only
• C)1, 2 and 3
• D)3 only

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