A vessel has gas saturated with water vapours at a total pressure of 1 atm. The vapour pressure of water is 0.3 atm. The contents of this vessel are completely transferred to another vessel having one

Question

A vessel has $	ext{N}_2$ gas saturated with water vapours at a total pressure of 1 atm. The vapour pressure of water is 0.3 atm. The contents of this vessel are completely transferred to another vessel having one-third of the capacity of original volume, at the same temperature. The total pressure of this system in the new vessel is

Prashant Kotian · Accepted Answer

Correct answer: D. Dry N2 = 0.7 atm. Compressed to 1/3 volume -> N2 = 2.1 atm. Water VP remains 0.3 atm. Total = 2.4 atm. Therefore, correct answer is D.

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