Kinetic Theory Of Gases Question 119

Question: Vapour is injected at a uniform rate in a closed vessel which was initially evacuated. The pressure in the vessel

Options:

A) Increase continuously

B) Decreases continuously

C) First increases and then decreases

D) First increase and then becomes constant

Show Answer

Answer:

Correct Answer: C

Solution:

[c] As number of moles increases, pressures increases and at certain pressure vapour condenses hence pressure now decreases.