If Z is a compressibility factor, van der Waals equation at low pressure can be written as
Equal masses of methane and oxygen are mixed in an empty container at 25°C. The fraction of the total pressure exerted by oxygen is
According to the kinetic theory of gases, in an ideal gas, between two successive collisions a gas molecule travels
In van der Waals equation of state of the gas law, the constant b is a measure of
For an ideal gas, number of moles per litre in terms of its pressure P, gas constant R and temperature T is
Which of the following is not an assumption of the kinetic theory of gases?