1.
The density versus pressure of a given mass of an ideal gas is shown at two temperatures and

Then relation between and may be
2.
A diatomic gas molecule has translational, rotational and vibrational degrees of freedom. The is
3.
The temperature of a given mass is increased from 27 to 327 . The rms velocity of the molecules increases
4.
If is the ratio of specific heats and is the universal gas constant, then the molar specific heat at constant volume is given by
5.
A real gas behaves like an ideal gas if its