Questions in Kinetic Theory of Gases

Select	Question
	The average translational energy and the r.m.s. speed of molecules in a sample of oxygen gas at 300 K are $6.21\times {{10}^{-21}}\,J$ and 484 m/s respectively. The corresponding values at 600 K are nearly (assuming ideal gas behaviour)
	A polyatomic gas with $n$ degrees of freedom has a mean energy per molecule given by (N is Avogadro's number)
	At 0 K which of the following properties of a gas will be zero
	At the same temperature and pressure and volume of two gases, which of the following quantities is constant
	A box contains a mixture of ${{H}_{2}}$ and $He$ gases. Which of the following statements are corrects
	If temperature of gas increases from 27°C to 927°C the K.E. will be
	Vessel A is filled with hydrogen while vessel B, whose volume is twice that of A, is filled with the same mass of oxygen at the same temperature. The ratio of the mean kinetic energies of hydrogen and oxygen is
	Energy of all molecules of a monoatomic gas having a volume V and pressure P is $\frac{3}{2}PV$. The total translational kinetic energy of all molecules of a diatomic gas as the same volume and pressure is
	On absolute temperature, the kinetic energy of the molecules
	The temperature of a gas is – 68°C. At what temperature will the average kinetic energy of its molecules be twice that of at – 68°C