From the following statements concerning ideal gas at any given temperature T, select the correct one (s)

Options

A. The coefficient of volume expansion at constant pressure is the same for all idea gases
B. The average translational kinetic energy per molecule of oxygen gas is `3kT, `k being Boltzmann constant
C. The mean-free path of molecules increases with increases in the pressure
D. In a gaseous mixture, the average translational kinetic energy of the molecules of each component is different

Answer

A

Explanation

(a) For an ideal gas `PV=nRT`
`rArr` Coefficient of volume expansion
`((DeltaV)/(DeltaT))_p=(nR)/P=Constant`