At the same temperature and pressure,which of the following will have the highest kinetic energy per mole?

The Kelvin temperature of an ideal gas is

Which of the following expressions is correct for an ideal gas?

If the kinetic energy in $J$, of $CH_4$ (molar mass $= 16 \ g \ mol^{-1}$) at $T(K)$ is $X$, the kinetic energy in $J$, of $O_2$ (molar mass $= 32 \ g \ mol^{-1}$) at the same temperature is

If a gas expands at a constant temperature,then...

According to the kinetic theory of gases,