The kinetic energy in $J$ of $1$ mole of $N_2$ at $27^{\circ} C$ is: $\left( R = 8.314 \ J \ mol^{-1} \ K^{-1} \right)$

$A$ bottle of dry ammonia and a bottle of dry hydrogen chloride connected through a long tube are opened simultaneously at both ends. The white ammonium chloride ring first formed will be:

At what temperature $T$ will the kinetic energy of $0.3 \ mol$ of $He$ be equal to the kinetic energy of $0.4 \ mol$ of $Ar$ at $400 \ K$ (in $K$)?

The kinetic energy of one mole of any gas depends upon

At $T$ $K$,the ratio of kinetic energies of $4$ $g$ of $H_{2(g)}$ and $8$ $g$ of $O_{2(g)}$ is

Assertion $(A)$ At $300 \ K$,kinetic energy of $16 \ g$ of methane is equal to the kinetic energy of $32 \ g$ of oxygen.
Reason $(R)$ At constant temperature,kinetic energy of one mole of all gases is equal.