The average velocity of gas molecules is equal to ...... .

The ratio of the rates of diffusion of $SO_2$,$O_2$,and $CH_4$ is.....

The most probable speed $(u_{mp})$ of $8 \ g$ of $H_2$ is $2 \times 10^2 \ ms^{-1}$. The kinetic energy (in $J$) of the same amount of $H_2$ gas is:

Explain the effect of the mass of a molecule on the Maxwell-Boltzmann speed distribution.

The ratio of root mean square velocity of $H_2$ at $50 \ K$ to that of $O_2$ at $800 \ K$ is

The rms velocity of oxygen molecules at $27^{\circ} C$ is around $800 \ m/s$. The rms velocity of methane molecules at $600 \ K$ temperature is around ...... (in $m/s$)