" What is the ratio of the rate of diffusion of "O_(2)" and "H_(2)" at same "P" and "T" ? "

The ratio of rates of diffusion of SO_(2) , O_(2) and CH_(4) is

Ratio of the rate of diffusion of He to H_(2) at 0^(@)C is same in the case :

The ratio of rates of diffusion of CO_(2) and SO_(2) at the same pressure and temperatue is:

2N_(2)O_(5)(g)to4NO_(2)+O_(2)(g) What is the ratio of the rate of decomposition of N_(2)O_(5) to rate of formation of NO_(2)

Caluculate the ratio of the rate diffusion of He and CH_(4) under identical condition of P and T .

What is the ratio of the rate of diffusion of helium gas to that of oxygen under identical conditions?

If the densities of methane and oxygen are in the ratio 1 : 2 , the ration of rate diffusion of O_(2) and CH_(4) is respectively