Ratio of rates of diffusion of He and `CH_(4)` (under identical conditions):

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

The ratio of the rates of diffusion of helium and methane under identical condition of pressure and temperature will be _____

The ratio of the rate of diffusion of helium and methane under indentical conditions of pressure and temperature will be

The ratio of the rate of diffusion of helium and methane under indentical conditions of pressure and temperature will be

The ratio of the rate of diffusion of helium and methane under indentical conditions of pressure and temperature will be

The ratio of rates of diffusion of two gases x and y under similar conditions is 2:1. What will be the ratio of their average speeds if gas X is at -23^@C and gas y is at 273^@C ?

Rank Cl_(2),SO_(2),CO_(2),CH_(4) gases in increasing order of their rates of diffusion under identical set of conditions.