The behaviour of real gas approaches ideal behaviour at

The ratio of average velocity of a gas molecule to the root mean square velocity at a particular temperature is

What is the molecular mass of X if the rate of diffusion of methane is twice that of X.

What will be the density of N$$_2$$ gas at 230$$^\circ$$C and 3 atm pressure? (R = 0.082 L atm K$$^{-1}$$ mol$$^{-1}$$)

Identify the pair of gases that have equal rates of diffusion

The melting of ice

The density of a gas A is thrice that of a gas B at the same temperature. The molecular weight of gas B is twice that of A. What will be the ratio of pressure acting on B and A?

Gram molecular volume of oxygen at STP is

Dalton’s law of partial pressures is applicable to which one of the following systems?

One mole of oxygen at 273 K and one mole of sulphur dioxide at 546 K are taken in two separate containers, then