States Of Matter - Physical Chemistry - Chemistry Previous Year Questions

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

Gram molecular volume of oxygen at STP is

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

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?

Identify the pair of gases that have equal rates of diffusion

The melting of ice

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\(^{-1}\))

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

If the molar masses of two chemically non-reacting gases $\mathrm{A}_2$ and $\mathrm{B}_2$ are 28 amu and 32 amu respectively and 0.8 g of $\mathrm{A}_2$ and 0.4 g of $B_2$ are enclosed in a container with a total pressure of 820 mm of Hg , then the partial pressure of $A_2$ in atmosphere unit is $\_\_\_\_$