States of matter practice · Mixed difficulty

The ratio between kinetic energies of 16 g of ${O_2}$ and 28 g of ${N_2}$ respectively at 300 K will be

Dalton’s law of partial pressure is not applicable to

The mean free path $\left( \lambda \right)$ of a gas sample is given by:

A mixture of ${\mathrm{N}_\mathrm{2}}$ and $\mathrm{Ar}$ gases in a cylinder contains $\mathrm{7 g}$of ${\mathrm{N}_\mathrm{2}}$ and $\mathrm{8 g}$ of $\mathrm{Ar}$. If the total pressure of the mixture of
the gases in the cylinder is $\mathrm{27}$ bar, the partial pressure of ${\mathrm{N}_\mathrm{2}}$ is :

[Use atomic masses $\mathrm{N = 14,}\,\mathrm{Ar}\,\mathrm{ = 40}$]

Pressure remaining constant, the volume of a given sample of gas at $127\,^\circ C$ will be doubled at:

Choose the correct option for the total pressure (in atm.) in a mixture of 4 g ${O_2}$ and 2 g ${H_2}$ confined in a total volume of one litre at ${0^0}C$ is
[Given $R = 0.082\mathrm{L}\,\,\mathrm{atm}\,\,\mathrm{mo}{\mathrm{l}^{ - 1}}\,{K^{ - 1}},\,T = 273\mathrm{K}$]

Stability of $\alpha$-Helix structure of proteins depends upon

The inter molecular interaction that is dependent on the inverse cube of distance between the molecules is

If the ratio of critical temperature to critical pressure for a real gas is $\mathrm{mb} / \mathrm{R}$, then what is the integer value of $m$ ?

When universal gas constant (R) is divided by Avogadro number $\left( {{N_0}} \right)$, then the value of$\frac{R}{{{N_0}}}$ is equivalent to

$2 \mathrm{~g}$ of gas ${A}$ introduced in a evacuated flask at $25^{\circ} \mathrm{C}$. The pressure of the gas is $1 \mathrm{~atm}$. Now $3 \mathrm{~g}$ of another gas $B$ is introduced in the same flask so total pressure becomes $1.5 \mathrm{~atm}$. The ratio of molecular mass of $A$ and $B$ is

The compressibility factor ‘z’ for the gas is given by

Longest mean free path stands for :

An ideal gas expands according to $PV =$ constant. On expansion, the temperature of gas:

Consider 1 $c{m^3}$ sample of air at absolute temperature ${T_0}$ at sea-level and another $1\,\,c{m^3}$ sample of air at a height where the pressure is one third atmosphere. The absolute temperature $T$ of the sample at the height is :

Which of the following gases can be liquefied most easily?

Different gases at the same temperature have same

The speed possessed by majority of gaseous molecules is:

Dipole – Induced dipole interactions are present in which of the following pairs

The ratio of the rate of diffusion of Helium and methane under identical condition of pressure and temperature will be

The rate of diffusion of hydrogen is about

If $P$ is pressure and $\rho$ is density of a gas, then $P$ and $\rho$ are related as

At $700 \mathrm{~K}$, equilibrium is established between molecular deuterium and atomic deuterium as follows.
$\mathrm{D}_2 \rightleftharpoons 2 \mathrm{D}$
It was found that, at a pressure of 100 torr and $700 \mathrm{~K}$ temperature, the equilibrium mixture effuses through a pin hole 1.1 times as fast as helium (under similar temperature and pressure conditions).
The percentage of $D_2$ molecules dissociated into ions is

Hydrogen diffuses six times faster than gas A. The molar mass of gas A is

The gases showing heating and cooling effect during Joule-Thomson’s experiment have Joule-Thomson coefficient:

The critical temperature, Boyle’s temperature and inversion temperature respectively are given as

Oxygen gas generated by the decomposition of potassium chlorate is collected. The volume of oxygen collected at $24\,^\circ C$ and atmospheric pressure of 760 mm Hg is 128 mL. Calculated the mass of oxygen gas obtained. The pressure of the water vapour at $24\,^\circ C$ is 22.4 mm Hg

The ratio of Boyle’s temperature and critical temperature for a gas is:

A mixture of 0.50 mole of ${\mathrm{H}_\mathrm{2}}$ and 0.50 mole of $\mathrm{S}{\mathrm{O}_\mathrm{2}}$ is introduced into a 10.00 L container at $\mathrm{2}{\mathrm{5}^\mathrm{0}}\mathrm{C}$. The container has a pinhole leak. After a period of time, the partial pressure of ${\mathrm{H}_2}$ in the remaining mixture

The average molecular speed is greatest in which of the following gas samples?