Gaseous State · Chemistry · JEE Advanced

A closed vessel contains $10 \mathrm{~g}$ of an ideal gas $\mathbf{X}$ at $300 \mathrm{~K}$, which exerts $2 \mathrm{~atm}$ pressure. At the same temp...

If the distribution of molecular speeds of a gas is as per the figure shown below, then the ratio of the most probable, the average, and the root mean...

For one mole of a van der Waals gas when b = 0 and T = 300 K, the PV vs. 1/V plot is shown below. The value of the van der Waals constant a (atm L2 mo...

The term that corrects for the attractive forces present in a real gas in the van der Waals equation is

The average velocity of an ideal gas molecule at 27oC is 0.3m/sec. The average velocity at 927oC will be

Rate of diffusion of a gas is

Equal weights of methane and hydrogen are mixed in an empty container at 25oC. The fraction of the total pressure exerted by hydrogen is

Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is

Equal weights of methane and oxygen are mixed in an empty container at 25oC. The fraction of the total pressure exerted by oxygen is

The temperature at which a real gas obeys the ideal gas aws over a wide range of pressure is

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

A gas has a compressibility factor of 0.5 and a molar volume of $0.4 ~\mathrm{dm}^3 \mathrm{~mol}^{-1}$ at a temperature of $800 \mathrm{~K}$ and pres...

Aluminium reacts with sulphuric acid to form aluminium sulphate and hydrogen. What is the volume of hydrogen gas in litre (L) produced at 300 K and 1....

The diffusion coefficient of an ideal gas is proportional to its mean free path and mean speed. The absolute temperature of an ideal gas is increased ...

To an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mol of He and 1.0 mol of an unknown compound (vapour pressure 0.68 at...

At 400 K, the root mean square (rms) speed of a gas X (molecular weight = 40) is equal to the most probable speed of gas Y at 60 K. The molecular weig...

At 27oC, hydrogen is leaked through a tiny hole into a vessel for 20 minutes. Another unknown gas at the same temperature and pressure as that of H2 i...

The value of PV for 5.6 litres of an ideal gas is ________ RT, at NTP.

A spherical balloon of 21 cm diameter is to be filled up with hydrogen at N.T.P from a cylinder containing the gas at 20 atmospheres at 27oC. If the c...

The total energy of one mole of an ideal monatomic gas at 27o is _______ calories.

One mole of a monoatomic real gas satisfies the equation p(V $$-$$ b) = RT where b is a constant. The relationship of interatomic potential V(r) and i...

An ideal gas in thermally insulated vessel at internal pressure = p1, volume = V1 and absolute temperature = T1 expands irreversibly against zero exte...

According to kinetic theory of gases

A gas described by van Der Waals equation

One mole of nitrogen gas at 0.8 atm takes 38 s to diffuse through a pinhole. whereas one mole of an unknown compound of xenon with flourine at 1.6 atm...

A 4 : 1 molar mixture of He and CH4 is contained in a vessel at 20 bar pressure. Due to a hole in the vessel the gas mixture leaks out. What is the co...

An LPG (liquefied petroleum gas) cylinder weighs 14.8 kg when empty. When full, it weighs 29.0 kg and shows a pressure of 2.5 atm. In the course of us...

A gas bulb of 1 litre capacity contains 2.0 $$\times$$ 1021 molecules of nitrogen exerting a pressure of 7.57 $$\times$$ 103 Nm-2. Calculate the root...

At room temperature the following reacton is procedd nearly to completion: 2NO + O2 $$\to$$ 2NO2 $$\to$$ N2O4 The dimer, N2O4, solidifies at 262 K....

Calculate the volume occupied by 5.0 g of acetylene gas at 50oC and 740 mm pressure.

Calculate the root mean square velocity of ozone kept in a closes vessel at 20oC and 82 cm mercury pressure.

At room temparature, ammonia gas at 1 atm pressure and hydrogen chloride gas at P atm pressure are allowed to effuse through identical pin holes from ...

A mixture of ideal gas is cooled upto liquid helium temperature (4.22K) to form an ideal solution

In the van der Waal's equation (P + $${{{n^2}a} \over {{V^2}}}$$)(V - nb) = nRT the constant 'a' reflects the actual volume of the gas molecules.

Kinetic Energy of a Molecule is zero at 0oC.

A gas in a closed container will exert much higher pressure due to gravity at the bottom than at the top.

Eight gram each of oxygen and hydrogen at 27oC will have the total kinetic energy in the ratio of _______.

The rate of diffusion of gas is _______ proportional to both ________ and square root of molecular mass.

Cp - Cv for an ideal gas is _______