Gaseous Laws and Ideal Gas Equation

In a closed flask of 5 litres, 1.0 g of  ${\mathrm{H}}_2$ is heated from 300 K to 600 K. Which statement is not correct?

A bubble of air is underwater at temperature  ${15}^{o}C$ and the pressure 1.5 bar. If the bubble rises to the surface where the temperature is  $\mathrm{}\mathrm{}25°C$ and the pressure is 1.0 bar, what will happen to the volume of the bubble?

Cyclopropane and oxygen at partial pressures $170$ torr and $570$ torr respectively are mixed in a gas cylinder. What is the ratio of the number of moles of cyclopropane to the number of moles of oxygen  $\left(\frac{{\mathrm{nC}}_3{\mathrm{H}}_6}{{\mathrm{nO}}_2}\right)?$ (Assume no reaction).

The correct value of the gas constant is close to:

If $\mathrm{P}, \mathrm{V}, \mathrm{M}, \mathrm{T} \mathrm{and} \mathrm{R}$ are pressure, volume, molar mass, temperature and gas constant respectively, then for an ideal gas, the density is given by

If $P,V,M, T \mathrm{and} R$ are pressure, volume, molar mass, temperature and gas constant respectively, then for an ideal gas, the density is given by

The density of the gaseous mixture in a vessel $\left({\mathrm{N}}_2\mathrm{ }\mathrm{and}\mathrm{ }\mathrm{He}\right)$ at 2.1 atmosphere and 310 K is 1.35 g/litre. If a small pin-hole is made on the wall of the vessel, through which gases effuse, then which of the following is the correct composition of the gases He and ${\mathrm{N}}_2$   effusing out initially?

A $10.0 \mathrm{L}$ flask contains $64 \mathrm{g}$ of oxygen at $27°\mathrm{C}$. (Assume ${\mathrm{O}}_2$ gas is behaving ideally). The pressure inside the flask in bar is

(Given $\mathrm{R}=0.0831 \mathrm{L} \mathrm{bar} {\mathrm{K}}^{-1}{ \mathrm{mol}}^{-1}$)

Internal energy of $n_1$ mol of hydrogen of temperature $T$ is equal to the internal energy of $n_2$ mol of helium at temperature $2T$. The value of $\frac{10n_1}{n_2}$ is

At STP, $5.6$ litre of a gas weighs $60\mathrm{ }\mathrm{g}$. The vapour density of gas is -

A balloon filled with an air sample occupies $3 \mathrm{L}$ volume at $35°\mathrm{C}.$ On lowering the temperature to $\mathrm{T},$ the volume decreases to $2.5 \mathrm{L}.$ The temperature $\mathrm{T}$ is? [Assume P constant]

When a perfect gas at $27°\mathrm{C}$ is heated, at a constant pressure, to a final temperature of $327°\mathrm{C}$. then the volume of the gas increases to_________ times the original.

Pressure of $1 \mathrm{g}$ ideal gas $\mathrm{X}$ at $300 \mathrm{K}$ is $2 \mathrm{atm}.$ When $2\mathrm{g}$ of another gas $\mathrm{Y}$ is introduced in the same vessel at same temperature, the pressure become $1 \mathrm{atm}.$ The correct relationship between molar mass of $\mathrm{X}$ and $\mathrm{Y}$ is $\_\_\_$

For formation of $3.40 \mathrm{g}$ of ammonia gas, what volumes of hydrogen gas and nitrogen gas, respectively, are required at $\mathrm{NTP}$ conditions?

The graph between P and T according to Gay lussac's law is a

Choose the correct option for the total pressure (in atm.) in a mixture of $4\mathrm{g} {\mathrm{O}}_2$ and $2\mathrm{g} {\mathrm{H}}_2$ confined in a total volume of one litre at $0°\mathrm{C}$ is

[Given $\mathrm{R}=0.082 \mathrm{L} \mathrm{atm} {\mathrm{mol}}^{-1}{\mathrm{K}}^{-1}, \mathrm{T}=273 \mathrm{K}$]

Choose the correct option for graphical representation of Boyle's law, which shows a graph of pressure vs. volume of a gas at different temperatures:

$10 {\mathrm{dm}}^3 \mathrm{of} {\mathrm{N}}_2$ gas and $10 {\mathrm{dm}}^3$of gas $\mathrm{X}$ at the same temperature contains the same number of molecules. The gas $\mathrm{X}$ is

Pure ${\mathrm{SO}}_2$ is stored in a tank of $100 \mathrm{L}$ capacity at $2 \mathrm{atm}$ pressure and ${367}^{\circ }\mathrm{C}$. What will be the mass of the gas?

A container contains a certain gas of mass $\mathrm{m}$ at high pressure. A little amount of the gas has been allowed to escape from the container and after some time, the pressure of the gas becomes half and its absolute temperature two-third. The mass of the gas escaped is