States of Matter

A force of $450$ N acts on a surface area of $15$ cm$^2$. Find the pressure exerted?

Calculate the pressure in atm of 48 g oxygen gas in a $2\ \text{dm}^3$ container at $27\ ^\circ\text{C}$. [$R = 0.0821\ \text{atm dm}^3\ \text{K}^{-1}\ \text{mol}^{-1}$]

A bubble of air is underwater at temperature $15\ ^\circ\text{C}$ and the pressure $1.5\ \text{bar}$. If the bubble rises to the surface where the temperature is $25\ ^\circ\text{C}$ and the pressure is $1.0\…

The volume occupied by a given mass of gas at $298$ K is $35$ mL at $1$ atmospheric pressure. Calculate the volume of the gas if pressure is decreased to $0.75$ atmosphere at constant temperature?

Calculate the work done terms of dm$^3$ bar when $200$ ml of ethylene gas and $150$ ml of HCl gas were allowed to react at $1$ bar pressure?

Find the number of molecules in $0.25\ \text{m}^3$ of the gas at a pressure $2.0 \times 10^2\ \text{kPa}$ and a temperature $300\ \text{K}$. $[R = 8.314\ \text{J K}^{-1}\text{mol}^{-1}]$

Which of the following relations is correct regarding rate of diffusion of a gas?

A steel cylinder of $8$ litres capacity contain hydrogen gas at $12\ \text{atm}$ pressure, At same temperature, how many cycle tubes of $4$ litre capacity at $2\ \text{atmphere}$ can be filled up with this gas ?

Identify false statement about real gas from following ?

The density of a gas at $27^\circ$ C and $1$ atm pressure is $2.6\ \text{g/dm}^3$. What is molar mass of gas? $[R = 0.0821\ \text{L atm K}^{-1}\text{mol}^{-1}]$

If $p, T, \rho$ and $R$ represents pressure, temperature, density and universal gas constant respectively, then the molar mass of the ideal gas is given by

The kinetic energy of a gas molecule is _____ temperature