Calculate the work done when 56 gm `N_2` gas (ideal) at `28^@C` expands from 10 atm pressure to 2 atm pressure.

Calculate the work done when 1 mol of water vaporises at 100^(@)C and 1 atm pressure. Assume water vapour behaves like an ideal gas.

What amount of work is done if an ideal gas expands from 10 L of 20 L at 2 atm pressure?

Calculate (1) the enthalpy change in the fusion of 100 g ice at 0^(@)C temperature and 1 atm pressure pressure (2) the enthalpy change in the vaporisation of 10g water at 100^(@)C temperature and 1 atm pressure. Givenn : Latent heat of ice at 0^(@)C temperature and 1 atm pressure =6.02kJ*mol^(-1) and latent heat of vaporisation of water at 100^(@)C temperature= 40.4kJ*mol^(-1) .

Calculate the change in internal energy of the gas when it expands from 2L to 8L at a constant pressure of 2 atm absorbing 400 J of heat in the process. (1L *atm=101.35J ).

The pressure of 3 mol of an ideal gas is 10 atm at 27^(@)C . Calculate work done by the gas when it is expanded isothermally against an external pressure of 1 atm.

The number of molecules 67.2 L of a gas at 0^@C and 1 atm pressure is:

Calculate the maximum work done by an ideal gas when pressure on 10 g of H_2 is reduced from 20 to 2 atm at a constant temperature 300 K.

Calculate, DeltaU, W and Q when an ideal gas is compressed at 5 atm pressure from 25 litre to 5 litre at a constant temp of 27^@C .

Calculate the partial pressure of SO_2 in a mixture with 60% CO_2 and total pressure being 4 atm.

A gas confined in a cylinder with a frictionless piston is made to expand from 1L to 5L under constant pressure of 1.5 atm. During the process, 800J of heat is supplied from external source. Calculate the change in internal energy off the gas. (1L*atm=101.3J) .