For isothermal free expansion of an ideal gas-

For an isothermal free expansion of an ideal gas,

In isothermal free expansion of an ideal gas find the value of q and DeltaU.

How much work is done in an irreversible isothermal free expansion of an ideal gas in vacuum ?

Statement-1 : The amount of heat change during the isothermal free expansion of an ideal gas is zero. Statement-2: There are no intermolecular forces of attraction among the gas molecules, in case of real gas at given pressure.

For the isothermal expansion of an ideal gas