An ideal gas is allowed to expand in vacuum in rigid insulator container. Choose the correct alternative (s).

An ideal gas is allowed to expand freely against a vacuum in a rigid insulated container. The gas undergoes:

If helium is allowed to expand in vacuum, it liberates heat because

An ideal gas is allowed to expand under adiabatic conditions what is zerofor such a process

When an ideal gas is allowed to expand adiabatically into an evacuated container which of the following is not equal to zero?

When an ideal gas is suddenly allowed to expand adiabatically into an evacuated container, then

An ideal gas undergoes isothermal process from some initial state i to final state f. Choose the correct alternatives.