Work is the energy transferred as a force act's on a system through a distance.

The most common form of mechanical work is the boundary work, which is the work

associated with the expansion and compression of substances.

Prove the importance of expressions of work done in the following thermodynamic

processes by applying the first principles:

General

Isobaric process

Polytropic process

Isothermal process of an ideal gas

Adiabatic process of an ideal gas