An isobaric process occurs at constant pressure. Since the pressure is constant, the force exerted is constant and the work done is given as PΔV. An isobaric expansion of a gas requires heat transfer to keep the pressure constant.

What makes a process isobaric?

An isobaric process is a thermodynamic process in which the pressure remains constant. This is usually obtained by allowing the volume to expand or contract in such a way to neutralize any pressure changes that would be caused by heat transfer.

What do you mean by isobaric?

1 : of or relating to an isobar. 2 : characterized by constant or equal pressure an isobaric process.