The amount of work done by a gas when expanding can be determined by multiplying the final volume and external pressure.

Name: The amount of work done by a gas when expanding can be determined by multiplying the final volume and external pressure.
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Quizplus · Accepted Answer

The work done by a gas during expansion is determined by the integral of the pressure with respect to volume, often simplified to PΔV (pressure times change in volume) for an isobaric process, not the final volume multiplied by the external pressure.

The Amount of Work Done by a Gas When Expanding