Chapter 5, Problem 95AP

Interpretation Introduction

Interpretation:

The work done by the gas if it expands against a vacuum as well as against a constant pressure is to be calculated.

Concept introduction:

The amount of work done by a pressure–volume work process is calculated as follows:

$w=-P\Delta V$

Here, $P$ is the external pressure and $\Delta V$ is the change in volume.

The volume change can be determined using the equation given below:

$\Delta V=V_f-V_i$

Here, $V_f$ is the final volume and $V_i$ is the initial volume.