Concept explainers
An ideal gas at a given state expands to a fixed final volume first at constant pressure and then at constant temperature. For which case is the work done greater?
Which case had greater work done in an ideal gas at a given state which expands to a fixed volume at constant pressure then at constant temperature.
Explanation of Solution
Refer to Figure 4-3, the boundary work which is equal to
Write the equation of area under the process curve of
Here, pressure is P, change in the volume is
From above equation, the constant pressure case had a greater work done.
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