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Problem: How much work is done on the gas in the process shown in the figure?

FREE Expert Solution

Work done ON a gas:

W=-P·V

1Pa=1N/m2

For an expansion work done is negative while for compression work done is positive. 

The change in volume form i to f represents an expansion. Thus, the work done is negative. 

To get the magnitude of the work done we'll sum the area of the shapes (rectangle and triangle) under the curve. 

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How much work is done on the gas in the process shown in the figure?

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