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A gas expands from 75 litre to 125 litre...

A gas expands from 75 litre to 125 litre at a constant pressure of 4 atm. Calculate the work done by the gas during this expansion.

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Work done `=PDeltaV=4xx1.013xx10^(5)(125-75)10^(-3)J`
=20260 J
`=2.026xx10^(4)J`.
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