One mole of oxygen is allowed to expand isothermally and reversibly fr – InterviewSolution

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1.

One mole of oxygen is allowed to expand isothermally and reversibly from 5 m2 to 10 m2a300 K. Calculate the work done in expansion of the gas.

Answer»

w = -nRT ln (Vf/ Vi)

w = -(1 mol)(8.314 JK-1mol-1) (300 K) ln (10 m3/ 5 m3)

= -1728 J

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