richardmulindwa37 richardmulindwa37

12-01-2022
Engineering

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10 litres of an ideal gas at 27°C and 12atm pressure is isothermally and reversibly expanded to a final pressure of 3atm.Calculate the work done

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nuralfaqih nuralfaqih

12-01-2022

Known :

V1 = 10 L

T1 = 27°C

P1 = 12 atm

P2 = 3 atm

Solution :

Work done in the process

W = P1 • V1 ln (P1 / P2)

W = (12 atm) • (10 L) ln (12 / 3)

W = 166.35 L • atm

W = 168.55 kJ

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