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Calculate the amount of work done when one mole of an ideal gas present in a bulb 0f 5liters capacity at one atmosphere pressure is allowed to enter into an evacuated bulb of 50liters capacity

Calculate the amount of work done when one mole of an ideal gas present in a bulb 0f 5liters capacity at one atmosphere pressure is allowed to enter into an evacuated bulb of 50liters capacity

Grade:12

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
8 years ago
work done can be calculated if we consider it as an isothermal reversible process
initial condition,PV=nRT,
1×5=1×.0821×T
T=60.9K
Now workdone in an isothermal reversible process= -2.303nRTlog V2/V1
-2.303×1×.0821×60.9log 50/5
=-140.25 joule(negative sign because work is done by the system)

thanks and regard
sunil kumar
ask iitian faculty

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