For a mole of ideal gas at T = 35 ºC, what is the work done for an isothermal expansion from a
volume V0 to 10V0
Isothermal expansion work equals
A=ν⋅R⋅T⋅lnV2V1A=\nu\cdot R \cdot T \cdot \ln{\frac{V_2}{V_1}}A=ν⋅R⋅T⋅lnV1V2
Where
ν=1mole\nu=1 moleν=1mole
R=8.814J/mole⋅KR=8.814J/mole \cdot KR=8.814J/mole⋅K
T=273+35=308KT=273+35=308KT=273+35=308K
V1=V0V_1=V_0V1=V0
V2=10V0V_2=10V_0V2=10V0
Then
A=1⋅8.314⋅308⋅ln10V0V0=2561⋅ln(10)=5896JA=1\cdot 8.314 \cdot 308 \cdot \ln{\frac{10V_0}{V_0}}=2561 \cdot\ln{(10)}=5896JA=1⋅8.314⋅308⋅lnV010V0=2561⋅ln(10)=5896J
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