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Physics
Classical Physics
Thermodynamics
Thermodynamic Process: Is Work Conserved?
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[QUOTE="Charles Link, post: 5671453, member: 583509"] Yes. And if you will notice, for the two isotherms ## \Delta U=0 ## and for the transitions on the two isobars, ## \Delta U_1=-\Delta U_2 ##. ## \\ ## Editing... perhaps we haven't proved yet that ## \Delta (PV) ## is equal and opposite for these two cases...but that is obvious because on one isotherm, ## PV=nRT_1 ## and on the other isotherm ## PV=nRT_2 ##.Thereby ## \Delta (PV)=nR \Delta T ## and ## \Delta U=\frac{3}{2} nR \Delta T ## or ## \Delta U=\frac{5}{2} nR \Delta T ##. [/QUOTE]
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Forums
Physics
Classical Physics
Thermodynamics
Thermodynamic Process: Is Work Conserved?
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