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Forums
Physics
Classical Physics
Thermodynamics
Adiabatic expansion work far exceeds isobaric of same volume, why?
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[QUOTE="Chestermiller, post: 6852779, member: 345636"] In the adiabatic reversible case, the gas within the cylinder is only slightly removed from thermodynamic equilibrium along the entire process path, so the force per unit area on the inside face of the piston is described in this situation by the ideal gas law: $$dW=P_{ext}dV=\frac{nRT}{V}dV$$Note that this means that the external pressure ##P_{ext}## must be forced to change as a function of volume in the adiabatic reversible case. [/QUOTE]
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Forums
Physics
Classical Physics
Thermodynamics
Adiabatic expansion work far exceeds isobaric of same volume, why?
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