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AP Physics 2
9.4 The First Law of Thermodynamics
9.2 The Ideal Gas Law
AdvancedMCQMathematicalConceptual20.3k
PV diagram showing two alternative pathways from state i to state f.
PV diagram showing two alternative pathways from state i to state f.
A sample of an ideal gas is taken from an initial equilibrium state i to a final equilibrium state f along two different reversible pathways, Path 1 (i to X to f) and Path 2 (i to Y to f), as shown in the PV diagram. Path 1 consists of an isobaric expansion followed by an isochoric pressure reduction, while Path 2 consists of an isochoric pressure reduction followed by an isobaric expansion. Which of the following statements correctly compares the thermodynamic quantities for the two processes?

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