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AP Physics 2
9.4 The First Law of Thermodynamics
9.2 The Ideal Gas Law
IntermediateMCQMathematicalConceptual25.2k
PV diagram of a two-step thermodynamic process for an ideal gas sample.
PV diagram of a two-step thermodynamic process for an ideal gas sample.
A sample of an ideal gas undergoes a two-step thermodynamic process \(1 \rightarrow 2 \rightarrow 3\), as shown in the \(PV\) diagram. Process \(1 \rightarrow 2\) is an isobaric expansion, and process \(2 \rightarrow 3\) is an isochoric cooling. What is the net change in internal energy \(\Delta U\) of the gas for the entire process \(1 \rightarrow 2 \rightarrow 3\)?

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