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AP Physics 2
9.4 The First Law of Thermodynamics
9.2 The Ideal Gas Law
AdvancedMCQMathematicalConceptual18.5k
Pressure vs. volume diagram for three expansion paths from initial state i.
Pressure vs. volume diagram for three expansion paths from initial state i.
A sample containing a fixed number of moles of an ideal gas is initially in state i with pressure \(P_0\), volume \(V_0\), and absolute temperature \(T_0\). In three separate quasi-static experiments, the gas expands to a final volume of \(2V_0\) along three different paths:

Path 1: An isobaric expansion
Path 2: An isothermal expansion
Path 3: An adiabatic expansion

Which of the following correctly ranks the magnitude of the change in internal energy, \(|\Delta U|\), of the gas for the three processes?

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