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AP Physics 2
9.6 Entropy and the Second Law of Thermodynamics
IntermediateMCQConceptual18.2k
Thermal energy transfer Q between two constant-temperature reservoirs.
Thermal energy transfer Q between two constant-temperature reservoirs.
A thermal energy of \(600\text{ J}\) transfers spontaneously by conduction from a hot reservoir kept at a constant temperature of \(400\text{ K}\) to a cold reservoir kept at a constant temperature of \(300\text{ K}\), as shown in the diagram. Which of the following correctly compares the magnitude of the entropy change of the cold reservoir \(|\Delta S_{\text{cold}}|\) to that of the hot reservoir \(|\Delta S_{\text{hot}}|\), and states the net change in the entropy of the universe \(\Delta S_{\text{univ}}\)?

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