Asked by jordan
The Second Law of Thermodynamics states that:
heat can be transferred, unaided, from a hot substance to a cold substance
heat supplied and work done are the same thing
external work is required to transfer heat from a hot substance to a cold substance
the internal energy can be used to perform work
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Correct answer: "heat can be transferred, unaided, from a hot substance to a cold substance."
Explanation: The Clausius form of the Second Law says heat does not spontaneously flow from a colder body to a hotter one (equivalently, without external work heat flows from hot to cold). The Second Law also introduces the concept of entropy and limits on converting heat fully to work (Kelvin–Planck statement), so the other options are incorrect.
Explanation: The Clausius form of the Second Law says heat does not spontaneously flow from a colder body to a hotter one (equivalently, without external work heat flows from hot to cold). The Second Law also introduces the concept of entropy and limits on converting heat fully to work (Kelvin–Planck statement), so the other options are incorrect.
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