Problem: A particular reaction has ΔG = –350 kJ and ΔS = –350J/K.How much heat cannot be converted to work?

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Given: ΔG = –350 kJ (ΔG < 0) → spontaneous

ΔS = –350 /KJ (ΔS < 0) → order of the system is increasing


This means W < Q since some of the heat cannot be converted to work. At constant P, Q = ΔH.

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A particular reaction has ΔG = –350 kJ and ΔS = –350J/K.

How much heat cannot be converted to work?

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