For a certain process, at 319 K, ΔG = -16.5 kJ and ΔH = -5.00 kJ. If the process is carried out in such a way that no useful work is performed, what is ΔG?

Name: For a certain process, at 319 K, ΔG = -16.5 kJ and ΔH = -5.00 kJ. If the process is carried out in such a way that no useful work is performed, what is ΔG?
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Question

Quizplus · Accepted Answer

ΔG = ΔH - TΔS, where T is the temperature and ΔS is the change in entropy. If no useful work is performed, then ΔS = 0. Therefore, ΔG = ΔH, which is -5.00 kJ in this case.

For a Certain Process, at 319 K, ΔG = -16