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Question

Calculate the free energy change for the dissociation of potassium nitrate in water at 298K. (given: delta H = 34 KJ/mol, delta S = 0.116KJ/K/mol)

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Solution

Free energy =G = H - (TS)
=G=34x10³-(298x0.116x10³)
G=34000-(34568)
G=568joule

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