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calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamically possible

calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamically possible

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2 Answers

Chetan Mandayam Nayakar
312 Points
9 years ago

free energy change=enthalpy change-298(entropy change)

reaction is thermodynamically possible if free energy change is negative.

lokesh soni
37 Points
9 years ago

delta g=51.8816kj-298*166.15/1000kj

delta g=2.3689

since delta g is +ve therefore this reaction is not themodynamically possible

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