What is the ?grxn of the reaction

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Reference no: EM13705499

Question- What is the ?Grxn of the reaction below at 25C when [NO2-]=[H3O+]=1x10^-5 M and [HNO2] = 1M? Will the reaction be spontaneous or non-spontaneous?

HNO2(aq)+H2O(l) --> H3O+(aq) + NO2-(aq)

I got 57.05KJ/mol however this is not the answer. I used ?G = -RT ln(k). Did I use the incorrect equation?

The answer was -38.5 kJ/mol, spontaneous. What might have perhaps gone wrong?

Reference no: EM13705499

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