The values of delta Horxn and delta Sorxn for the reaction 2 NO(g) + O2(g) --> 2NO2(g) are -12kJ and -146J/K, respectively. a) Use these values to calculate delta Gorxn at 298K. b) Explain why the value of delta Gorxn is negative

The values of delta Horxn and delta Sorxn for the reaction 2 NO(g) + O2(g) --> 2NO2(g) are -12kJ and -146J/K, respectively. a) Use these values to calculate delta Gorxn at 298K. b) Explain why the value of delta Gorxn is negative

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter16: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 48E

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Question

The values of delta H^o_rxnand delta S^o_rxn for the reaction

2 NO(g) + O₂(g) --> 2NO₂(g) are -12kJ and -146J/K, respectively.

a) Use these values to calculate delta G^o_rxnat 298K.

b) Explain why the value of delta G^o_rxnis negative.

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