Consider the reaction: 2 NO2 (g) = N204 (g). The standard-state enthalpies of formation (AH;^) for NO2(g) and N204(g) are +33.2 and +9.2 kJ mol-1, respectively. The third law entropies (S°) for NO2la) and N,04lg) are 240.1 and 98.0 J K-1 mol-1, respectively. a) What is the value of AG° for this reaction? b) What is the equilibrium constant (K) for the reaction at 25 °C? c) What is the value of K for the same reaction at -25 °C? d) What is AG for the reaction at 25 °C when both gases initially exist at 2.2 atm pressure?

Consider the reaction: 2 NO2 (g) = N204 (g). The standard-state enthalpies of formation (AH;^) for NO2(g) and N204(g) are +33.2 and +9.2 kJ mol-1, respectively. The third law entropies (S°) for NO2la) and N,04lg) are 240.1 and 98.0 J K-1 mol-1, respectively. a) What is the value of AG° for this reaction? b) What is the equilibrium constant (K) for the reaction at 25 °C? c) What is the value of K for the same reaction at -25 °C? d) What is AG for the reaction at 25 °C when both gases initially exist at 2.2 atm pressure?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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