D. FOLLOW THE RULES OF THE LAW Use Hess' Law in determining the change in enthalpy of the chemical reaction. Follow the steps that you have learned in this module. Use a separate sheet in writing your answer. Calculate the standard enthalpy of formation, AH° for NO2 (9), produced from NO(g) and O(g) according to the following reaction: NO (9) + O (g) –→ NO2 (g) Reactions: + O2 (s) AH° = -198.9 kJ NO + Os (e → NO2 (g O3 → 3/2 02 (8 AH° = -142.3 kJ (e) 20 AH° = 495.0 kJ O2 (e) NO + O NO2 (2) (g) AH° = ? (2)

D. FOLLOW THE RULES OF THE LAW Use Hess' Law in determining the change in enthalpy of the chemical reaction. Follow the steps that you have learned in this module. Use a separate sheet in writing your answer. Calculate the standard enthalpy of formation, AH° for NO2 (9), produced from NO(g) and O(g) according to the following reaction: NO (9) + O (g) –→ NO2 (g) Reactions: + O2 (s) AH° = -198.9 kJ NO + Os (e → NO2 (g O3 → 3/2 02 (8 AH° = -142.3 kJ (e) 20 AH° = 495.0 kJ O2 (e) NO + O NO2 (2) (g) AH° = ? (2)

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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