1. (2 pts) The following reaction involves the hypothetical element Z: * Z2H4(1) + O2(g) → Z2(s) + 2 H2O(1) Use the following information to calculate AH° for the reaction. 2 ZH3(g) + 3 Z2O(g) → 4 Zz(s) + 3 H₂O(1) AH°=-953 kJ Z2O(g) +3 H2(g) → Z2H4(1) + H2O(1) AH°=-482 kJ 4 ZH3(g) + O2(g) → 2 Z2H4(1) +2 H₂O(1) AH°=-162 kJ AH° of H2O(l) = -285.8 kJ/mol

1. (2 pts) The following reaction involves the hypothetical element Z: * Z2H4(1) + O2(g) → Z2(s) + 2 H2O(1) Use the following information to calculate AH° for the reaction. 2 ZH3(g) + 3 Z2O(g) → 4 Zz(s) + 3 H₂O(1) AH°=-953 kJ Z2O(g) +3 H2(g) → Z2H4(1) + H2O(1) AH°=-482 kJ 4 ZH3(g) + O2(g) → 2 Z2H4(1) +2 H₂O(1) AH°=-162 kJ AH° of H2O(l) = -285.8 kJ/mol

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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