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Hess Law 2. Use Hess's law and the following set of reactions: a) N2H4 (1) + 02 (1) N2 (g) + 2H2O (1) b) H2 (g) + 1/2 O2 (g) ->>> H2O (1) c) H2 (g) O2 (g) → H2O2 (1) to calculate the AH for the reaction N2H4 (1) + 2H2O2 (1) → N2 (g) -> + 4H2O (1) Solution: AH=-622.2 kJ AH = -285.8 kJ AH=-187.8 kJ

Hess Law 2. Use Hess's law and the following set of reactions: a) N2H4 (1) + 02 (1) N2 (g) + 2H2O (1) b) H2 (g) + 1/2 O2 (g) ->>> H2O (1) c) H2 (g) O2 (g) → H2O2 (1) to calculate the AH for the reaction N2H4 (1) + 2H2O2 (1) → N2 (g) -> + 4H2O (1) Solution: AH=-622.2 kJ AH = -285.8 kJ AH=-187.8 kJ

Chemistry
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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Hess Law 2. Use Hess's law and the following set of reactions: a) N2H4 (1) + 02 (1) N2 (g) + 2H2O (1) b) H2 (g) + 1/2 O2 (g) ->>> H2O (1) c) H2 (g) O2 (g) → H2O2 (1) to calculate the AH for the reaction N2H4 (1) + 2H2O2 (1) → N2 (g) -> + 4H2O (1) Solution: AH=-622.2 kJ AH = -285.8 kJ AH=-187.8 kJ
Transcribed Image Text:Hess Law 2. Use Hess's law and the following set of reactions: a) N2H4 (1) + 02 (1) N2 (g) + 2H2O (1) b) H2 (g) + 1/2 O2 (g) ->>> H2O (1) c) H2 (g) O2 (g) → H2O2 (1) to calculate the AH for the reaction N2H4 (1) + 2H2O2 (1) → N2 (g) -> + 4H2O (1) Solution: AH=-622.2 kJ AH = -285.8 kJ AH=-187.8 kJ
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