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: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 64QRT
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