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

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

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter16: Thermodynamics
Section: Chapter Questions
Problem 56E: Nitric acid, HNO3, can be prepared by the following sequence of reactions:...
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2. Use Hess's law and the following set of reactions: a) N2H4 (1) + 02 (1) b) H2(g) H2 (g) + O2 (g) → H2O (1) N2 (g) + 2H2O (1) AH=-622.2 kJ AH=-285.8 kJ AH=-187.8 kJ c) H2(g) + O2 (g) → H2O2 (1) to calculate the AH for the reaction N2H4 (1) + 2H2O2 (1) >N2 (g) + 4H2O (1) Solution:
Transcribed Image Text:2. Use Hess's law and the following set of reactions: a) N2H4 (1) + 02 (1) b) H2(g) H2 (g) + O2 (g) → H2O (1) N2 (g) + 2H2O (1) AH=-622.2 kJ AH=-285.8 kJ AH=-187.8 kJ c) H2(g) + O2 (g) → H2O2 (1) to calculate the AH for the reaction N2H4 (1) + 2H2O2 (1) >N2 (g) + 4H2O (1) Solution:
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