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)
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Chapter16: Thermodynamics
Section: Chapter Questions
Problem 56E: Nitric acid, HNO3, can be prepared by the following sequence of reactions:...
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Question
![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:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faea31406-8331-46b4-b772-4173d54df3a1%2F5ac61c1e-84f3-4583-8580-8d4701a76428%2Fe5yvrq_processed.jpeg&w=3840&q=75)
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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