2) Calculate AH for the reaction below using Hess' law. Light and the ctron AH=? C¿H6(g) → C2H2(g) + H2(g) AH = -1300 kJ C2H2(g) +5/2O2(g) → 2CO2(g) + H2O(1) 2H2(g) + O2(g) → 2H2O(1) AH = -572 kJ 2C2H6(g) + 702(g) → 4CO2(g) + 6H2O(1) AH = -3120 kJ
2) Calculate AH for the reaction below using Hess' law. Light and the ctron AH=? C¿H6(g) → C2H2(g) + H2(g) AH = -1300 kJ C2H2(g) +5/2O2(g) → 2CO2(g) + H2O(1) 2H2(g) + O2(g) → 2H2O(1) AH = -572 kJ 2C2H6(g) + 702(g) → 4CO2(g) + 6H2O(1) AH = -3120 kJ
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 44E: Are the following processes exothermic or endothermic? a. the combustion of gasoline in a car engine...
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![2) Calculate AH for the reaction below using Hess' law.
C2H6(g) → C2H2(g) + H2(g)
AH=?
C2H2(g) +5/202(g) → 2CO2(g)+H2O(1)
AH = -1300 kJ
2H2(g) + O2(g) → 2H2O(1)
AH = -572 kJ
2C2H6(g) + 702(g) → 4CO2(g) + 6H2O(1)
AH = -3120 kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8afd0d81-b600-43c4-8ddc-40cdc28aeee7%2F11d3a9a2-c725-4483-8853-c902a1708db0%2F346cus_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2) Calculate AH for the reaction below using Hess' law.
C2H6(g) → C2H2(g) + H2(g)
AH=?
C2H2(g) +5/202(g) → 2CO2(g)+H2O(1)
AH = -1300 kJ
2H2(g) + O2(g) → 2H2O(1)
AH = -572 kJ
2C2H6(g) + 702(g) → 4CO2(g) + 6H2O(1)
AH = -3120 kJ
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