Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.45QE
Related questions
Question
![30. The process for preparing dibromoethane is given in the reaction equation below.
Using the bond energies listed, determine the enthalpy change (AH) for this reaction.
H H
нн
+ Brz(2)
Br-С - С-Br e
AH = ? kJ
c=C@
нн
нн
Bond
Bond Energy (kJ/mol)
С-Н
411
C=C
602
Br-Br
190
С-Br
285
C-C
346
| Select )
[ Select
+ 36 kJ
-124 kJ
+ 124 kJ
+ 78 kJ
- 78 kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F66173c1a-f883-4b2a-9c4a-34112153fb2f%2Fc1b4c3ea-f6fb-4fff-8090-6cb909195f31%2Fqmb1uiq_processed.png&w=3840&q=75)
Transcribed Image Text:30. The process for preparing dibromoethane is given in the reaction equation below.
Using the bond energies listed, determine the enthalpy change (AH) for this reaction.
H H
нн
+ Brz(2)
Br-С - С-Br e
AH = ? kJ
c=C@
нн
нн
Bond
Bond Energy (kJ/mol)
С-Н
411
C=C
602
Br-Br
190
С-Br
285
C-C
346
| Select )
[ Select
+ 36 kJ
-124 kJ
+ 124 kJ
+ 78 kJ
- 78 kJ
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