Table 7.1 Average Bond Dissociation Energies Bond Dissociation Bond Dissociation Bond Dissociation Energy kcal/mol (kJ/mol) Energy kcal/mol (kJ/mol) Energy Bond Bond Bond kcal/mol (kJ/mol) C-H 99 (413) N-H 93 (391) C=C 147 (614) C C 83 (347) N-N 38 (160) C=C 201 (839) C-N 73 (305) N-CI 48 (200) C=0* 178 (745) C-0 86 (358) N-0 48 (201) 119 (498) 0=0 C- CI 81 (339) H-H 103 (432) N=0 145 (607) CI-CI 58 (243) 0-H 112 (467) 0=N 213 (891) H-CI 102 (427) 0-CI 49 (203) N=N 226 (946) *The C=0 bond dissociation energies in CO2 are 191 kcal/mol (799 kJ/mol).
Table 7.1 Average Bond Dissociation Energies Bond Dissociation Bond Dissociation Bond Dissociation Energy kcal/mol (kJ/mol) Energy kcal/mol (kJ/mol) Energy Bond Bond Bond kcal/mol (kJ/mol) C-H 99 (413) N-H 93 (391) C=C 147 (614) C C 83 (347) N-N 38 (160) C=C 201 (839) C-N 73 (305) N-CI 48 (200) C=0* 178 (745) C-0 86 (358) N-0 48 (201) 119 (498) 0=0 C- CI 81 (339) H-H 103 (432) N=0 145 (607) CI-CI 58 (243) 0-H 112 (467) 0=N 213 (891) H-CI 102 (427) 0-CI 49 (203) N=N 226 (946) *The C=0 bond dissociation energies in CO2 are 191 kcal/mol (799 kJ/mol).
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
ChapterL: Let's Review
SectionL.1: Units Of Measurement
Problem 7RC
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Question
- Calculate the ΔH (in kcal/mol) for the reactions (use table above):
a) H2 + O2 → 2 H2O
b) CH4 + 2 O2 → CO2 + 2 H2O
c) 6 CO2 + 6 H2O → C6H16O6 + 6 O2
Transcribed Image Text:Table 7.1 Average Bond Dissociation Energies
Bond Dissociation
Bond Dissociation
Bond Dissociation
Energy
kcal/mol (kJ/mol)
Energy
kcal/mol (kJ/mol)
Energy
Bond
Bond
Bond
kcal/mol (kJ/mol)
C-H
99 (413)
N-H
93 (391)
C=C
147 (614)
C C
83 (347)
N-N
38 (160)
C=C
201 (839)
C-N
73 (305)
N-CI
48 (200)
C=0*
178 (745)
C-0
86 (358)
N-0
48 (201)
119 (498)
0=0
C- CI
81 (339)
H-H
103 (432)
N=0
145 (607)
CI-CI
58 (243)
0-H
112 (467)
0=N
213 (891)
H-CI
102 (427)
0-CI
49 (203)
N=N
226 (946)
*The C=0 bond dissociation energies in CO2 are 191 kcal/mol (799 kJ/mol).
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