Transcribed Image Text: Appendix 2: Table of Average Bond Energies (kJ mol·!) Single Bonds H C N F Si P Br

Excerpt
Image Text: Based on the bond energies listed in the Appendix, what is the approximate enthalpy change for the reaction: cyclopropane + Br2 → 1,3-dibromopropane O 166 kJ mol-1 O -166 kJ mol-1 O 31 kJ mol-1 O -252 kJ mol-1 O -31 kJ mol-1

Transcribed Image Text: Appendix 2: Table of Average Bond Energies (kJ mol·!)
Single Bonds
H
C N
F
Si
P
Br
I
436
413
391
463
565
328
322
347
432
366
299
346
305
358
485
272
339
285
213
N
163
201
283
192
146
452
335
218
201
201
F
155
565
490
284
253
249
278
Si
222
293
381
310
234
P
201
326
184
226
255
242
216
208
Br
193
175
151
Multiple Bonds
N=N
418
C=C
610
N=N
945
C=C
835
C=N
615
C=0
745
C=N
887
C=0
1046
0=0 (in 02)
498 Transcribed Image Text: Based on the bond energies listed in the Appendix, what is the approximate
enthalpy change for the reaction:
cyclopropane + Br2 → 1,3-dibromopropane
O 166 kJ mol-1
O -166 kJ mol-1
O 31 kJ mol-1
O -252 kJ mol-1
O -31 kJ mol-1

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