Chapter five (chm 140 bl 14e)
problem 5.84
8 of 9
review | constants | periodic table
use bond enthalpies in the table below to estimate δh for each of the following reactions

.
average bond enthalpies (kj/mol)
c−h413 n−h391 o−h463 f−f155
c−c348 n−n163 o−o146
c=c614 n−o201 o=o495 cl−f253
c−n293 n−f272 o−f190 cl−cl242
c−o358 n−cl200 o−cl203 br−f237
c=o799 n−br243 o−i234 br−cl218
c−f485 h−h436 br−br193
c−cl328 h−f567
c−br276 h−cl431 i−cl208
c−i240 h−br366 i−br175
h−i299 i−i151
part a
chbr3 plus cl2 goes to cclbr3 plus hcl.

express your answer in kilojoules to 3 significant figures.