Figure 2 shows the displayed equation for the complete combustion of propane. Figure 2
Η Η Η
30=CEO + 4H-0-H
H-C-C-C-H + 50=0
| |
H Η Η
The table below shows bond energies.
Bond
Bond energy in kJ/mol
C-C
347
C-H
413
O=0
495
C=0
799
O-H
467
Calculate the overall energy change in kJ/mol for the reaction.