Use the following bond energies to estimate the enthalpy change for the combustion of one mole of methane (CH4). Hint: You will need to write a balanced equation and draw Lewis structures to solve this problem.
Bond Bond energy (kJ/mol)
C−H 414
O−O 142
O−−O 498
C−−O 736
C−O 360
O−H 464
(a) 388 kJ
(b) 676 kJ
(c) - 676 kJ
(d) - 388 kJ
(e) - 776 kJ
Answer: -676 kj