89. Common bond energies The table below lists the average bond energies that you would need to determine reaction entha

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89. Common bond energies The table below lists the average bond
energies that you would need to determine reaction enthalpies. Bond
Bond energy (kJ/mol) Bond Bond energy (kJ/mol) C−C 347 C−H 414 C=C
611 C≡C 837 H−H 436 C−O 360 N=N 418 N−H 389 N≡N 946 O−H 464 O=O 498
C=O 736* * Bond energy in CO2 is equal to 799 kJ/mol.
Use bond energies to calculate the enthalpy of combustion of
methanol in kJ/mol. Express your answer as an integer and
include the appropriate units