Question

The equation for the combustion of gaseous methanol is 2 CH3OH(g) + 3 O2(g) -> 2 CO2(g) + 4 H2O(g) Using average bond energies given, estimate the enthalpy change (in kJ mol^-1) of this reaction? Bond | Bond Energy (kJ mol^-1) C-H | 413 C-O | 358 O-H | 463 C=O | 745 O=O | 498 Methanol | Oxygen | Carbon dioxide H | O=O | O=C=O H-C-OH | H

          The equation for the combustion of gaseous methanol is
2 CH3OH(g) + 3 O2(g) -> 2 CO2(g) + 4 H2O(g)
Using average bond energies given, estimate the enthalpy change (in kJ mol^-1) of this reaction?

Bond | Bond Energy (kJ mol^-1)
C-H | 413
C-O | 358
O-H | 463
C=O | 745
O=O | 498

Methanol | Oxygen | Carbon dioxide
H | O=O | O=C=O
H-C-OH |
H

The equation for the combustion of gaseous methanol is
2 CH3OH(g) + 3 O2(g) -> 2 CO2(g) + 4 H2O(g)
Using average bond energies given, estimate the enthalpy change (in kJ mol^-1) of this reaction?

Bond | Bond Energy (kJ mol^-1)
C-H | 413
C-O | 358
O-H | 463
C=O | 745
O=O | 498

Methanol | Oxygen | Carbon dioxide
H | O=O | O=C=O
H-C-OH |
H

Added by Karen D.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert David Collins

08/03/2022

Step 1

- In 2 CH₃OH, there are: - 6 C-H bonds - 2 C-O bonds - 2 O-H bonds - In 3 O₂, there are: - 3 O=O bonds Show more…

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The equation for the combustion of gaseous methanol is 2 CH3OH(g) + 3 O2(g) -> 2 CO2(g) + 4 H2O(g). Using average bond energies given, estimate the enthalpy change (in kJ mol^-1) of this reaction? Bond | Bond Energy (kJ mol^-1) C-H | 413 C-O | 358 O-H | 463 C=O | 745 O=O | 498 Methanol | Oxygen | Carbon dioxide H | O=O | O=C=O H-C-OH | H