Problem: The thermochemical reaction for the combustion of 1 mole of methane is given below. From the enthalpy and the bond dissociation enthalpies (given below), determine the bond dissociation enthalpy of the C=O in CO2.CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (g)           ΔH = -669.68 kJ [ΔH(C-H) = 418.0 kJ/mol ; ΔH(O=O) = 498.7 kJ/mol ; ΔH(H-O) = 464.0 kJ/mol.]a) 741.54b) 881.88c) 1088.51d) 1117.99

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The thermochemical reaction for the combustion of 1 mole of methane is given below. From the enthalpy and the bond dissociation enthalpies (given below), determine the bond dissociation enthalpy of the C=O in CO2.

CH(g) + 2 O(g) → CO(g) + 2 H2O (g)           ΔH = -669.68 kJ 

[ΔH(C-H) = 418.0 kJ/mol ; ΔH(O=O) = 498.7 kJ/mol ; ΔH(H-O) = 464.0 kJ/mol.]

a) 741.54

b) 881.88

c) 1088.51

d) 1117.99

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