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The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted, using the bond energy data provided below. Bond energy (kJ/mol): C-O, 358; C-H, 413; O=O, 498; C=O, 732; O-H, 463 A. 275 kJ/mol B. -1018 kJ/mol C. 346 kJ/mol D. -188 kJ/mol E. -509 kJ/mol

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