When bond energies/enthalpies are involved:
ΔHrxn = ΔHreactants - ΔHproducts
Calculate ΔHo for the following reaction using the given bond dissociation energies
CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
BOND ΔH o (kJ/mol)
Is the reaction endothermic or exothermic?
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