Problem: Ethane, a minority component of natural gas, burns to form carbon dioxide and water according to this reaction: 2 H3C-CH3(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(g). Note that the average bond energy for the breaking of a bond in CO2 is 799 kJ/mol. Use average bond energies to calculate ΔHrxn for this reaction.

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Ethane, a minority component of natural gas, burns to form carbon dioxide and water according to this reaction: 2 H3C-CH3(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(g). Note that the average bond energy for the breaking of a bond in CO2 is 799 kJ/mol. Use average bond energies to calculate ΔHrxn for this reaction.

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