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Estimate the Enthalpy Change for the Combustion of One Mole ≡\equiv

Question 109

Multiple Choice

Estimate the enthalpy change for the combustion of one mole of acetylene, C2H2, to form carbon dioxide and water vapor.
BE(C-H) = 456 kJ/mol
BE(C ≡\equiv C) = 962 kJ/mol
BE(O=O) = 499 kJ/mol
BE(C=O) = 802 kJ/mol
BE(O-H) = 462 kJ/mol


A) +1010 kJ/mol
B) +653 kJ/mol
C) -155 kJ/mol
D) -1010 kJ/mol
E) -1759 kJ/mol

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