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