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

question 26

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

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