Use the Bond Enthalpy Data Given to Estimate the Heat

question 36

Multiple Choice

Use the bond enthalpy data given to estimate the heat released when 50.0 g of propane gas, C₃H₈, burns in excess oxygen to yield carbon dioxide and water vapor at 25°C. BE(C-C) = 347 kJ/mol
BE(C=O in CO₂) = 799 kJ/mol
BE(C-H) = 414 kJ/mol
BE(O-H) = 460 kJ/mol
BE(O=O) = 498.7 kJ/mol

• A)1360 kJ
• B)1540 kJ
• C)1970 kJ
• D)2240 kJ
• E)2370 kJ

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