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The bond energies are:

Use the equation to help you calculate the heat of combustion of ethylene, C2H4. The bond energies are: C H 416 kJ/mol; C C 356 kJ/mol; C C 598 kJ/mol; O O 498 kJ/mol; C O 803 kJ/mol; H O 467 kJ/mol.

The heat of combustion of ethylene is
Answer +220 kJ/mol.
+1216 kJ/mol.
-754 kJ/mol.
-1324 kJ/mol.

This question was asked on Mar 20, 2011.

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