Question

A)
Use the reaction to complete the sentence:
2CO + 0
à
2CO
Carbon monoxide and oxygen combine to produce carbon dioxide. The total bond energy ofthe products is 2,944 kJ. The bond energy of each carbon-oxygen double bond in carbondioxide is _______.
(1 point)
2
2
368 kJ
736 kJ
1472 kJ
2944 kJ

Answer 1

Each CO2 has two C=O bonds, and there are 2 CO2 molecules → 4 C=O bonds total.
Bond energy per C=O = 2944 kJ ÷ 4 = 736 kJ.

Answer: 736 kJ.