Given that the bond energy of N2 is 946 kJ/mole, the bond energy of O2 is 498 kJ/mole and the NO bond energy is 631 kJ/mole, how much energy is required to react 1 mole of nitrogen molecules according to the following reaction? N2 + O2 ? 2 NO
A) 182 kJ
B) -182 kJ
C) 813 kJ
D) -813 kJ
E) 2075 kJ
A
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