1N₂ +10₂2 NO
NEN
A
In the reaction above, 1,443 kJ/mol of energy was absorbed to break the bonds of N2 and 02. 1,260 kJ/mol of energy was released when the N=O bonds in NO were formed. Use
the formula above to calculate the total bond energy for the reaction. Use the value of the total bond energy for the reaction to decide if the reaction is endothermic or exothermic.
Ο Α.
+ O=O -
Total Bond Energy for Reaction=
Total Bond Energy of Reactants-Total Bond Energy of Products
OB
N=O
N=O
The total bond energy of the reaction is + 183 kJ/mol and the reaction is endothermic.
OD
The total bond energy of the reaction is + 183 kJ/mol and the reaction is exothermic.
O C The total bond energy of the reaction is + 2,703 kJ/mol and the reaction is endothermic.
The total bond energy of the reaction is + 2,703 kJ/mol and the reaction is exothermic.