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Question
How much energy, in kilojoules, is released or absorbed from the reaction of one mole of nitrogen, 
, with three moles of molecular hydrogen, 
, to form two moles of ammonia, N
?
H-N (bond energy: 389 kJ/mol)
H-H (bond energy: 436 kJ/mol)
N
N (bond energy: 946 kJ/mol)
NN + H-H + H-H -> N + N
A) +899 kJ/mol absorbed
B) -993 kJ/mol released
C) +80 kJ/mol absorbed
D) -80 kj/mol released
Answer
This answer is hidden. It contains 1 characters.
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