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)
N N + 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

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)
N  N + 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

Quizplus · Accepted Answer

The Answer of 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)
N  N + 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

How Much Energy, in Kilojoules, Is Released or Absorbed from the Reaction