1)Balance the Reaction between:CuO+NH3--Cu+N2+H2? Thank you

1 Answer
Nov 2, 2017

Well this is a redox reaction....however, dihydrogen is NOT a product under reducing conditions, water is....

#3CuO(s) +2NH_3(g)rarr 3Cu(s) +N_2(g) +3H_2O(l)#..

Explanation:

Cupric oxide is reduced....

#CuO(s) +2H^+ +2e^(-) rarr Cu(s) +H_2O(l)# #(i)#

Ammonia is oxidized....

#NH_3 rarr 1/2N_2 + 3H^+ + 3e^(-)# #(ii)#

And we takes #3xx(i)+2xx(ii)#...

#3CuO(s) +2NH_3(g)+ cancel(6H^+) +cancel(6e^(-)) rarr 3Cu(s) +N_2(g) +3H_2O(l)+cancel(6H^+) + cancel(6e^(-))#..

...to give....

#3CuO(s) +2NH_3(g)rarr 3Cu(s) +N_2(g) +3H_2O(l)#..