cus+hno 3 →cu(no 3 ) 2 + s + no+h 2 o

CuS+HNOCuS+HNO33→Cu(NO→Cu(NO33))22+ S + NO+H+ S + NO+H22OO

CuS+HNOCuS+HNO33→Cu(NO→Cu(NO33))22+ S + NO+H+ S + NO+H22OO

CuCuSS-2-2+H+HNN+5+5OO33→Cu(NO→Cu(NO33))22+ + SS00 + + NN+2+2O+HO+H22OO

CuS+HNOCuS+HNO33→Cu(NO→Cu(NO33))22+ S + NO+H+ S + NO+H22OO

CuCuSS-2-2+H+HNN+5+5OO33→Cu(NO→Cu(NO33))22+ + SS00 + + NN+2+2O+HO+H

22OO

NN+5 +5 + 3e → N+ 3e → N+2+2

CuS+HNOCuS+HNO33→Cu(NO→Cu(NO33))22+ S + NO+H+ S + NO+H22OO

CuCuSS-2-2+H+HNN+5+5OO33→Cu(NO→Cu(NO33))22+ + SS00 + + NN+2+2O+HO+H

22OO

NN+5 +5 + 3e → N+ 3e → N+2+2

SS-2 -2 – 2e → S– 2e → S00

CuS+HNOCuS+HNO33→Cu(NO→Cu(NO33))22+ S + NO+H+ S + NO+H22OO

CuCuSS-2-2+H+HNN+5+5OO33→Cu(NO→Cu(NO33))22+ + SS00 + + NN+2+2O+HO+H

22OO

NN+5 +5 + 3e → N+ 3e → N+2+2

SS-2 -2 – 2e → S– 2e → S0066

22

33

CuS+HNOCuS+HNO33→Cu(NO→Cu(NO33))22+ S + NO+H+ S + NO+H22OO

CuCuSS-2-2+H+HNN+5+5OO33→Cu(NO→Cu(NO33))22+ + SS00 + + NN+2+2O+HO+H

22OO

NN+5 +5 + 3e → N+ 3e → N+2+2

SS-2 -2 – 2e → S– 2e → S0066

22

33

CuS+HNOCuS+HNO33→Cu(NO→Cu(NO33))22+ S + NO+H+ S + NO+H22OO

CuCuSS-2-2+H+HNN+5+5OO33→Cu(NO→Cu(NO33))22++33SS00 + +22NN+2+2O+HO+H

22OO

NN+5 +5 + 3e → N+ 3e → N+2+2

SS-2 -2 – 1e → S– 1e → S0033

11

33

CuSCuS ++ HNOHNO33→Cu(NO→Cu(NO

33))22 ++ 3 3S +S +22NONO ++ HH22OO

33CuSCuS ++ HNOHNO33→→ Cu(NOCu(NO

33))22++ 3 3S+S+ NONO ++ HH22OO

33CuSCuS ++ HNOHNO33 →→ 3 3Cu(NOCu(NO

33))22 ++ 3 3SS ++ 2 2NONO ++ HH22OO

33CuSCuS ++88HNOHNO33 →→ 3 3Cu(NOCu(NO

33))22++33SS ++22NN O+HO+H22OO

33CuSCuS ++ 8 8HNOHNO33→→33Cu(NOCu(NO

33))22 ++ 3 3SS ++22NONO ++ HH22OO

33CuSCuS ++ 8 8HNOHNO33 →→ 3 3Cu(NOCu(NO

33))22 ++ 3 3SS ++ 2 2NONO ++ 4 4HH22OO

33CuSCuS ++ 8 8HNHN OO33 →→ 3 3Cu(NOCu(NO33))22++ 3 3SS ++ 2 2NN OO ++ 4 4HH22OO

1818 4422

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