S + H2 -> H2SH2S + Cu -> CuS + H2CuS + O2 -> Cu + SO2
Электронный баланс:
S + H2 -> H2S0: 0 0 0-2: 0 +1 -2
H2S + Cu -> CuS + H2-2: 0 +1 -20: 0 0 0+2: 0 +2 -2
CuS + O2 -> Cu + SO2+2: 0 -2 0-2: 0 0 -2+4: 0 -4 -2
S + H2 -> H2S
H2S + Cu -> CuS + H2
CuS + O2 -> Cu + SO2
Электронный баланс:
S + H2 -> H2S
0: 0 0 0
-2: 0 +1 -2
H2S + Cu -> CuS + H2
-2: 0 +1 -2
0: 0 0 0
+2: 0 +2 -2
CuS + O2 -> Cu + SO2
+2: 0 -2 0
-2: 0 0 -2
+4: 0 -4 -2