1)H2-Cu-CuO-Cu
H2+CuSO4=Cu+H2SO4
2Cu+O2=2CuO
CuO+H2-->(температура)Cu+H2O
2)CuO-CuSO4-Cu(OH)2-CuO-Cu
CuO+SO3=CuSO4
CuSO4+2NaOH=Cu(OH)2↓+Na2SO4
Cu(OH)2-->(температура)CuO+H2O
3)H2S-SO2-CaSO3
2H2S+3O2=2H2O+2SO2
SO2+CaO=CaSO3
1)H2-Cu-CuO-Cu
H2+CuSO4=Cu+H2SO4
2Cu+O2=2CuO
CuO+H2-->(температура)Cu+H2O
2)CuO-CuSO4-Cu(OH)2-CuO-Cu
CuO+SO3=CuSO4
CuSO4+2NaOH=Cu(OH)2↓+Na2SO4
Cu(OH)2-->(температура)CuO+H2O
CuO+H2-->(температура)Cu+H2O
3)H2S-SO2-CaSO3
2H2S+3O2=2H2O+2SO2
SO2+CaO=CaSO3