2 Al + 3 H2SO4 → Al2(SO4)3 + 3 H2
H2 + Fe3O4 → H2O + 3 FeO
CuCl2 + 2 NaOH → 2 NaCl + Cu(OH)2
2 NH3 → N2 + 3 H2
Pb3O4 + 4 H2 → 4 H2O + 3 Pb
2 Al + 3 CuSO4 → Al2(SO4)3 + 3 Cu
CaO + 2 HCl → H2O + CaCl2
2 AlI3 + 3 Br2 → 3 I2 + 2 AlBr3
2 Al + 3 H2SO4 → Al2(SO4)3 + 3 H2
H2 + Fe3O4 → H2O + 3 FeO
CuCl2 + 2 NaOH → 2 NaCl + Cu(OH)2
2 NH3 → N2 + 3 H2
Pb3O4 + 4 H2 → 4 H2O + 3 Pb
2 Al + 3 CuSO4 → Al2(SO4)3 + 3 Cu
CaO + 2 HCl → H2O + CaCl2
2 AlI3 + 3 Br2 → 3 I2 + 2 AlBr3