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2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
KI + H2O2 + HCl = I2 + H2O + KCl =>
2 KI + H2O2 + 2 HCl = I2 + 2 H2O + 2 KCl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Br2 + H2O = HBr + HBrO3 =>
3 Br2 + 3 H2O = 5 HBr + HBrO3
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Ca(OH)2 + Al2(SO4)3 = CaSO4 + Al(OH)3 =>
3 Ca(OH)2 + Al2(SO4)3 = 3 CaSO4 + 2 Al(OH)3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
(NH4)2CO3(s) = NH3(g) + CO2(g) + H2O(g) =>
(NH4)2CO3(s) = 2 NH3(g) + CO2(g) + H2O(g)
Al + Ag2SO4 = Al2(SO4)3 + Ag =>
2 Al + 3 Ag2SO4 = Al2(SO4)3 + 6 Ag
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HNO3 + Zn(OH)2 = ZnNO3 + H(OH)2 =>
HNO3 + Zn(OH)2 = ZnNO3 + H(OH)2
Ca(OH)2 + Al2(SO4)3 = CaSO4 + Al(OH)3 =>
3 Ca(OH)2 + Al2(SO4)3 = 3 CaSO4 + 2 Al(OH)3
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
PbSO4 = PbSO3 + O22 =>
22 PbSO4 = 22 PbSO3 + O22
Al(NO2)3 + NH4Cl = AlCl3 + N2 + H2O =>
Al(NO2)3 + 3 NH4Cl = AlCl3 + 3 N2 + 6 H2O
Fe + S = FeS =>
Fe + S = FeS
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Al(NO2)3 + NH4Cl = AlCl3 + N + H2O =>
Al(NO2)3 + 3 NH4Cl = AlCl3 + 6 N + 6 H2O
Al2(CO3)3 = Al2O3 + CO2 =>
Al2(CO3)3 = Al2O3 + 3 CO2
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
NO + H2O + O2 = HNO3 =>
4 NO + 2 H2O + 3 O2 = 4 HNO3
NO2(g) + N2O(g) = NO(g) =>
NO2(g) + N2O(g) = 3 NO(g)
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Al(NO2)3 + NH4Cl = AlCl3 + N2 + H2O =>
Al(NO2)3 + 3 NH4Cl = AlCl3 + 3 N2 + 6 H2O
W(NO3)5 + Ag3PO4 = W3(PO4)5 + AgNO3 =>
3 W(NO3)5 + 5 Ag3PO4 = W3(PO4)5 + 15 AgNO3
C5H5 + Fe = Fe(C5H5)2 =>
2 C5H5 + Fe = Fe(C5H5)2
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Fe + F2 = FeF3 =>
2 Fe + 3 F2 = 2 FeF3
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Cl2(g) + Fe2O3(s) = FeCl3(s) + O2(g) =>
6 Cl2(g) + 2 Fe2O3(s) = 4 FeCl3(s) + 3 O2(g)
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Zn + Cr2O7{-2} + H{+} = Zn{+2} + Cr{+3} + H2O =>
3 Zn + Cr2O7{-2} + 14 H{+} = 3 Zn{+2} + 2 Cr{+3} + 7 H2O
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