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3 FeBr2 + 2 AlI3 = 3 FeI2 + 2 AlBr3
ZnSO4 + NH4OH = H2O + [Zn(NH3)4]SO4 =>
ZnSO4 + 4 NH4OH = 4 H2O + [Zn(NH3)4]SO4
CaCl2 + KOH = Ca(OH)2 + ClK =>
CaCl2 + 2 KOH = Ca(OH)2 + 2 ClK
K2Cr2O7 + C2H5OH + H2SO4 = Cr2(SO4)3 + C2H4O2 + H2O + K2SO4 =>
2 K2Cr2O7 + 3 C2H5OH + 8 H2SO4 = 2 Cr2(SO4)3 + 3 C2H4O2 + 11 H2O + 2 K2SO4
HBr + KClO3 = Br + KCl + H2O =>
6 HBr + KClO3 = 6 Br + KCl + 3 H2O
(NH4)2SO4*FeSO4 + H2SO4 + H2O2 = Fe2(SO4)3 + (NH4)2SO4 + H2O =>
2(NH4)2SO4*FeSO4 + H2SO4 + H2O2 = Fe2(SO4)3 + 2(NH4)2SO4 + 2 H2O
NO2 + H2O = HNO3 + H2 =>
2 NO2 + 2 H2O = 2 HNO3 + H2
Na3P + H2O + Br2 = Na3PO4 + HBr =>
Na3P + 4 H2O + 4 Br2 = Na3PO4 + 8 HBr
CH3NH2 + CH3Cl = (CH3)2NH + NH4Cl =>
3 CH3NH2 + CH3Cl = 2(CH3)2NH + NH4Cl
Na2S + FeSO4 = NaSO4 + Fe2S =>
Na2S + 2 FeSO4 = 2 NaSO4 + Fe2S
C6H126O2 + O2 = CO2 + H2O =>
2 C6H126O2 + 73 O2 = 12 CO2 + 126 H2O
Ca(ClO3)2 = Ca + ClO3 =>
Ca(ClO3)2 = Ca + 2 ClO3
Na2S + FeSO4 = NaSO4 + Fe2S =>
Na2S + 2 FeSO4 = 2 NaSO4 + Fe2S
Pb(NO3)2 + Ag = Ag(NO3)2 + Pb2 =>
2 Pb(NO3)2 + 2 Ag = 2 Ag(NO3)2 + Pb2
CaO + HCl = Ca + Cl + H2O =>
CaO + 2 HCl = Ca + 2 Cl + H2O
Al + PbF4 = Pb4 + AlF =>
16 Al + 4 PbF4 = Pb4 + 16 AlF
MgO2 + H2 = Mg + H2O =>
MgO2 + 2 H2 = Mg + 2 H2O
KOH(aq) + CuCl2(aq) = KCl(s) + Cu(OH)2 =>
2 KOH(aq) + CuCl2(aq) = 2 KCl(s) + Cu(OH)2
Ag2CO3 + NH3 = AgNH3 + CO3 =>
Ag2CO3 + 2 NH3 = 2 AgNH3 + CO3
CuCl2 + Na3PO4 = Cu3(PO4)2 + NaCl =>
3 CuCl2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaCl
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
CH3Br + Li = CHLi2Br + H2 =>
CH3Br + 2 Li = CHLi2Br + H2
CaO + HCl = Ca + Cl + H2O =>
CaO + 2 HCl = Ca + 2 Cl + H2O
Zn + H2SO4*H2O = ZnSO4 + H2 + O =>
Zn + H2SO4*H2O = ZnSO4 + 2 H2 + O
AgL(aq) + Fe2(CO3)3(aq) = FeL3(aq) + Ag2CO3(s) =>
6 AgL(aq) + Fe2(CO3)3(aq) = 2 FeL3(aq) + 3 Ag2CO3(s)
NaOH + Cl2 = Na + NaClO3 + H2O =>
12 NaOH + Cl2 = 10 Na + 2 NaClO3 + 6 H2O
Ba(OH)2 + HS6 = BaS6 + H(OH)2 =>
Ba(OH)2 + HS6 = BaS6 + H(OH)2
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
HNO3 = H2O + NO2 + O2 =>
4 HNO3 = 2 H2O + 4 NO2 + O2
Zn + BaO = ZnO + Ba =>
Zn + BaO = ZnO + Ba
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
SiO2 + HF = SiF4 + HOH =>
SiO2 + 4 HF = SiF4 + 2 HOH
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
HMnO4 + NaHSO3 + H2SO4 = MnSO4 + NaSO4 + H2O =>
3 HMnO4 + 5 NaHSO3 + 3 H2SO4 = 3 MnSO4 + 5 NaSO4 + 7 H2O
C4H9Br + CH3Br + Na = C5H12 + NaBr =>
C4H9Br + CH3Br + 2 Na = C5H12 + 2 NaBr
Fe + Cu(Cl)2 = FeCl2 + Cu =>
Fe + Cu(Cl)2 = FeCl2 + Cu
ICl3 + KOH = KCl + KI + KIO3 + H2O =>
3 ICl3 + 12 KOH = 9 KCl + KI + 2 KIO3 + 6 H2O
Cu(NO3)2 + NaI = CuI + I2 + NaNO3 =>
2 Cu(NO3)2 + 4 NaI = 2 CuI + I2 + 4 NaNO3
ClC = CCl =>
ClC = CCl
Sn + HNO3 + H2O = H10Sn5O15 + NO =>
15 Sn + 20 HNO3 + 5 H2O = 3 H10Sn5O15 + 20 NO
Ag2CO3 + NH3 = Ag(NH3)2 + CO3 =>
Ag2CO3 + 4 NH3 = 2 Ag(NH3)2 + CO3
O2 + Cl2 = Cl2O =>
O2 + 2 Cl2 = 2 Cl2O
NaHS + NaClO3 = S8 + NaCl + Na(OH) =>
24 NaHS + 8 NaClO3 = 3 S8 + 8 NaCl + 24 Na(OH)
N2O(g) + O2(g) = N2O4(s) =>
2 N2O(g) + 3 O2(g) = 2 N2O4(s)
NH3 + OH = NO3 + H2O =>
NH3 + 9 OH = NO3 + 6 H2O
Cu(OH2)6 + NaOH = Cu(OH)2 + Na + H2O =>
Cu(OH2)6 + 2 NaOH = Cu(OH)2 + 2 Na + 6 H2O
Zn2 + Pb(NO3) = Zn(NO3)2 + Pb =>
Zn2 + 4 Pb(NO3) = 2 Zn(NO3)2 + 4 Pb
Fe2O3 + Na2S = Fe2S3 + Na2O =>
Fe2O3 + 3 Na2S = Fe2S3 + 3 Na2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
KNO2 + MgBr = MgNO2 + KBr =>
KNO2 + MgBr = MgNO2 + KBr
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