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O2 + 4 Fe(OH)2 + 2 HOH = 4 Fe(OH)3
H2S(g) + SO2 = S8(s) + H2O(g) =>
16 H2S(g) + 8 SO2 = 3 S8(s) + 16 H2O(g)
FeO + Na2O2 = NaFeO2 =>
2 FeO + Na2O2 = 2 NaFeO2
NO2KOH = KNO2KNO3H2O =>
2 NO2KOH = KNO2KNO3H2O
NaMnO4 + NaBr + H2O = MnO2 + Br2 + NaOH =>
2 NaMnO4 + 6 NaBr + 4 H2O = 2 MnO2 + 3 Br2 + 8 NaOH
SIO2 + F2 = SIF4 + O2 =>
SIO2 + 2 F2 = SIF4 + O2
Mg + HNO3(aq) = Mg(NO3)2 + H2 =>
Mg + 2 HNO3(aq) = Mg(NO3)2 + H2
Al + SrO2 = Al2O3 + SrO =>
2 Al + 3 SrO2 = Al2O3 + 3 SrO
K2Cr2O7 + FeCl2 + HCl = CrCl3 + FeCl4 + KCl + H2O =>
K2Cr2O7 + 3 FeCl2 + 14 HCl = 2 CrCl3 + 3 FeCl4 + 2 KCl + 7 H2O
KC2H3O2 + HCl = KCl + HC2H3O2 =>
KC2H3O2 + HCl = KCl + HC2H3O2
Br + NH4I = BrI + NH4 =>
Br + NH4I = BrI + NH4
AlBr3 + CaCr2O7 + H3(PO4) = Br2 + Cr(PO4) + Ca3(PO4)2 + H2O + Al2O3 =>
6 AlBr3 + 3 CaCr2O7 + 8 H3(PO4) = 9 Br2 + 6 Cr(PO4) + Ca3(PO4)2 + 12 H2O + 3 Al2O3
C3H7Br + NH3 = C3H7NH2 + HBr =>
C3H7Br + NH3 = C3H7NH2 + HBr
Pb(NO3)2(l) + KI(l) = PbI2(s) + KNO3(aq) =>
Pb(NO3)2(l) + 2 KI(l) = PbI2(s) + 2 KNO3(aq)
Zn(SO4) + Na = Na(SO4) + Zn =>
Zn(SO4) + Na = Na(SO4) + Zn
H2SO4 + Zn(CH3CH2)2 = ZnSO4 + CH3CH3 =>
H2SO4 + Zn(CH3CH2)2 = ZnSO4 + 2 CH3CH3
Ti4Cl + H2O = Ti4O + H + Cl =>
Ti4Cl + H2O = Ti4O + 2 H + Cl
Fe + HNO3 = Fe(NO3) + NH4NO3 + H2O =>
8 Fe + 10 HNO3 = 8 Fe(NO3) + NH4NO3 + 3 H2O
Ni(OH)2 + H2SO3 = Ni(HSO3)2 + H2O =>
Ni(OH)2 + 2 H2SO3 = Ni(HSO3)2 + 2 H2O
NH3 + CoCl2 + H2O = Co(OH)2 + NH4Cl =>
2 NH3 + CoCl2 + 2 H2O = Co(OH)2 + 2 NH4Cl
N2S3 + O2 = N2O2 + S3 =>
N2S3 + O2 = N2O2 + S3
SbH3 = Sb + H{+} + {-} =>
SbH3 = Sb + 3 H{+} + 3e
P2O5 + Be(OH)2 = Be3(PO4)2 + H2O =>
P2O5 + 3 Be(OH)2 = Be3(PO4)2 + 3 H2O
KNO3 + C2 + S = CO2 + K2S + N2 =>
4 KNO3 + 3 C2 + 2 S = 6 CO2 + 2 K2S + 2 N2
KMnO4 + Fe + HCl = MnCl2 + FeCl2 + H2O + KCl =>
2 KMnO4 + 5 Fe + 16 HCl = 2 MnCl2 + 5 FeCl2 + 8 H2O + 2 KCl
CdSO3 + HCl = CdCl2 + H2SO3 =>
CdSO3 + 2 HCl = CdCl2 + H2SO3
K{2}CrO{7} + AgNO{3} = Ag{2}CrO{4} + KNO{3} =>
K{2}CrO{7} + AgNO{3} = Ag{2}CrO{4} + KNO{3}
Ag(NH3)2NO3 + CH2O + H2O = Ag + NH4NO3 + NH4(HCOO) =>
4 Ag(NH3)2NO3 + 6 CH2O + 3 H2O = 4 Ag + 3 NH4NO3 + 6 NH4(HCOO)
SnCl2 + Hg2Cl2 = SnCl4 + Hg =>
SnCl2 + Hg2Cl2 = SnCl4 + 2 Hg
PH3 + HNO3 = H3PO4 + NO + H2O =>
3 PH3 + 8 HNO3 = 3 H3PO4 + 8 NO + 4 H2O
BaI2 + O = Ba(IO3)2 =>
BaI2 + 6 O = Ba(IO3)2
Cu(OH) + H2SO4 = CuHSO4 + H2O =>
Cu(OH) + H2SO4 = CuHSO4 + H2O
CoCl2*6H2O + NH4Cl + NH4OH + H2O2 = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 8 NH4OH + H2O2 = 2[Co(NH3)5Cl]Cl2 + 22 H2O
SiO2NaHCO3 = Si(CO3)Na(HO2) =>
SiO2NaHCO3 = Si(CO3)Na(HO2)
FeI2 + H2SO4 = Fe2(SO4)3 + SO2 + H2O + I2 =>
2 FeI2 + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 6 H2O + 2 I2
N2F4 + HF = NH3 + F2 =>
N2F4 + 6 HF = 2 NH3 + 5 F2
Cl2 + KNO3 + H2O = KClO + KCl + HNO3 =>
Cl2 + 2 KNO3 + H2O = KClO + KCl + 2 HNO3
Mg(NO3) + CaI2 = Ca(NO3) + MgI2 =>
Mg(NO3) + CaI2 = Ca(NO3) + MgI2
Ca(OH)2(aq) = CaO(s) + H2O(l) =>
Ca(OH)2(aq) = CaO(s) + H2O(l)
H3AsO3 + KMnO4 + H2SO4 = H3AsO4 + MnSO4 + K2SO4 + H2O =>
5 H3AsO3 + 2 KMnO4 + 3 H2SO4 = 5 H3AsO4 + 2 MnSO4 + K2SO4 + 3 H2O
H2SiF6 + NaOH = NaF + SiO2 + HF =>
H2SiF6 + 2 NaOH = 2 NaF + SiO2 + 4 HF
Na(s) + I2(s) = NaI2(s) =>
Na(s) + I2(s) = NaI2(s)
Zn(C2H3O2)2 + K = K(C2H3O2)2 + Zn =>
Zn(C2H3O2)2 + K = K(C2H3O2)2 + Zn
Na2HPO4 + H2SO4 = NaHSO4 + H3PO4 =>
Na2HPO4 + 2 H2SO4 = 2 NaHSO4 + H3PO4
HOOC(CH2)4COOH + H2N(CH2)6NH2 = OC(CH2)4CONH(CH2)6NH + H2O =>
HOOC(CH2)4COOH + H2N(CH2)6NH2 = OC(CH2)4CONH(CH2)6NH + 2 H2O
CH3CHOH + O2 = H2O + CH3COOH =>
4 CH3CHOH + 3 O2 = 2 H2O + 4 CH3COOH
Al + NaCl = Al(NaCl) =>
Al + NaCl = Al(NaCl)
CH3CH2NH2 + O2 = CO2 + H2O + N2 =>
4 CH3CH2NH2 + 15 O2 = 8 CO2 + 14 H2O + 2 N2
As2S3 + NO3 = AsO4 + SO4 + NO2 =>
As2S3 + 20 NO3 = 2 AsO4 + 3 SO4 + 20 NO2
H2SO4 + Pb(CH3COO)2 = PbSO4 + HCH3COO =>
H2SO4 + Pb(CH3COO)2 = PbSO4 + 2 HCH3COO
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