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4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
I2 + Cu2 = CuI =>
I2 + Cu2 = 2 CuI
H3PO4 + Ca = H + Ca(PO4)2 =>
2 H3PO4 + Ca = 6 H + Ca(PO4)2
MoCl4 = MoCl3 + Cl2 =>
2 MoCl4 = 2 MoCl3 + Cl2
K2CrO7 + H2SO4 + KI = Cr2(SO4)3 + I + K2SO4 + H2O =>
2 K2CrO7 + 14 H2SO4 + 18 KI = Cr2(SO4)3 + 18 I + 11 K2SO4 + 14 H2O
KClO3 + C13H22O11 = KCl + CO2 + H2O =>
26 KClO3 + 3 C13H22O11 = 26 KCl + 39 CO2 + 33 H2O
(Cl)2 + I2 + H2O = HIO3 + HCl =>
5(Cl)2 + I2 + 6 H2O = 2 HIO3 + 10 HCl
(COOH)2*2H2O + NaOH = COONa + H2O =>
(COOH)2*2H2O + 2 NaOH = 2 COONa + 4 H2O
CuSO4 + NaOH + HCl = NaCl + HSO4 + CuOH =>
CuSO4 + NaOH + HCl = NaCl + HSO4 + CuOH
AgNO3 + NH3 = AgNH2 + HNO3 =>
AgNO3 + NH3 = AgNH2 + HNO3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CaCl2 + Sr(OH)2 = Ca(OH)2 + SrCl2 =>
CaCl2 + Sr(OH)2 = Ca(OH)2 + SrCl2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
Na(s) + O2(g) = Na2O(s) =>
4 Na(s) + O2(g) = 2 Na2O(s)
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
SF6 = S + F2 =>
SF6 = S + 3 F2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ca + HNO3 = Ca(NO3)2 + H2 =>
Ca + 2 HNO3 = Ca(NO3)2 + H2
C3H5N2O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N2O9 = 12 CO2 + 10 H2O + 4 N2 + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Ca + HNO3 = Ca(NO3)2 + H2 =>
Ca + 2 HNO3 = Ca(NO3)2 + H2
Pt + H2O = PtO + H2 =>
Pt + H2O = PtO + H2
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
Pt + H2O = PtO + H2 =>
Pt + H2O = PtO + H2
HCl + NaC2 = NaCl + HC2 =>
HCl + NaC2 = NaCl + HC2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Ba(NO3)2 + KSO4 = K(NO3)2 + BaSO4 =>
Ba(NO3)2 + KSO4 = K(NO3)2 + BaSO4
TiOSO4 + NaOH + H2O = Ti(OH)4 + Na2SO4 =>
TiOSO4 + 2 NaOH + H2O = Ti(OH)4 + Na2SO4
Na2Si2O5 + NaOH = Na2SiO3 + H2O =>
Na2Si2O5 + 2 NaOH = 2 Na2SiO3 + H2O
Fe2 + O2 = FeO100 =>
Fe2 + 100 O2 = 2 FeO100
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Mo23O37 + H2O = MoO3 + H =>
Mo23O37 + 32 H2O = 23 MoO3 + 64 H
KF + Al(OH)3 = KOH + AlF3 =>
3 KF + Al(OH)3 = 3 KOH + AlF3
NH2OH = N2 + N2H4 + H2O =>
4 NH2OH = N2 + N2H4 + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C6H12 + KMnO4 = C3H6O2 + KMnO2 =>
C6H12 + 2 KMnO4 = 2 C3H6O2 + 2 KMnO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KI + O2 = K2O + I2 =>
4 KI + O2 = 2 K2O + 2 I2
KHP + Ca(OH)2 = H2O + CaP + K2P =>
2 KHP + Ca(OH)2 = 2 H2O + CaP + K2P
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