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3 Fe + 4 H2O = Fe3O4 + 4 H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
H2O + CH4 = CO + H2 =>
H2O + CH4 = CO + 3 H2
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C6H5OCH3 + H2 = C6H5CHOHCH3 + H2O =>
8 C6H5OCH3 + 4 H2 = 7 C6H5CHOHCH3 + H2O
C4H8O + O2 = CO2 + H2O =>
2 C4H8O + 11 O2 = 8 CO2 + 8 H2O
Na3CrO3 + Cl2 + NaOH = Na3CrO4 + NaCl + H2O =>
Na3CrO3 + Cl2 + 2 NaOH = Na3CrO4 + 2 NaCl + H2O
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
K2O + H3PO4 = K3PO4 + H2O =>
3 K2O + 2 H3PO4 = 2 K3PO4 + 3 H2O
Al2(SO4)3 + NaNO3 = Al(NO3)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaNO3 = 2 Al(NO3)3 + 3 Na2SO4
NO3 + ZnS + H2SO4 = SO3 + HNO3 + ZnSO4 =>
8 NO3 + ZnS + 4 H2SO4 = 4 SO3 + 8 HNO3 + ZnSO4
X + C6H10 + H2 = C6H12X =>
X + C6H10 + H2 = C6H12X
NaNO2 + NaOH + Al + H2O = NaAlO2 + NH3 =>
NaNO2 + NaOH + 2 Al + H2O = 2 NaAlO2 + NH3
C4H8O + O2 = CO2 + H2O =>
2 C4H8O + 11 O2 = 8 CO2 + 8 H2O
Pb(NO3)2 + KI = PbI2 + K(NO3) =>
Pb(NO3)2 + 2 KI = PbI2 + 2 K(NO3)
CH4 = C + H2 =>
CH4 = C + 2 H2
HOBr + C6H10 + H2 = C6H12BrOH =>
HOBr + C6H10 + H2 = C6H12BrOH
H + O = H2O =>
2 H + O = H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
NaBr + H3PO4 = Na3PO4 + HBr =>
3 NaBr + H3PO4 = Na3PO4 + 3 HBr
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
Cl2 + NaOH = NaCl + NaClO + H2O =>
Cl2 + 2 NaOH = NaCl + NaClO + H2O
Al(OH)3 + KOH = KAl(OH)4 =>
Al(OH)3 + KOH = KAl(OH)4
FeO + C = Fe + CO =>
FeO + C = Fe + CO
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
C2H3O2F + O2 = CO + H2O + F2 =>
4 C2H3O2F + 3 O2 = 8 CO + 6 H2O + 2 F2
Hg2O = Hg + O2 =>
2 Hg2O = 4 Hg + O2
NaClO + CrCl3 + NaOH = Na2CrO4 + NaCl + H2O =>
3 NaClO + 2 CrCl3 + 10 NaOH = 2 Na2CrO4 + 9 NaCl + 5 H2O
CO2 + C = CO =>
CO2 + C = 2 CO
Fe2O3 + Al = Fe3O4 + Al2O3 =>
9 Fe2O3 + 2 Al = 6 Fe3O4 + Al2O3
H2 + Ca = CaH2 =>
H2 + Ca = CaH2
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
SF4 + H2O = H2SO3 + HF =>
SF4 + 3 H2O = H2SO3 + 4 HF
CrCl2 + H2SO4 = Cr2(SO4)3 + HCl + H2O + SO2 =>
2 CrCl2 + 4 H2SO4 = Cr2(SO4)3 + 4 HCl + 2 H2O + SO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
KNO2 + K2Cr2O7 + HNO3 = KNO3 + Cr(NO3)3 + H2O =>
3 KNO2 + K2Cr2O7 + 8 HNO3 = 5 KNO3 + 2 Cr(NO3)3 + 4 H2O
PbO + NH3 = Pb + N2 + H2O =>
3 PbO + 2 NH3 = 3 Pb + N2 + 3 H2O
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