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Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
Co + H3BO3 = Co(H2BO3)3 + H2 =>
2 Co + 6 H3BO3 = 2 Co(H2BO3)3 + 3 H2
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
H3PO4 + NaOH = Na3PO4 + HOH =>
H3PO4 + 3 NaOH = Na3PO4 + 3 HOH
CH3CH2CH3 + O2 = CO2 + H2O =>
CH3CH2CH3 + 5 O2 = 3 CO2 + 4 H2O
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
CaBr2 + AgNO3 = AgBr + Ca(NO3)2 =>
CaBr2 + 2 AgNO3 = 2 AgBr + Ca(NO3)2
ZnO = Zn + O2 =>
2 ZnO = 2 Zn + O2
FeO + PdF2 = FeF2 + PdO =>
FeO + PdF2 = FeF2 + PdO
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Fe{+3} + I{-} = Fe{+2} + I3{-} =>
2 Fe{+3} + 3 I{-} = 2 Fe{+2} + I3{-}
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
AgF + CaCl2 = AgCl + CaF2 =>
2 AgF + CaCl2 = 2 AgCl + CaF2
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
C24H13O + O2 = CO2 + H2O =>
4 C24H13O + 107 O2 = 96 CO2 + 26 H2O
C8H18 + O2 = H2O + CO2 =>
2 C8H18 + 25 O2 = 18 H2O + 16 CO2
Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3
H2S + AsO4 + H = As2S3 + H2O =>
3 H2S + 2 AsO4 + 10 H = As2S3 + 8 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
NaHCO3 + H2O = NaOH + H2CO3 =>
NaHCO3 + H2O = NaOH + H2CO3
H2O + P2O5 = H3PO4 =>
3 H2O + P2O5 = 2 H3PO4
N2 + O2 = NO3 =>
N2 + 3 O2 = 2 NO3
MgCl2 = Mg + Cl2 =>
MgCl2 = Mg + Cl2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
H2SO4 + HI = H2SO3 + I2 + H2O =>
H2SO4 + 2 HI = H2SO3 + I2 + H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
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