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2 NaNO3 = 2 NaNO2 + O2
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Pb3O4 + H2 = Pb2 + H2O =>
2 Pb3O4 + 8 H2 = 3 Pb2 + 8 H2O
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
C6H14 + Br2 = C6H13Br + HBr =>
C6H14 + Br2 = C6H13Br + HBr
Pb(NO3)2 + FeCl2 = PbCl2 + Fe(NO3)2 =>
Pb(NO3)2 + FeCl2 = PbCl2 + Fe(NO3)2
Mn{3+} + I{-} + H2O = Mn{2+} + IO3{-} + H{+} =>
6 Mn{3+} + I{-} + 3 H2O = 6 Mn{2+} + IO3{-} + 6 H{+}
Pb3O4 + H2 = Pb2 + H2O =>
2 Pb3O4 + 8 H2 = 3 Pb2 + 8 H2O
ZNS + O2 = ZNO + SO2 =>
2 ZNS + 3 O2 = 2 ZNO + 2 SO2
FeSO4 + KClO3 + KOH = K2FeO4 + K2SO4 + KCl + H2O =>
3 FeSO4 + 2 KClO3 + 12 KOH = 3 K2FeO4 + 3 K2SO4 + 2 KCl + 6 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CaO + P2O5 = Ca3(PO4)2 =>
3 CaO + P2O5 = Ca3(PO4)2
MNO2 + HBr = MNBr2 + Br2 + H2O =>
MNO2 + 4 HBr = MNBr2 + Br2 + 2 H2O
CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O
MgCl2 + CaOH2 = MgOH2 + CaCl2 =>
MgCl2 + CaOH2 = MgOH2 + CaCl2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
N2H4 + I2 + KOH = KI + H2O + N2 =>
N2H4 + 2 I2 + 4 KOH = 4 KI + 4 H2O + N2
Pb + O2 = Pb3O4 =>
3 Pb + 2 O2 = Pb3O4
FeSO4 + KClO3 + KOH = K2FeO4 + K2SO4 + FeCl3 + H2O =>
21 FeSO4 + 12 KClO3 + 64 KOH = 17 K2FeO4 + 21 K2SO4 + 4 FeCl3 + 32 H2O
NH4 + HCl = NH4Cl + H2 =>
2 NH4 + 2 HCl = 2 NH4Cl + H2
N2H4 + I2 + NaOH = NaI + H2O + N2 =>
N2H4 + 2 I2 + 4 NaOH = 4 NaI + 4 H2O + N2
NH4NO3 = H2O + N2O =>
NH4NO3 = 2 H2O + N2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
C4H10 + O2 = CH3COOH + H20 =>
10 C4H10 + 20 O2 = 20 CH3COOH + H20
ZnCl2 + NaHCO3 = NaCl + ZnCO3 + H2O + CO2 =>
ZnCl2 + 2 NaHCO3 = 2 NaCl + ZnCO3 + H2O + CO2
P2O3 + HNO3 + H2O = H3PO4 + NO =>
3 P2O3 + 4 HNO3 + 7 H2O = 6 H3PO4 + 4 NO
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
C16H34 + O2 = CO2 + H2O =>
2 C16H34 + 49 O2 = 32 CO2 + 34 H2O
Pb + O2 = Pb3O4 =>
3 Pb + 2 O2 = Pb3O4
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
NH3 + Br2 = N2 + NH4Br =>
8 NH3 + 3 Br2 = N2 + 6 NH4Br
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
NH3 + O2 = NO + H2 =>
2 NH3 + O2 = 2 NO + 3 H2
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
Mg + S = MgS2 =>
Mg + 2 S = MgS2
HNO3 + BeOH = H2O + BeNO3 =>
HNO3 + BeOH = H2O + BeNO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe + S = FeS =>
Fe + S = FeS
Cu2O + HCl = CuCl + H2O =>
Cu2O + 2 HCl = 2 CuCl + H2O
ZNO + C = ZN + CO2 =>
2 ZNO + C = 2 ZN + CO2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Co + O2 = Co3O4 =>
3 Co + 2 O2 = Co3O4
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Mg + Fe2O3 = MgO + Fe2 =>
3 Mg + Fe2O3 = 3 MgO + Fe2
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