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2 Fe + 3 S = Fe2S3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NiBr2 + Na2CO3 = Ni(CO3) + NaBr =>
NiBr2 + Na2CO3 = Ni(CO3) + 2 NaBr
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
HPO4{2-} + H2O = PO4{3-} + H3O{+} =>
HPO4{2-} + H2O = PO4{3-} + H3O{+}
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
MgSO4 + NaOH = Mg(OH)2 + Na2SO4 =>
MgSO4 + 2 NaOH = Mg(OH)2 + Na2SO4
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
K3PO4 + MgSO4 = Mg3(PO4)2 + K2SO4 =>
2 K3PO4 + 3 MgSO4 = Mg3(PO4)2 + 3 K2SO4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Cu2 + O2 = Cu2O =>
2 Cu2 + O2 = 2 Cu2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
Na2SO4 + H2O = NaOH + H2SO4 =>
Na2SO4 + 2 H2O = 2 NaOH + H2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
V + HNO3 = V2O5 + NO + H2O =>
6 V + 10 HNO3 = 3 V2O5 + 10 NO + 5 H2O
FeCl2 + Na2S = FeS + NaCl =>
FeCl2 + Na2S = FeS + 2 NaCl
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
MgSO4 + H2O = MgO + H2SO4 =>
MgSO4 + H2O = MgO + H2SO4
NaOH + H2O = NaO + H3O =>
NaOH + H2O = NaO + H3O
NaOH + H2O = NaH + OH =>
NaOH + H2O = NaH + 2 OH
CO2 + H2 = H2O + C =>
CO2 + 2 H2 = 2 H2O + C
V + HNO3 = V2O5 + NO + H2O =>
6 V + 10 HNO3 = 3 V2O5 + 10 NO + 5 H2O
FeCl2 + Na2S = FeS + NaCl =>
FeCl2 + Na2S = FeS + 2 NaCl
K2CrO4 + Pb(NO3)2 = PbCrO4 + KNO3 =>
K2CrO4 + Pb(NO3)2 = PbCrO4 + 2 KNO3
HCl + H2O = H3O{+} + Cl{-} =>
HCl + H2O = H3O{+} + Cl{-}
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
MgCO3 + HCl = MgCl2 + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O + CO2
HCl + H2O = H3O{+} + Cl{-} =>
HCl + H2O = H3O{+} + Cl{-}
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
CO2 + C = CO =>
CO2 + C = 2 CO
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C28H27ClN2O7 + CH5N = C20H25ClN2O5 + C9O2H7N =>
C28H27ClN2O7 + CH5N = C20H25ClN2O5 + C9O2H7N
NaOH + H2O = NaO + H3O =>
NaOH + H2O = NaO + H3O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
NaOH + H2O = NaH + OH =>
NaOH + H2O = NaH + 2 OH
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
SbCl5 + H2O = SbOCl3 + HCl =>
SbCl5 + H2O = SbOCl3 + 2 HCl
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