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K + O2 = KO2
Fe2O3 + SnCl2 = FeCl3 + SnO =>
Fe2O3 + 3 SnCl2 = 2 FeCl3 + 3 SnO
Mg + HCl + NaOH = NaCl + Mg(OH)2 + H2 =>
Mg + 2 HCl + 2 NaOH = 2 NaCl + Mg(OH)2 + H2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Ca{2+} + [EDTA]{4-} = Ca2[EDTA] =>
2 Ca{2+} + [EDTA]{4-} = Ca2[EDTA]
C2H4 + KMnO4 + H = C2H4(OH)2 + MnO2 + KOH =>
C2H4 + 2 KMnO4 + 4 H = C2H4(OH)2 + 2 MnO2 + 2 KOH
I2 + NaNO3 + H2O = NO2 + NaIO2 + Na(OH) =>
I2 + 6 NaNO3 + 2 H2O = 6 NO2 + 2 NaIO2 + 4 Na(OH)
MgO + HI = MgOH2 + I =>
MgO + 2 HI = MgOH2 + 2 I
NaCl + H2SO3 = Na2SO3 + HCl =>
2 NaCl + H2SO3 = Na2SO3 + 2 HCl
Na + MgF2 = NaF + Mg =>
2 Na + MgF2 = 2 NaF + Mg
MgO + NH4Fe(SO4)2*12H2O + NH3 = Mg8Fe2(OH)20SO4 + H2O + (NH4)2SO4 =>
8 MgO + 2 NH4Fe(SO4)2*12H2O + 4 NH3 = Mg8Fe2(OH)20SO4 + 12 H2O + 3(NH4)2SO4
CaCI2 + KOH = CaOH + KCI2 =>
CaCI2 + KOH = CaOH + KCI2
Fe3P2 + O2 = FeO + P2O5 =>
Fe3P2 + 4 O2 = 3 FeO + P2O5
ZnSO4 + Na3PO4 = Zn3PO4 + NaSO4 =>
3 ZnSO4 + Na3PO4 = Zn3PO4 + 3 NaSO4
S + H2SO4 = SO2 + H20O =>
19 S + 20 H2SO4 = 39 SO2 + 2 H20O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
MgCO3 + HBr = CO2 + H2O + MgBr2 =>
MgCO3 + 2 HBr = CO2 + H2O + MgBr2
C4H5Cl + SiCl4 + Na = NaCl + Si(C4H5)4 =>
4 C4H5Cl + SiCl4 + 8 Na = 8 NaCl + Si(C4H5)4
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
AsO4{-3} + AgNO3 = Ag3AsO4 + NO3{-} =>
AsO4{-3} + 3 AgNO3 = Ag3AsO4 + 3 NO3{-}
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
H3PO4 + KHCO3 = K3PO4 + H2CO3 =>
H3PO4 + 3 KHCO3 = K3PO4 + 3 H2CO3
KCl + Pb(C2H3O2)2 = PbCl2 + K(C2H3O2) =>
2 KCl + Pb(C2H3O2)2 = PbCl2 + 2 K(C2H3O2)
NO2(g) + H2O(i) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(i) = 2 HNO3(aq) + NO(g)
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
S2O8{-2} + IO3{-} + OH{-} = H2IO6{-3} + SO4{-2} + H2O =>
S2O8{-2} + IO3{-} + 4 OH{-} = H2IO6{-3} + 2 SO4{-2} + H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
(CaOH)2CO3 + H3PO4 = CaHPO4 + H2O + CO2 =>
(CaOH)2CO3 + 2 H3PO4 = 2 CaHPO4 + 3 H2O + CO2
Li2Cr2O7 + HCl = H2O + Cl2 + LiCl + CrCl3 =>
Li2Cr2O7 + 14 HCl = 7 H2O + 3 Cl2 + 2 LiCl + 2 CrCl3
C8H10 + KMnO4 + H2SO4 = C7H6O2 + MnSO4 + K2SO4 + H2O =>
35 C8H10 + 54 KMnO4 + 81 H2SO4 = 40 C7H6O2 + 54 MnSO4 + 27 K2SO4 + 136 H2O
Br{-} + CrO4{2-} + H2O = Br2 + Cr(OH)2 + OH{-} =>
4 Br{-} + CrO4{2-} + 4 H2O = 2 Br2 + Cr(OH)2 + 6 OH{-}
C37H69 + O2 = CO2 + H2O =>
4 C37H69 + 217 O2 = 148 CO2 + 138 H2O
Al + Sn(CO3)2 = Al2(CO3)3 + Sn =>
4 Al + 3 Sn(CO3)2 = 2 Al2(CO3)3 + 3 Sn
Ca(IO3)2 = I2 + O + Ca =>
Ca(IO3)2 = I2 + 6 O + Ca
H2S + Pb(OH)3 = Pb2S3 + H2O =>
3 H2S + 2 Pb(OH)3 = Pb2S3 + 6 H2O
CuSO4 + LiOH = Cu(OH) + LiSO4 =>
CuSO4 + LiOH = Cu(OH) + LiSO4
Ca(CO3) + NaOH = Ca(OH)2 + Na2CO3 =>
Ca(CO3) + 2 NaOH = Ca(OH)2 + Na2CO3
NaCO3 + Ag2NO3 = NaNO3 + Ag2CO3 =>
NaCO3 + Ag2NO3 = NaNO3 + Ag2CO3
Cr2O7{-2} + Fe{+2} + H{+} = Cr{+3} + Fe{+3} + H2O =>
Cr2O7{-2} + 6 Fe{+2} + 14 H{+} = 2 Cr{+3} + 6 Fe{+3} + 7 H2O
I3{-} + Cl2 + H2O = IO3{-} + Cl{-} + H{+} =>
I3{-} + 8 Cl2 + 9 H2O = 3 IO3{-} + 16 Cl{-} + 18 H{+}
C9H11NO4 + H2O2 = C9H5NO4 + H2O =>
C9H11NO4 + 3 H2O2 = C9H5NO4 + 6 H2O
K + CdN2O6 = Cd + KNO3 =>
2 K + CdN2O6 = Cd + 2 KNO3
Fe(SO4) + K2Cr2O7 + H2(SO4) = Fe2(SO4)3 + Cr2(SO4)3 + K2(SO4) + H2O =>
6 Fe(SO4) + K2Cr2O7 + 7 H2(SO4) = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2(SO4) + 7 H2O
MgCl2(aq) + NaOH(aq) = Mg(OH)2(aq) + NaCl(aq) =>
MgCl2(aq) + 2 NaOH(aq) = Mg(OH)2(aq) + 2 NaCl(aq)
FeCl3(s) + NaOH(aq) = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(s) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(aq)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
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