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8 ZnO + C4 = 4 Zn2 + 4 CO2
SO4{2-} + H{+} = H2S + O2 =>
SO4{2-} + 2 H{+} = H2S + 2 O2
Fe2O3 + H2(g) = Fe + H2O(g) =>
Fe2O3 + 3 H2(g) = 2 Fe + 3 H2O(g)
C6H5NO2 + H3O = C6H5NH2 + H2O =>
C6H5NO2 + 6 H3O = C6H5NH2 + 8 H2O
BaCl2(aq) + AgNO3(aq) = AgCl(s) + Ba(NO3)2(aq) =>
BaCl2(aq) + 2 AgNO3(aq) = 2 AgCl(s) + Ba(NO3)2(aq)
OCl{-} + S2O3{-2} + OH{-} = SO4{-2} + Cl{-} + H2O =>
4 OCl{-} + S2O3{-2} + 2 OH{-} = 2 SO4{-2} + 4 Cl{-} + H2O
Pb(CH3COO)2 + PbO + H2O = Pb(OH)CH3COO =>
Pb(CH3COO)2 + PbO + H2O = 2 Pb(OH)CH3COO
FeCl3 + AgNO3 = AgCl + Fe(NO3)3 =>
FeCl3 + 3 AgNO3 = 3 AgCl + Fe(NO3)3
Ba(OH)2*8H2O + CO2 = BaCO3 + H2O =>
Ba(OH)2*8H2O + CO2 = BaCO3 + 9 H2O
C5H10Br2 + Na = C5H10 + NaBr =>
C5H10Br2 + 2 Na = C5H10 + 2 NaBr
Cu2[Fe(CN)6] + HCl = H4[Fe(CN)6] + CuCl2 =>
Cu2[Fe(CN)6] + 4 HCl = H4[Fe(CN)6] + 2 CuCl2
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
CoO + CO2 = CoCO3 =>
CoO + CO2 = CoCO3
CuOH(aq) + H2SO4(aq) = CuSO4 + H2OH =>
CuOH(aq) + H2SO4(aq) = CuSO4 + H2OH
AlCl3 + Ca(C2H3O2)2 = Al(C2H3O2)3 + CaCl2 =>
2 AlCl3 + 3 Ca(C2H3O2)2 = 2 Al(C2H3O2)3 + 3 CaCl2
NH4Br + Pb(C2H3O2)2 = NH4C2H3O2 + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 NH4C2H3O2 + PbBr2
MgSO4 + Fe(NO3)3 = Fe2(SO4)3 + Mg(NO3)2 =>
3 MgSO4 + 2 Fe(NO3)3 = Fe2(SO4)3 + 3 Mg(NO3)2
KMnO4 = K{+} + MnO4{-} =>
KMnO4 = K{+} + MnO4{-}
Na3[Cr(OH)6] + PbO2 + NaOH = Na2[Pb(OH)3] + Na2CrO4 + H2O =>
Na3[Cr(OH)6] + PbO2 + NaOH = Na2[Pb(OH)3] + Na2CrO4 + 2 H2O
Hg{2+} + Fe{2+} = Fe{+3} + Hg2{2+} =>
2 Hg{2+} + 2 Fe{2+} = 2 Fe{+3} + Hg2{2+}
SnCl2 + Br2 = SnCl4 + SnBr2 =>
2 SnCl2 + Br2 = SnCl4 + SnBr2
C2H4O2 + Mg = Mg(C2H3O2)2 + H2 =>
2 C2H4O2 + Mg = Mg(C2H3O2)2 + H2
NaNO3 + K2O = Na2O + KNO3 =>
2 NaNO3 + K2O = Na2O + 2 KNO3
Pb + H2O = Pb(OH2) =>
Pb + H2O = Pb(OH2)
Cu(s) + H{+} + NO3{-}(aq) = Cu{2+}(aq) + H2O + NO(g) =>
3 Cu(s) + 8 H{+} + 2 NO3{-}(aq) = 3 Cu{2+}(aq) + 4 H2O + 2 NO(g)
KMnO4 + Fe{+2} + H{+} = Fe{+3} + Mn{+2} + H2O + K{+} =>
KMnO4 + 5 Fe{+2} + 8 H{+} = 5 Fe{+3} + Mn{+2} + 4 H2O + K{+}
Ca + H2O = Ca(OH)2 + H210 =>
105 Ca + 210 H2O = 105 Ca(OH)2 + H210
LiHCO3 + H2CrO4 = Li2CrO4 + H2O + CO2 =>
2 LiHCO3 + H2CrO4 = Li2CrO4 + 2 H2O + 2 CO2
NH4Br + Pb(C2H3O2)2 = NH4C2H3O2 + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 NH4C2H3O2 + PbBr2
NaI + NaNO2 + H2SO4 = Na2SO4 + NO + I2 + H2O =>
2 NaI + 2 NaNO2 + 2 H2SO4 = 2 Na2SO4 + 2 NO + I2 + 2 H2O
NaOCl + NaI = NaCl + NaIO3 =>
3 NaOCl + NaI = 3 NaCl + NaIO3
[Al(OH)4]{-} + C5H7O2{-} = C15H21AlO6 + OH{-} =>
[Al(OH)4]{-} + 3 C5H7O2{-} = C15H21AlO6 + 4 OH{-}
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
KIO3 + AgNO3 + H2O = KNO3 + AgI + (OH) =>
KIO3 + AgNO3 + 3 H2O = KNO3 + AgI + 6(OH)
Ba(s) + H2O(l) = Ba(OH)2(aq) + H2(g) =>
Ba(s) + 2 H2O(l) = Ba(OH)2(aq) + H2(g)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
carbonmonoxide + oxygen = Carbondioxide =>
2 CO + O2 = 2 CO2
NH + Cl2 = NH4Cl + N2 =>
8 NH + Cl2 = 2 NH4Cl + 3 N2
FeS2 + MnO2 = FeS + SO2 + MnO =>
FeS2 + 2 MnO2 = FeS + SO2 + 2 MnO
Zn + (NH4)2S = ZnS + (NH4)2 =>
Zn + (NH4)2S = ZnS + (NH4)2
MnCl2 + CuSO4 = MnSO4 + CuCl2 =>
MnCl2 + CuSO4 = MnSO4 + CuCl2
H3PO2 + KMnO4 + HCl = H3PO4 + KCl + MnCl2 + H2O =>
5 H3PO2 + 4 KMnO4 + 12 HCl = 5 H3PO4 + 4 KCl + 4 MnCl2 + 6 H2O
Al(OH)3 + CO2 = C(OH)4 + Al2O3 =>
4 Al(OH)3 + 3 CO2 = 3 C(OH)4 + 2 Al2O3
NH4OH + K2HPO3 = H2O + PO3 + NH4 + K =>
NH4OH + K2HPO3 = H2O + PO3 + NH4 + 2 K
HCl + Ca(OH)2 = CaH + Cl(OH)2 =>
HCl + Ca(OH)2 = CaH + Cl(OH)2
HNO3 + HCl = H2 + NO3Cl =>
HNO3 + HCl = H2 + NO3Cl
Ba(NO3)2 + K2SiO3 = BaSiO3 + KNO3 =>
Ba(NO3)2 + K2SiO3 = BaSiO3 + 2 KNO3
KNO3 + ZnCl2 = ZnNO3 + KCl2 =>
KNO3 + ZnCl2 = ZnNO3 + KCl2
K2CrO4 + Na2S + H2SO4 = Cr2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
8 K2CrO4 + 3 Na2S + 20 H2SO4 = 4 Cr2(SO4)3 + 3 Na2SO4 + 8 K2SO4 + 20 H2O
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