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3 ZrO2 + 7 Al = 3 ZrAl + 2 Al2O3
CaSO4 + Al2O3 = Al2(SO4)3 + CaO =>
3 CaSO4 + Al2O3 = Al2(SO4)3 + 3 CaO
C8H8O3 + C11H10N2O2 = C11H8N2O2C8H8O2 + H2O =>
C8H8O3 + C11H10N2O2 = C11H8N2O2C8H8O2 + H2O
KMnO4 + C2H2O4 + HCl = KCl + MnCl2 + CO2 + H2O =>
2 KMnO4 + 5 C2H2O4 + 6 HCl = 2 KCl + 2 MnCl2 + 10 CO2 + 8 H2O
Pb02 = Pb0 =>
Pb02 = 2 Pb0
Zn(NO3)2(aq) + Na2CO3 = NaNO3 + ZnCO3 =>
Zn(NO3)2(aq) + Na2CO3 = 2 NaNO3 + ZnCO3
HC2H3O2(aq) + Ca(OH)2(aq) = H2O(l) + Ca(C2H3O2)2(aq) =>
2 HC2H3O2(aq) + Ca(OH)2(aq) = 2 H2O(l) + Ca(C2H3O2)2(aq)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
H + Ca10(PO4)6CO3 = Ca + HPO4 + CO2 + H2O =>
8 H + Ca10(PO4)6CO3 = 10 Ca + 6 HPO4 + CO2 + H2O
BaCl2 + AgNO3 = Ba(NO3)2(solid) + AgCl =>
BaCl2 + 2 AgNO3 = Ba(NO3)2(solid) + 2 AgCl
NaBr + Cl2 = Na3Cl + Br2 =>
6 NaBr + Cl2 = 2 Na3Cl + 3 Br2
K2SO3 + H2SO4 = K2SO4 + SO2 + H2O =>
K2SO3 + H2SO4 = K2SO4 + SO2 + H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaOH + BeO = Na2O + Be(OH)2 =>
2 NaOH + BeO = Na2O + Be(OH)2
C5H11Cl + KCN = C6H11N + KCl =>
C5H11Cl + KCN = C6H11N + KCl
Li(ClO3) + (NH4)Cl = (NH4)(ClO3) + LiCl =>
Li(ClO3) + (NH4)Cl = (NH4)(ClO3) + LiCl
Al2NO3 + HN4Cl = AlCl3 + N2 + H2O =>
2 Al2NO3 + 12 HN4Cl = 4 AlCl3 + 25 N2 + 6 H2O
P2O5 + HCl = P2Cl2O4 + H2O =>
P2O5 + 2 HCl = P2Cl2O4 + H2O
C8H18 + HCl = CCl2 + H2Cl =>
C8H18 + 50 HCl = 8 CCl2 + 34 H2Cl
H2O + NaCl + CuSO4 + SO2 = Na2SO4 + CuCl + H2SO4 =>
2 H2O + 2 NaCl + 2 CuSO4 + SO2 = Na2SO4 + 2 CuCl + 2 H2SO4
[Fe(CN)6]{-4} + Cu2(SO4)3 = Cu4[Fe(CN)6]3 + SO4{-2} =>
3[Fe(CN)6]{-4} + 2 Cu2(SO4)3 = Cu4[Fe(CN)6]3 + 6 SO4{-2}
Na2(CO3) + Fe(OH)3 = Fe2(CO3)3 + NaOH =>
3 Na2(CO3) + 2 Fe(OH)3 = Fe2(CO3)3 + 6 NaOH
Ca(NO3)2 + K2CO3 = KNO3 + CaCO3 =>
Ca(NO3)2 + K2CO3 = 2 KNO3 + CaCO3
Fe(NO3)2 + NaOH = Fe(OH)2 + NO3Na =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NO3Na
Mg + Fe(NO3)3 = Fe2 + Mg(NO3)3 =>
2 Mg + 2 Fe(NO3)3 = Fe2 + 2 Mg(NO3)3
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
BaCO3 + NaHCO3 = Ba(HCO3)2 + Na2CO3 =>
BaCO3 + 2 NaHCO3 = Ba(HCO3)2 + Na2CO3
CaCo + HCl = CaCl2 + CoCl2 + H2 =>
CaCo + 4 HCl = CaCl2 + CoCl2 + 2 H2
C2H5ONa + H2S = NaHS + C2H5OH =>
C2H5ONa + H2S = NaHS + C2H5OH
BaCO3 + NaHCO3 = Ba(HCO3)2 + Na2CO3 =>
BaCO3 + 2 NaHCO3 = Ba(HCO3)2 + Na2CO3
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al + ClO = AlCl3 + O2 =>
2 Al + 6 ClO = 2 AlCl3 + 3 O2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(OH)2 + HI = CaI2 + H2O =>
Ca(OH)2 + 2 HI = CaI2 + 2 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
LiBH4 + KClO4 = Li2O + B2O4 + KCl + H2 =>
8 LiBH4 + 5 KClO4 = 4 Li2O + 4 B2O4 + 5 KCl + 16 H2
Fe2O3 + Ca3(PO4)2 = Fe(PO4) + CaO =>
Fe2O3 + Ca3(PO4)2 = 2 Fe(PO4) + 3 CaO
Zn(OH)2 + CO2 = (ZnOH)2CO3 + H2O =>
2 Zn(OH)2 + CO2 = (ZnOH)2CO3 + H2O
N2O3 + H2O = (HNO2) =>
N2O3 + H2O = 2(HNO2)
C2H2 + CuCl + NH4OH = C2Cu2 + NH4Cl + H2O =>
C2H2 + 2 CuCl + 2 NH4OH = C2Cu2 + 2 NH4Cl + 2 H2O
NiS + O2 = NiO + SO4 =>
2 NiS + 5 O2 = 2 NiO + 2 SO4
TiCl3 + Na2O2 + NaOH = Na2TiO3 + NaCl + H2O =>
2 TiCl3 + Na2O2 + 8 NaOH = 2 Na2TiO3 + 6 NaCl + 4 H2O
H2SO4 + Cu = CuSO4 + H2O + SO2 =>
2 H2SO4 + Cu = CuSO4 + 2 H2O + SO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
K2Cr2O7 + HBr = Br2 + CrBr3 + KBr + H2O =>
K2Cr2O7 + 14 HBr = 3 Br2 + 2 CrBr3 + 2 KBr + 7 H2O
Bi2S3 + Te = Bi2Te3 + S =>
Bi2S3 + 3 Te = Bi2Te3 + 3 S
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