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Na2SO3 + 6 KHSO4 = 2 NaSO4 + 3 H2O + 2 SO2 + 3 K2SO4
Fe2O3 = Fe + O =>
Fe2O3 = 2 Fe + 3 O
X + Z = XZ3 =>
X + 3 Z = XZ3
Cu2FeS3 + O2 + H2SO4 = CuSO4 + Fe2(SO4)3 + H2O =>
4 Cu2FeS3 + 25 O2 + 2 H2SO4 = 8 CuSO4 + 2 Fe2(SO4)3 + 2 H2O
Cl2 + C2O4{-}2 = Cl{-} + CO2 =>
Cl2 + 2 C2O4{-}2 = 2 Cl{-} + 4 CO2
CaCO3 + H2O = Ca + OH + H2CO3 =>
CaCO3 + 2 H2O = Ca + 2 OH + H2CO3
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
FeO + H2O + CO2 = Fe3O4 + CH4 =>
12 FeO + 2 H2O + CO2 = 4 Fe3O4 + CH4
Al + CdSO4 = Cd + (AlSO4)3 =>
3 Al + 3 CdSO4 = 3 Cd + (AlSO4)3
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
Pb3N4 + Hg(ClO4)2 = Pb(ClO4)4 + Hg3N2 =>
Pb3N4 + 6 Hg(ClO4)2 = 3 Pb(ClO4)4 + 2 Hg3N2
Al2(CO3)3(s) + H3PO4(aq) = AlPO4(s) + H2O(l) + CO2(g) =>
Al2(CO3)3(s) + 2 H3PO4(aq) = 2 AlPO4(s) + 3 H2O(l) + 3 CO2(g)
MnCl2 + NaBrO + NaOH = HMnO4 + NaBr + H2O + NaCl =>
2 MnCl2 + 5 NaBrO + 4 NaOH = 2 HMnO4 + 5 NaBr + H2O + 4 NaCl
CH3COONH4 + HCl = NH4Cl + CH4 + CO2 =>
CH3COONH4 + HCl = NH4Cl + CH4 + CO2
BaSO4 + K2CrO4 = BaCrO4 + K2SO4 =>
BaSO4 + K2CrO4 = BaCrO4 + K2SO4
Cz(OH)3 = Cz2O3 + H2O =>
2 Cz(OH)3 = Cz2O3 + 3 H2O
H2 + HgO = Hg + H2O =>
H2 + HgO = Hg + H2O
KMnO4 + SnSO4 + H2SO4 = Sn(SO4)2 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 SnSO4 + 8 H2SO4 = 5 Sn(SO4)2 + 2 MnSO4 + K2SO4 + 8 H2O
CrO42{-} + H{+} + Cl{-} = Cr3{+} + Cl2 + H2O =>
3 CrO42{-} + 252 H{+} + 248 Cl{-} = Cr3{+} + 124 Cl2 + 126 H2O
CH2(OH)COOH + KMnO4 + H2SO4 = (COOH)2 + K2SO4 + MnSO4 + H2O =>
5 CH2(OH)COOH + 4 KMnO4 + 6 H2SO4 = 5(COOH)2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
CaS + H3BO3 = CaBO3 + H3S =>
CaS + H3BO3 = CaBO3 + H3S
N2H4 + KBrO3 = N2 + KBr + H2O =>
3 N2H4 + 2 KBrO3 = 3 N2 + 2 KBr + 6 H2O
KCl + Ag2SO4 = AgCl + K2SO4 =>
2 KCl + Ag2SO4 = 2 AgCl + K2SO4
HClO4 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
2 HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2 H2O
C10H8O + KOH = C10H7O + H2O + K =>
C10H8O + KOH = C10H7O + H2O + K
CuS2 + HCl = CuCl + HS2 =>
CuS2 + HCl = CuCl + HS2
ZnCl + Na2(SO4) = Zn2(SO4) + NaCl =>
2 ZnCl + Na2(SO4) = Zn2(SO4) + 2 NaCl
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Cu(ll) + AgNO3 = Cu(NO3)2 + Ag =>
Cu(ll) + 2 AgNO3 = Cu(NO3)2 + 2 Ag
BaSO4 + K2CrO4 = BaCrO4 + K2SO4 =>
BaSO4 + K2CrO4 = BaCrO4 + K2SO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H3PO4 + CuO = Cu3(PO4)2 + H2O =>
2 H3PO4 + 3 CuO = Cu3(PO4)2 + 3 H2O
Al(OH)3(aq) = Al2O3(s) + H2O(g) =>
2 Al(OH)3(aq) = Al2O3(s) + 3 H2O(g)
Mg + N2O5 = MgO + N2 =>
5 Mg + N2O5 = 5 MgO + N2
KIO3 + KI = I3 + KO =>
KIO3 + 2 KI = I3 + 3 KO
NaS + CuCl2 = CuS2 + NaCl =>
2 NaS + CuCl2 = CuS2 + 2 NaCl
CuCl2 + HCl = [CuCl4]{2-} + H{+} =>
CuCl2 + 2 HCl = [CuCl4]{2-} + 2 H{+}
Fe2(SO4)3 + LiOH = Fe(OH)3 + Li2(SO4) =>
Fe2(SO4)3 + 6 LiOH = 2 Fe(OH)3 + 3 Li2(SO4)
NaCl + B2O3 = BCl3 + Na2O =>
6 NaCl + B2O3 = 2 BCl3 + 3 Na2O
I2 + Cl2 + H2O = HIO3 + HCl =>
I2 + 5 Cl2 + 6 H2O = 2 HIO3 + 10 HCl
Na2SO3 + KHSO4 = NaSO4 + H2O + SO2 + K2SO4 =>
Na2SO3 + 6 KHSO4 = 2 NaSO4 + 3 H2O + 2 SO2 + 3 K2SO4
SO2 + Pb(NO3)2 = PbS + NO2 + O2 =>
SO2 + Pb(NO3)2 = PbS + 2 NO2 + 2 O2
(CH3)2SO + CH3I = [(CH3)3SO]I =>
(CH3)2SO + CH3I = [(CH3)3SO]I
{4-} + H{+} + MnO4{-} = MnO2 + H2O =>
3{4-} + 16 H{+} + 4 MnO4{-} = 4 MnO2 + 8 H2O
iron + hydrochloricacid = iron(II)chloride + hydrogen =>
Fe + 2 HCl = FeCl2 + H2
Na2S2O3 + NaIO3 + NaOH = Na2SO4 + NaI + H2O =>
3 Na2S2O3 + 4 NaIO3 + 6 NaOH = 6 Na2SO4 + 4 NaI + 3 H2O
SiO4 + Al = Al2O3 + Si =>
3 SiO4 + 8 Al = 4 Al2O3 + 3 Si
NaCl + Ag = Na + AgCl =>
NaCl + Ag = Na + AgCl
Mg(NO)2 + KBrO3 = Mg(BrO3)2 + KNO =>
Mg(NO)2 + 2 KBrO3 = Mg(BrO3)2 + 2 KNO
Zr + NaNO3 + NaOH = Na4ZrO4 + NH3 + H2O =>
2 Zr + NaNO3 + 7 NaOH = 2 Na4ZrO4 + NH3 + 2 H2O
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