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4 CuS + 8 HCl + K2S2O8 = 4 CuCl2 + 5 S + K2SO4 + 4 H2O
Li2O + Pb = PbO + Li2 =>
Li2O + Pb = PbO + Li2
H2 + SnCl2 = H2SnCl2 =>
H2 + SnCl2 = H2SnCl2
Cu + NH3 + O2 + H2O = [Cu(NH3)4]{2+} + OH{-} =>
2 Cu + 8 NH3 + O2 + 2 H2O = 2[Cu(NH3)4]{2+} + 4 OH{-}
NH3 + NO3 = NH2O =>
2 NH3 + NO3 = 3 NH2O
H2SO4 + Li2SO3 = Li2SO4 + H2O + SO2 =>
H2SO4 + Li2SO3 = Li2SO4 + H2O + SO2
Zn(g) + S(g) = ZnS =>
Zn(g) + S(g) = ZnS
C2H4O + Cu(OH)2 = Cu2O + H2O + CO2 =>
C2H4O + 10 Cu(OH)2 = 5 Cu2O + 12 H2O + 2 CO2
Al(s) + HCl = AlCl3(s) + H2(g) =>
2 Al(s) + 6 HCl = 2 AlCl3(s) + 3 H2(g)
CO2 + CH3OH = (CH3O)2CO + H2O =>
CO2 + 2 CH3OH = (CH3O)2CO + H2O
Ca(OH)2 + SrCl2 = CaCl2 + Sr(OH)2 =>
Ca(OH)2 + SrCl2 = CaCl2 + Sr(OH)2
H2O2 + KMnO4 = H2(MnO4) + K + O2 =>
H2O2 + KMnO4 = H2(MnO4) + K + O2
Ca(OH)2 + H2SO4 = H2O + CaSO4 =>
Ca(OH)2 + H2SO4 = 2 H2O + CaSO4
HCN = H{+} + CN{-} =>
HCN = H{+} + CN{-}
HOOCCOOH + NaOH = Na2OOCCOO + H2O =>
HOOCCOOH + 2 NaOH = Na2OOCCOO + 2 H2O
C5H6 + C4H4O4 = C9H10O4 =>
C5H6 + C4H4O4 = C9H10O4
Mg(OH)2(aq) + HCl(g) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(g) = MgCl2(aq) + 2 H2O(l)
NaIO3 + SO2 + H2O = NaI + H2SO4 =>
NaIO3 + 3 SO2 + 3 H2O = NaI + 3 H2SO4
K2O + H2O = K{+} + OH{-} =>
K2O + H2O = 2 K{+} + 2 OH{-}
NaHCO3 + HBr = NaBr + CO2 + H2O =>
NaHCO3 + HBr = NaBr + CO2 + H2O
Ca10F2P6O24 + H14S7O28 = Ca2H8P4O16 + Ca5S5O20 + H2F2 =>
10 Ca10F2P6O24 + 10 H14S7O28 = 15 Ca2H8P4O16 + 14 Ca5S5O20 + 10 H2F2
TiCl4 + EtMgBr = Ti(Et)4 + MgClBr =>
TiCl4 + 4 EtMgBr = Ti(Et)4 + 4 MgClBr
FeCO3 + ZnCl2 = FeCl2 + ZnCO3 =>
FeCO3 + ZnCl2 = FeCl2 + ZnCO3
CrSO4 + KMnO4 + H2O = H2Cr2O7 + H2SO4 + MnSO4 + KOH =>
10 CrSO4 + 8 KMnO4 + 11 H2O = 5 H2Cr2O7 + 2 H2SO4 + 8 MnSO4 + 8 KOH
AlF3 + LiOH = Al(OH)3 + LiF =>
AlF3 + 3 LiOH = Al(OH)3 + 3 LiF
KNO3 + NaF = KF + NaNO3 =>
KNO3 + NaF = KF + NaNO3
Al4Si9 + Cu + C2H2HCl = AlCl3 + CuC2 + Si + H =>
Al4Si9 + 12 Cu + 12 C2H2HCl = 4 AlCl3 + 12 CuC2 + 9 Si + 36 H
[Ni(NH3)6]SO4 + HCl = NH4Cl + NiSO4 =>
[Ni(NH3)6]SO4 + 6 HCl = 6 NH4Cl + NiSO4
FeCuS2 + HNO3 = Fe(NO3)2 + Cu(NO3)2 + H2SO4 + NO2 + H2O =>
FeCuS2 + 20 HNO3 = Fe(NO3)2 + Cu(NO3)2 + 2 H2SO4 + 16 NO2 + 8 H2O
HPO3 + C = CO + P + H2O =>
2 HPO3 + 5 C = 5 CO + 2 P + H2O
C6H14N2O2 + H2O = C4H10O2 + CH3COOH + NH3 =>
3 C6H14N2O2 + 8 H2O = 2 C4H10O2 + 5 CH3COOH + 6 NH3
Cu(NO3)2 + Na2(CO3) = Cu(CO3) + Na2(NO3)2 =>
Cu(NO3)2 + Na2(CO3) = Cu(CO3) + Na2(NO3)2
Na3Fe(CN)6 + Pb(C2O4)2 = Na2C2O4 + Pb3[Fe(CN)6]4 =>
4 Na3Fe(CN)6 + 3 Pb(C2O4)2 = 6 Na2C2O4 + Pb3[Fe(CN)6]4
Na2CO3 + C2H4O2 = NaC2H3O2 + H2CO3 =>
Na2CO3 + 2 C2H4O2 = 2 NaC2H3O2 + H2CO3
W + N2 = WN =>
2 W + N2 = 2 WN
Hg(NO3)2 + H2O = Hg(OH)2 + HNO3 =>
Hg(NO3)2 + 2 H2O = Hg(OH)2 + 2 HNO3
CH2Cl2 + Cl2 = CCl4 + HCl =>
CH2Cl2 + 2 Cl2 = CCl4 + 2 HCl
Au + O3 = Au2O3 =>
2 Au + O3 = Au2O3
*Na2SO3 + HCl = NaCl + SO2 + H2O =>
*Na2SO3 + 2 HCl = 2 NaCl + SO2 + H2O
P4O6(s) + H2O(l) = H3PO3(aq) =>
P4O6(s) + 6 H2O(l) = 4 H3PO3(aq)
Pb(NO3)2(ac) + KCl = PbCl2 + KNO3 =>
Pb(NO3)2(ac) + 2 KCl = PbCl2 + 2 KNO3
Al(OH)3 + CH3COOH = Al(C6H3O2)3 + H2O =>
Al(OH)3 + 9 CH3COOH = Al(C6H3O2)3 + 15 H2O
C9H21O4P + O2 = CO2 + H2O + P =>
4 C9H21O4P + 49 O2 = 36 CO2 + 42 H2O + 4 P
IO2 + OH = IO3 + H2O =>
IO2 + 2 OH = IO3 + H2O
HCOOH + NaCN = HCN + NaHCOO =>
HCOOH + NaCN = HCN + NaHCOO
K3(SO4) = K + SO4 =>
K3(SO4) = 3 K + SO4
C16H33OH + O2 = C + H2O =>
C16H33OH + 8 O2 = 16 C + 17 H2O
Na2HPO4 + KOH = K3PO4 + Na3PO4 + H2O =>
3 Na2HPO4 + 3 KOH = K3PO4 + 2 Na3PO4 + 3 H2O
Zn(SCN)2 + Cr = ZnCr + SCN =>
Zn(SCN)2 + Cr = ZnCr + 2 SCN
NH4PO4 + ZnSO4 = ZnNH4 + SO4PO4 =>
NH4PO4 + ZnSO4 = ZnNH4 + SO4PO4
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