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2 FeS2 + 19 H2O = Fe2O3 + 30 H + 4 H2SO4
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
Ca(NO3)2 + Na2(C2O4) = Ca(C2O4) + Na2(NO3)2 =>
Ca(NO3)2 + Na2(C2O4) = Ca(C2O4) + Na2(NO3)2
KMnO4 + CuO = K2O + Cu(MnO4)2 =>
2 KMnO4 + CuO = K2O + Cu(MnO4)2
CuCl2 + Li2CO3 = CuCO3 + LiCl =>
CuCl2 + Li2CO3 = CuCO3 + 2 LiCl
C4H6 + Na = C4H5Na + H2 =>
2 C4H6 + 2 Na = 2 C4H5Na + H2
C3H7COOH + Al2O3 = (C3H7COO)3Al + H2O =>
6 C3H7COOH + Al2O3 = 2(C3H7COO)3Al + 3 H2O
CrSO4 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 =>
6 CrSO4 + K2Cr2O7 + 7 H2SO4 = 4 Cr2(SO4)3 + 7 H2O + K2SO4
Cu2 + MgSO4 = CuSO4 + Mg =>
Cu2 + 2 MgSO4 = 2 CuSO4 + 2 Mg
Mg(OH)2 + SO4 = MgSO4 + OH =>
Mg(OH)2 + SO4 = MgSO4 + 2 OH
BaSO4 + NaHCO3 = NaSO4 + BaHCO3 =>
BaSO4 + NaHCO3 = NaSO4 + BaHCO3
HCl + KMnO4 + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O =>
10 HCl + 2 KMnO4 + 3 H2SO4 = 5 Cl2 + K2SO4 + 2 MnSO4 + 8 H2O
NH4Cl + Pb(NO3) = NH4NO3 + PbCl =>
NH4Cl + Pb(NO3) = NH4NO3 + PbCl
Zn + Cu(OH)2 = Cu + Zn(OH)2 =>
Zn + Cu(OH)2 = Cu + Zn(OH)2
P4O6 + I2 = P2I4 + P4O10 =>
5 P4O6 + 8 I2 = 4 P2I4 + 3 P4O10
ZnSO4 + HCl = ZnCl2 + H2SO4 =>
ZnSO4 + 2 HCl = ZnCl2 + H2SO4
H2 + Mn = HMn =>
H2 + 2 Mn = 2 HMn
BaCl2 + H2O = BaOHCl + HCl =>
BaCl2 + H2O = BaOHCl + HCl
NaOH = Na2O + H2O =>
2 NaOH = Na2O + H2O
Ni(C4H8N2O2)2 = Ni + C4H8N2O2 =>
Ni(C4H8N2O2)2 = Ni + 2 C4H8N2O2
Na2S + H2O = Na2O + H2S =>
Na2S + H2O = Na2O + H2S
ZnI2 + H2O = Zn(OH)2 + HI =>
ZnI2 + 2 H2O = Zn(OH)2 + 2 HI
O2 + C25H50 = CO2 + H2O =>
75 O2 + 2 C25H50 = 50 CO2 + 50 H2O
C2H2 + Br2 = C2H2Br4 =>
C2H2 + 2 Br2 = C2H2Br4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
FeCl2 + H2SO4 + HCl = FeCl3 + SO2 + H2O =>
2 FeCl2 + H2SO4 + 2 HCl = 2 FeCl3 + SO2 + 2 H2O
Ba(NO3)2 + NaOH = Ba(OH)2 + NaNO3 =>
Ba(NO3)2 + 2 NaOH = Ba(OH)2 + 2 NaNO3
Ca2Cl = Ca + Cl2 =>
2 Ca2Cl = 4 Ca + Cl2
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg + ZnCl2 = MgCl2 + Zn =>
Mg + ZnCl2 = MgCl2 + Zn
Na(OH) + Mg(SO4)2 = Na(SO4) + Mg(OH)2 =>
2 Na(OH) + Mg(SO4)2 = 2 Na(SO4) + Mg(OH)2
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
CH3COO + NaOH = NaOH(CH3COO) =>
CH3COO + NaOH = NaOH(CH3COO)
CuSO4 + KI = CuI + I2 + K3SO4 =>
CuSO4 + 3 KI = CuI + I2 + K3SO4
N2H4 + CuSO4 + NaOH = N2 + Cu2SO4 + Na2SO4 + H2O =>
N2H4 + 4 CuSO4 + 4 NaOH = N2 + 2 Cu2SO4 + 2 Na2SO4 + 4 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
RuCl3*2H2O + PPh3 + H2CO3 = RuHCl(CO)(PPh3)3 + OPPh3 + H2O + HCl =>
2 RuCl3*2H2O + 11 PPh3 + 2 H2CO3 = 2 RuHCl(CO)(PPh3)3 + 5 OPPh3 + 3 H2O + 4 HCl
Mn{2+} + O2 + e = Mn2O3 =>
4 Mn{2+} + 3 O2 + 8e = 2 Mn2O3
Cl2 + PbI4 = Pb(Cl)4 + I2 =>
2 Cl2 + PbI4 = Pb(Cl)4 + 2 I2
Al(OH)3 + Na2O + H2O = Na3[Al(OH)6] =>
2 Al(OH)3 + 3 Na2O + 3 H2O = 2 Na3[Al(OH)6]
SbCl3 + H2O = SbOCl + HCl =>
SbCl3 + H2O = SbOCl + 2 HCl
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Ag2S + SrS + Si + S = Ag2SrSiS4 =>
Ag2S + SrS + Si + 2 S = Ag2SrSiS4
CaOH + HCl = CaOHCl + H =>
CaOH + HCl = CaOHCl + H
K2CrO4 + LiOH = Li2CrO4 + KOH =>
K2CrO4 + 2 LiOH = Li2CrO4 + 2 KOH
FeS + O2 = Fe3O4 + SO2 =>
3 FeS + 5 O2 = Fe3O4 + 3 SO2
Ni(C4H8N2O2)2 = Ni + C4H8N2O2 =>
Ni(C4H8N2O2)2 = Ni + 2 C4H8N2O2
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