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Fe3 + 9 NaF = 3 FeF3 + 9 Na
CoH(PPh)3N2 + HCl = CoCl2(PPh)2 + PPh + H2 + N2 =>
2 CoH(PPh)3N2 + 4 HCl = 2 CoCl2(PPh)2 + 2 PPh + 3 H2 + 2 N2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Pb + NO3{+} + H{+} = Pb{+2} + NO + H2O =>
5 Pb + 2 NO3{+} + 8 H{+} = 5 Pb{+2} + 2 NO + 4 H2O
O2 + HC = H2O + C =>
O2 + 4 HC = 2 H2O + 4 C
FeS2 + CaO = FeO + CaS2 =>
FeS2 + CaO = FeO + CaS2
Na3(Co(NO2)6) + KNO3 = K3(Co(NO2)6) + NaNO3 =>
Na3(Co(NO2)6) + 3 KNO3 = K3(Co(NO2)6) + 3 NaNO3
Co(MnO4)2 + Ba(HCO3)2 = Co(HCO3)2 + Ba(MnO4)2 =>
Co(MnO4)2 + Ba(HCO3)2 = Co(HCO3)2 + Ba(MnO4)2
NaHSO3 + (NH4)OH = (NH4)HSO3 + NaOH =>
NaHSO3 + (NH4)OH = (NH4)HSO3 + NaOH
Cd + CoCl2 = CdCl2 + Co =>
Cd + CoCl2 = CdCl2 + Co
C2H5OH + P2O5 = C2H4P2O5H2O =>
C2H5OH + P2O5 = C2H4P2O5H2O
NiCl2 + NaOH + H2O2 = Ni(OH)2 + NaOCl + H2O =>
NiCl2 + 2 NaOH + 2 H2O2 = Ni(OH)2 + 2 NaOCl + 2 H2O
CuO + (H2)SO4 = H2O + CuSO4 =>
CuO + (H2)SO4 = H2O + CuSO4
O + H2 = H50O25 =>
25 O + 25 H2 = H50O25
Cl2 + NaOH + NaIO3 = NaIO4 + NaCl + H2O =>
Cl2 + 2 NaOH + NaIO3 = NaIO4 + 2 NaCl + H2O
Zn(NH3)4Cl2 + H2O + Na2S = ZnS + NaCl + NH4OH =>
Zn(NH3)4Cl2 + 4 H2O + Na2S = ZnS + 2 NaCl + 4 NH4OH
S8 + Cl2 = SCl3 =>
S8 + 12 Cl2 = 8 SCl3
MnO2 + H{+} + Cl{-} = Mn + Cl2 + H2O =>
MnO2 + 4 H{+} + 4 Cl{-} = Mn + 2 Cl2 + 2 H2O
N2O5 + Mg(OH)2 = MgO + N(OH)5 =>
N2O5 + 5 Mg(OH)2 = 5 MgO + 2 N(OH)5
Pb(NO3)2 + Br2 + KOH = KNO3 + KBr + PbO2 + H2O =>
Pb(NO3)2 + Br2 + 4 KOH = 2 KNO3 + 2 KBr + PbO2 + 2 H2O
SO2(s) = S8(s) + O2(g) =>
8 SO2(s) = S8(s) + 8 O2(g)
K2SO3 + KHSO4 = K2SO4 + H2O + SO2 =>
K2SO3 + 2 KHSO4 = 2 K2SO4 + H2O + SO2
Cr2O7K2 + Cl2Ca + H2SO4 = (SO4)3Cr2 + SO4K2 + SO4Ca + Cl2 + H2O =>
Cr2O7K2 + 3 Cl2Ca + 7 H2SO4 = (SO4)3Cr2 + SO4K2 + 3 SO4Ca + 3 Cl2 + 7 H2O
C12H14 + HBr + H2O2 = C14H10Br2 + H2O =>
7 C12H14 + 12 HBr + 25 H2O2 = 6 C14H10Br2 + 50 H2O
H2O + Mo3{+} + Br2 = MoO42{-} + H{+} + Br{-} =>
126 H2O + Mo3{+} + 124 Br2 = 3 MoO42{-} + 252 H{+} + 248 Br{-}
KI + KClO3 + H2SO4 = KCl + K2SO4 + H2O + I2 =>
6 KI + KClO3 + 3 H2SO4 = KCl + 3 K2SO4 + 3 H2O + 3 I2
PtBr3 + Na2S = Pt2S3 + NaBr =>
2 PtBr3 + 3 Na2S = Pt2S3 + 6 NaBr
BaS + I2 = BaSI2 =>
BaS + I2 = BaSI2
HNO2 + H2S = H2SO4 + H2O + N2O =>
4 HNO2 + H2S = H2SO4 + 2 H2O + 2 N2O
Na(C2O4) + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + MnSO4 + CO2 + H2O =>
10 Na(C2O4) + 2 KMnO4 + 8 H2SO4 = K2SO4 + 5 Na2SO4 + 2 MnSO4 + 20 CO2 + 8 H2O
Ga(OH)3 + NaOH = Na3[Ga(OH)6] =>
Ga(OH)3 + 3 NaOH = Na3[Ga(OH)6]
KOH + Cr(OH)3 + S = K2Cr2O7 + K2S + H2O =>
8 KOH + 2 Cr(OH)3 + 3 S = K2Cr2O7 + 3 K2S + 7 H2O
KJ + Cl2 + H2O = KJO3 + HCl =>
KJ + 3 Cl2 + 3 H2O = KJO3 + 6 HCl
H3O = H + O =>
H3O = 3 H + O
Pb(OH)4 + HNO2 = Pb(NO2)4 + H2O =>
Pb(OH)4 + 4 HNO2 = Pb(NO2)4 + 4 H2O
Al2[SO4]3 + Ca[OH]2 = Al(OH)3 + CaSO4 =>
Al2[SO4]3 + 3 Ca[OH]2 = 2 Al(OH)3 + 3 CaSO4
CaNO3 + H3PO4 = Ca3(PO4)2 + H2O + NO2 =>
3 CaNO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2O + 3 NO2
PH + KMnO4 + H2SO4 = H3PO4 + K2SO4 + MnSO4 + H2O =>
5 PH + 6 KMnO4 + 9 H2SO4 = 5 H3PO4 + 3 K2SO4 + 6 MnSO4 + 4 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
AlOOH + C3H3N3O3 = Al2O3 + NH3 + CO2 =>
6 AlOOH + C3H3N3O3 = 3 Al2O3 + 3 NH3 + 3 CO2
Pd(OH)4 + H2CrO4 = Pd(CrO4)2 + H2O =>
Pd(OH)4 + 2 H2CrO4 = Pd(CrO4)2 + 4 H2O
Na2S2O3 + NaClO + H2O = Na2SO4 + H2SO4 + NaCl =>
Na2S2O3 + 4 NaClO + H2O = Na2SO4 + H2SO4 + 4 NaCl
Al2O3 + C3H7COOH = Al(C3H7COO)3 + H2O =>
Al2O3 + 6 C3H7COOH = 2 Al(C3H7COO)3 + 3 H2O
MnSO4 + PbO2 + HNO3 = MnO4PbSO4 + Pb(NO3)2 + H2O =>
MnSO4 + 3 PbO2 + 4 HNO3 = MnO4PbSO4 + 2 Pb(NO3)2 + 2 H2O
CH32CH2 + O = CH3CH2 + H2O =>
2 CH32CH2 + 29 O = 2 CH3CH2 + 29 H2O
K2Cr2O7 + NaHSO3 + H2SO4 = K2SO3 + Cr2(SO4)3 + Na2(SO4) + H2O =>
K2Cr2O7 + 4 NaHSO3 + 2 H2SO4 = K2SO3 + Cr2(SO4)3 + 2 Na2(SO4) + 4 H2O
Ag + Na2CO3 = Ag2CO3 + Na =>
2 Ag + Na2CO3 = Ag2CO3 + 2 Na
Ba(NO3)2 + Ag2SO4 = BaSO4 + AgNO3 =>
Ba(NO3)2 + Ag2SO4 = BaSO4 + 2 AgNO3
K2SO4 + FeF3 = Fe2(SO4)3 + KF =>
3 K2SO4 + 2 FeF3 = Fe2(SO4)3 + 6 KF
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