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2 Mn + 6 HBr = 2 MnBr3 + 3 H2
FeCl3 + KI + H2O = Fe(OH)3 + I2 + KCl + H2 =>
2 FeCl3 + 6 KI + 6 H2O = 2 Fe(OH)3 + 3 I2 + 6 KCl + 3 H2
Na2Cr2O7 + KNO2 + H2SO4 = Cr2(SO4)3 + KNO3 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 KNO2 + 4 H2SO4 = Cr2(SO4)3 + 3 KNO3 + Na2SO4 + 4 H2O
H2O2 + KMnO4 + H2SO4 = O2 + MnSO4 + K2SO4H20 =>
7 H2O2 + 2 KMnO4 + 3 H2SO4 = 11 O2 + 2 MnSO4 + K2SO4H20
WSe2 + WNi = W + Ni3Se2 =>
WSe2 + 3 WNi = 4 W + Ni3Se2
C7H5N3O6 = H2O + CO2 + C + N2 =>
4 C7H5N3O6 = 10 H2O + 7 CO2 + 21 C + 6 N2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
C2H2O4*2H2O + NaOH = CO4 + Na + H2O =>
C2H2O4*2H2O + 10 NaOH = 2 CO4 + 10 Na + 8 H2O
CaO + Pb(OH)2 = CaPbO2 + H2O =>
CaO + Pb(OH)2 = CaPbO2 + H2O
CH3CH2OH + H2O = CH3CH3OH + OH =>
CH3CH2OH + H2O = CH3CH3OH + OH
*2Cu + O2 = CuO =>
*2Cu + O2 = 2 CuO
P4O10 + NaOH = H2O + Na3PO4 =>
P4O10 + 12 NaOH = 6 H2O + 4 Na3PO4
N2O5 + NaOH = N(OH)5 + Na2O =>
N2O5 + 10 NaOH = 2 N(OH)5 + 5 Na2O
X + O2 = XO =>
2 X + O2 = 2 XO
MgCu = CuMg =>
MgCu = CuMg
MgS + Zn = ZnS + Mg =>
MgS + Zn = ZnS + Mg
CaC2O2 + HCl = CaCl2 + H2C2O2 =>
CaC2O2 + 2 HCl = CaCl2 + H2C2O2
MgBr2 + H2SO4 = MgSO4 + Br2 + H2O + SO2 =>
MgBr2 + 2 H2SO4 = MgSO4 + Br2 + 2 H2O + SO2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Li2O + HBrO4 = LiBrO4 + H2O =>
Li2O + 2 HBrO4 = 2 LiBrO4 + H2O
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
KHCO3 + HNO3 = KNO3 + H2CO3 =>
KHCO3 + HNO3 = KNO3 + H2CO3
CaCl2*2H2O + (NH4)2HPO4 + NH4OH = Ca10(PO4)6(OH)2 + NH4Cl + H2O =>
10 CaCl2*2H2O + 6(NH4)2HPO4 + 8 NH4OH = Ca10(PO4)6(OH)2 + 20 NH4Cl + 26 H2O
FeS2 + O2 = Fe2O3 + SO2 = SO2 + O2 = SO3 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
V + Y2 = YV =>
2 V + Y2 = 2 YV
KCr2O7 + FeCl2 + HCl = CrCl3 + KCl + FeCl3 + H2O =>
KCr2O7 + 7 FeCl2 + 14 HCl = 2 CrCl3 + KCl + 7 FeCl3 + 7 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CoCl2 + NH4Cl + NH3 + O2 = Co(NH3)6Cl3 + H2O =>
4 CoCl2 + 4 NH4Cl + 20 NH3 + O2 = 4 Co(NH3)6Cl3 + 2 H2O
CH3ONa + O2 = CO2 + Na2CO3 + H2O =>
2 CH3ONa + 3 O2 = CO2 + Na2CO3 + 3 H2O
FeCl2 + K(OH) = Fe(OH)2 + KCl =>
FeCl2 + 2 K(OH) = Fe(OH)2 + 2 KCl
HClO4 + KBr = HClO3 + KBrO3 =>
3 HClO4 + KBr = 3 HClO3 + KBrO3
Fe(SCN)3 + SnCl2 = FeCl3 + Sn(SCN)2 =>
2 Fe(SCN)3 + 3 SnCl2 = 2 FeCl3 + 3 Sn(SCN)2
NaOH + AlSO4 = Na2SO4 + Al(OH)2 =>
2 NaOH + AlSO4 = Na2SO4 + Al(OH)2
Cr2(SO4)3 + SrCl2 = CrCl3 + SO4Sr =>
Cr2(SO4)3 + 3 SrCl2 = 2 CrCl3 + 3 SO4Sr
CaSO4 + Na2CO3 = Na2SO4 + CaCO3 =>
CaSO4 + Na2CO3 = Na2SO4 + CaCO3
ClO{-} + H2O + {-} = Cl{-} + OH{-} =>
ClO{-} + H2O + 2e = Cl{-} + 2 OH{-}
Cd3(PO4)2 + (NH4)2S = (NH4)3PO4 + CdS =>
Cd3(PO4)2 + 3(NH4)2S = 2(NH4)3PO4 + 3 CdS
AhNO3 + HCl = AhCl + HNO3 =>
AhNO3 + HCl = AhCl + HNO3
Cu(s) + FeCl3(aq) = Cl + FeCu =>
Cu(s) + FeCl3(aq) = 3 Cl + FeCu
Li2CO3 + Fe2O3 + H3PO4 + C6H12O6 = LiFePO4 + H2O + CO2 =>
12 Li2CO3 + 12 Fe2O3 + 24 H3PO4 + C6H12O6 = 24 LiFePO4 + 42 H2O + 18 CO2
C9H8O3 + NaHCO3 = Na + CO2 + H2O =>
C9H8O3 + 38 NaHCO3 = 38 Na + 47 CO2 + 23 H2O
K2CrO4 + FeCl3 = Fe2(CrO4)3 + KCl =>
3 K2CrO4 + 2 FeCl3 = Fe2(CrO4)3 + 6 KCl
CuO + NH3 = H2O + NH + Cu =>
CuO + NH3 = H2O + NH + Cu
C6H5Cl + CuO = C6H5Cu + ClO =>
C6H5Cl + CuO = C6H5Cu + ClO
Na2 + Si + O2 = NaSiO4 =>
Na2 + 2 Si + 4 O2 = 2 NaSiO4
K2MnO4 + H2SO4 = KMnO4 + MnO2 + K2SO4 + KOH =>
3 K2MnO4 + H2SO4 = 2 KMnO4 + MnO2 + K2SO4 + 2 KOH
K2Cr2O7 + H2O + S = SO2 + KOH + Cr2O3 =>
2 K2Cr2O7 + 2 H2O + 3 S = 3 SO2 + 4 KOH + 2 Cr2O3
BeCO3 + HBr = BeBr2 + H2CO3 =>
BeCO3 + 2 HBr = BeBr2 + H2CO3
NaBH4 + C2H5OH = NaB(OC2H5)4 + H2 =>
NaBH4 + 4 C2H5OH = NaB(OC2H5)4 + 4 H2
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