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2 KBr + PbO2 + 2 H2SO4 = PbSO4 + Br2 + K2SO4 + 2 H2O
Pb + Fe = PbFe2 =>
Pb + 2 Fe = PbFe2
PbSO4 + AgBr = PbBr2 + Ag2SO4 =>
PbSO4 + 2 AgBr = PbBr2 + Ag2SO4
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
HBr + Fe = FeBr2 + H2 =>
2 HBr + Fe = FeBr2 + H2
NaNO2(l) + H2SO4(l) + Na2Cr2O7 = Cr2SO4(aq) + Na2SO4(aq) + NaNO3(aq) + H2O(l) =>
5 NaNO2(l) + 2 H2SO4(l) + Na2Cr2O7 = Cr2SO4(aq) + Na2SO4(aq) + 5 NaNO3(aq) + 2 H2O(l)
(CH2)5NH + H2O = (CH2)5NH2 + OH =>
(CH2)5NH + H2O = (CH2)5NH2 + OH
SiH2Cl2 + C4H11N + C6H14 = C8H22N2Si + C6H15Cl =>
SiH2Cl2 + 2 C4H11N + 2 C6H14 = C8H22N2Si + 2 C6H15Cl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NO2 + H2O = HNO3 + H2 =>
2 NO2 + 2 H2O = 2 HNO3 + H2
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
N2O5 = N2O4 + O2 =>
2 N2O5 = 2 N2O4 + O2
C2H5OH + KCl = C2H5Cl + KOH =>
C2H5OH + KCl = C2H5Cl + KOH
HCl + K2CrO4 = CrCl + KCl + O2 + H2O =>
12 HCl + 4 K2CrO4 = 4 CrCl + 8 KCl + 5 O2 + 6 H2O
CH3CH2NH2 + HCl = CH3CH2NH3 + Cl =>
CH3CH2NH2 + HCl = CH3CH2NH3 + Cl
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
Fe3O4 + HSO3{-} + H{+} = Fe{2+} + SO4{2-} + H2O =>
Fe3O4 + HSO3{-} + 5 H{+} = 3 Fe{2+} + SO4{2-} + 3 H2O
Ca(NO3)2 + NH4Cl = CaCl2 + NH4(NO3) =>
Ca(NO3)2 + 2 NH4Cl = CaCl2 + 2 NH4(NO3)
AlCl3(s) + NaOH(aq) = NaAlO2(s) + NaCl(aq) + H2O(l) =>
AlCl3(s) + 4 NaOH(aq) = NaAlO2(s) + 3 NaCl(aq) + 2 H2O(l)
CuSO4 + (NH4)2SO3 + H2O = Cu + (NH4)2SO4 + H2SO4 =>
CuSO4 + (NH4)2SO3 + H2O = Cu + (NH4)2SO4 + H2SO4
CaC2O4 + KMnO4 + H2SO4 = MnSO4 + CaSO4 + K2SO4 + H2O + CO2 =>
5 CaC2O4 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 5 CaSO4 + K2SO4 + 8 H2O + 10 CO2
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
HC2H3O2 + KNO2 = KC2H3O2 + HNO2 =>
HC2H3O2 + KNO2 = KC2H3O2 + HNO2
H8C3O3 + O2 = CO2 + H2O =>
2 H8C3O3 + 7 O2 = 6 CO2 + 8 H2O
C6H4(CH3)2 + O2 = C6H4(CO)2O + H2O =>
C6H4(CH3)2 + 3 O2 = C6H4(CO)2O + 3 H2O
NaBH4 + BF3O(C2H5)2 = NaB3H8 + NaBF4 + H2 + O(C2H5)2 =>
5 NaBH4 + 4 BF3O(C2H5)2 = 2 NaB3H8 + 3 NaBF4 + 2 H2 + 4 O(C2H5)2
N2H4(g) + H2O2(l) = N2(g) + H2O(g) =>
N2H4(g) + 2 H2O2(l) = N2(g) + 4 H2O(g)
C9H20(g) + O2(g) = CO2(g) + H2O(g) =>
C9H20(g) + 14 O2(g) = 9 CO2(g) + 10 H2O(g)
NH4VO3 + H2SO4 + H2O2 = HVO4 + (NH4)2SO4 + H2O =>
2 NH4VO3 + H2SO4 + 2 H2O2 = 2 HVO4 + (NH4)2SO4 + 2 H2O
CaO + Mg = MgO + Ca =>
CaO + Mg = MgO + Ca
Pb + SO4 = PbSO4 =>
Pb + SO4 = PbSO4
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
AlCl + H = AlHCl =>
AlCl + H = AlHCl
FeO + PdF2 = FeF2 + PdO =>
FeO + PdF2 = FeF2 + PdO
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
C3H7I + HI = C3H8 + I2 =>
C3H7I + HI = C3H8 + I2
Cr((N2H4CO)6)4(CrC6N6)3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
Cr((N2H4CO)6)4(CrC6N6)3 + 114 KMnO4 + 136 H2SO4 = 2 K2Cr2O7 + 114 MnSO4 + 42 CO2 + 66 KNO3 + 22 K2SO4 + 184 H2O
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
C7H14 + O2 = CO + H2 =>
2 C7H14 + 7 O2 = 14 CO + 14 H2
Na2S203 + Br2 + NaOH = NaBr + Na2SO4 + H2O =>
Na2S203 + 610 Br2 + 1624 NaOH = 1220 NaBr + 203 Na2SO4 + 812 H2O
HNO3 + CaOH2 = Ca(NO3)2 + H(OH3) =>
2 HNO3 + CaOH2 = Ca(NO3)2 + H(OH3)
NaCO3 + H2SO4 = NaSO4 + CO2H2O =>
NaCO3 + H2SO4 = NaSO4 + CO2H2O
H2O + NH4 = NH3 + H3O =>
H2O + NH4 = NH3 + H3O
C7H14 + O = CO2 + H2O =>
C7H14 + 21 O = 7 CO2 + 7 H2O
H2SO4(aq) + LiOH(aq) = H2O(l) + Li2SO4(aq) =>
H2SO4(aq) + 2 LiOH(aq) = 2 H2O(l) + Li2SO4(aq)
Pb2OH = Pb2 + OH =>
Pb2OH = Pb2 + OH
N2(g) + O2(g) + H2O(g) = HNO2(g) =>
2 N2(g) + 3 O2(g) + 2 H2O(g) = 4 HNO2(g)
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
CuCl2 + Na2S2O4 + NaOH = Cu + Na2SO4 + NaCl + H2O =>
3 CuCl2 + Na2S2O4 + 8 NaOH = 3 Cu + 2 Na2SO4 + 6 NaCl + 4 H2O
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