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2 Al + 3 Cl2 = 2 AlCl3
Na2(CO)3 + HCl = H2(CO)3 + NaCl =>
Na2(CO)3 + 2 HCl = H2(CO)3 + 2 NaCl
NiO + Fe2O3 = Ni2O5 + FeO =>
2 NiO + 3 Fe2O3 = Ni2O5 + 6 FeO
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
Fe2(SO4)3 + BaS = Fe2S3 + BaSO4 =>
Fe2(SO4)3 + 3 BaS = Fe2S3 + 3 BaSO4
Mg(NH3)4 + O2 = MgO + H2O + N2 =>
2 Mg(NH3)4 + 7 O2 = 2 MgO + 12 H2O + 4 N2
C2H5COONaHCl = C2H5COOHNaCl =>
C2H5COONaHCl = C2H5COOHNaCl
P4 + S2 = P4S10 =>
P4 + 5 S2 = P4S10
Al(OH)3 + KOH = K3(Al(OH)6) =>
Al(OH)3 + 3 KOH = K3(Al(OH)6)
Co2 + Cl = CoCl2 =>
Co2 + 4 Cl = 2 CoCl2
PB(No3)2 + KI = PBI2 + KNo3 =>
PB(No3)2 + 2 KI = PBI2 + 2 KNo3
NaCl = Na + Cl =>
NaCl = Na + Cl
Fe2S + H2SO4 = Fe2(SO4)3 + H2S + H2O =>
2 Fe2S + 7 H2SO4 = 2 Fe2(SO4)3 + 3 H2S + 4 H2O
NaClO2 + KMnO4 + H2SO4 = NaClO3 + K2SO4 + MnSO4 + H2O =>
5 NaClO2 + 2 KMnO4 + 3 H2SO4 = 5 NaClO3 + K2SO4 + 2 MnSO4 + 3 H2O
NH4NO3(aq) + O2(g) = NO2(g) + H2O(g) =>
2 NH4NO3(aq) + 3 O2(g) = 4 NO2(g) + 4 H2O(g)
(COOH)2 + Na2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + Na2SO4 + H2O =>
3(COOH)2 + Na2Cr2O7 + 4 H2SO4 = 6 CO2 + Cr2(SO4)3 + Na2SO4 + 7 H2O
NiBr2 + CaS = NiS + CaBr2 =>
NiBr2 + CaS = NiS + CaBr2
SrCl2 + Ca2SO4 = Sr2SO4 + CaCl2 =>
2 SrCl2 + Ca2SO4 = Sr2SO4 + 2 CaCl2
Cl + H2O = HCl + HClO =>
2 Cl + H2O = HCl + HClO
CCl4 + Fe + H{+} = CH2Cl2 + Cl{-} + Fe{2+} =>
CCl4 + 2 Fe + 2 H{+} = CH2Cl2 + 2 Cl{-} + 2 Fe{2+}
Mn7 = Mn =>
Mn7 = 7 Mn
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
[CuOH]2SO4 + NH4OH = [Cu(NH3)4]SO4 + H2O + [Cu(NH3)4](OH)2 =>
[CuOH]2SO4 + 8 NH4OH = [Cu(NH3)4]SO4 + 8 H2O + [Cu(NH3)4](OH)2
Mg3Al2Si3O12 + CO2 + H2O + CaMgSi2O6 = CaCO3 + Mg2Al4Si5O18 + Ca2Mg5Si8O22(OH)2 =>
4 Mg3Al2Si3O12 + 13 CO2 + 7 H2O + 27 CaMgSi2O6 = 13 CaCO3 + 2 Mg2Al4Si5O18 + 7 Ca2Mg5Si8O22(OH)2
PB(NO3)2(aq) + KI(aq) = PBI2(s) + KNO3(aq) =>
PB(NO3)2(aq) + 2 KI(aq) = PBI2(s) + 2 KNO3(aq)
P2O3 + H2O = H2P2O4 =>
P2O3 + H2O = H2P2O4
H2O + Br2 = BrH2O =>
2 H2O + Br2 = 2 BrH2O
NH3 + Na = H2 + NaNH2 =>
2 NH3 + 2 Na = H2 + 2 NaNH2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cu + HCl = CuCl2 + H2 = =>
Cu + 2 HCl = CuCl2 + H2
P4 + NH4ClO4 = H3PO4 + N2 + Cl2 + H2O =>
2 P4 + 10 NH4ClO4 = 8 H3PO4 + 5 N2 + 5 Cl2 + 8 H2O
CaCl + Hg(i)NO3 = CaNO3 + HgCl =>
CaCl + Hg(i)NO3 = CaNO3 + HgCl
N2 + H2 + O2 = NH4OH =>
N2 + 5 H2 + O2 = 2 NH4OH
Fe2O3 + Ba(OH)2 = BaO + Fe(OH)3 =>
Fe2O3 + 3 Ba(OH)2 = 3 BaO + 2 Fe(OH)3
C7H6O3(l) + O2(g) = CO2(g) + H2O =>
C7H6O3(l) + 7 O2(g) = 7 CO2(g) + 3 H2O
S2O3{2-} + Br2 + OH{-} = SO4{2-} + Br{-} + H2O =>
S2O3{2-} + 4 Br2 + 10 OH{-} = 2 SO4{2-} + 8 Br{-} + 5 H2O
Li2SO4Na2CO3 = Li2CO3Na2SO4 =>
Li2SO4Na2CO3 = Li2CO3Na2SO4
K2Cr2O7 + FeSO4 + H2O = KOH + Cr(OH)3 + Fe(SO4)3 + Fe(OH)3 =>
K2Cr2O7 + 3 FeSO4 + 7 H2O = 2 KOH + 2 Cr(OH)3 + Fe(SO4)3 + 2 Fe(OH)3
Sr + N2 = Sr3N2 =>
3 Sr + N2 = Sr3N2
HgNO3 = Hg + O2 + NO2 =>
2 HgNO3 = 2 Hg + O2 + 2 NO2
HI + Pd(OH)4 = PdI4 + H2O =>
4 HI + Pd(OH)4 = PdI4 + 4 H2O
FeC13 + Mg0 = Fe203 + MgC12 =>
2436 FeC13 + 2639 Mg0 = 12 Fe203 + 2639 MgC12
Na2S + KMnO4 + HCl = S + MnCl + NaCl + KCl + H2O =>
3 Na2S + KMnO4 + 8 HCl = 3 S + MnCl + 6 NaCl + KCl + 4 H2O
CH3COOH + K2CO3 = KCH3CO2 + CO2 + H2O =>
2 CH3COOH + K2CO3 = 2 KCH3CO2 + CO2 + H2O
SFe = FeS =>
SFe = FeS
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cr(NO3)3 + Ni2(SO4)3 = Ni(NO3)3 + Cr2(SO4)3 =>
2 Cr(NO3)3 + Ni2(SO4)3 = 2 Ni(NO3)3 + Cr2(SO4)3
O5 = O9 =>
9 O5 = 5 O9
CrO3 + NH3 + H2O = (NH4)2CrO4 =>
CrO3 + 2 NH3 + H2O = (NH4)2CrO4
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
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