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K2O = 2 K + O
CuCl2 + NH3 + H2O = [Cu(NH3)4(H2O)2]{+2} + NH4Cl + OH{-} =>
CuCl2 + 6 NH3 + 4 H2O = [Cu(NH3)4(H2O)2]{+2} + 2 NH4Cl + 2 OH{-}
AgCl + O2 = AgO + Cl =>
2 AgCl + O2 = 2 AgO + 2 Cl
I2 + Cl = ICl =>
I2 + 2 Cl = 2 ICl
NaNO3(aq) + KI(aq) = K(NO3) + NaI =>
NaNO3(aq) + KI(aq) = K(NO3) + NaI
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
KAlSi3O8 + H2O = Al2Si2O5(OH)4 + K4SiO4 + H2SiO3 =>
4 KAlSi3O8 + 11 H2O = 2 Al2Si2O5(OH)4 + K4SiO4 + 7 H2SiO3
CH3CH2OH + Cr2O7{2-} + H2SO4 = CH3CO2H + Cr2(SO4)3 + SO4{2-} + H2O =>
3 CH3CH2OH + 2 Cr2O7{2-} + 8 H2SO4 = 3 CH3CO2H + 2 Cr2(SO4)3 + 2 SO4{2-} + 11 H2O
Cr + H3PO4 = CrPO4 + H2 =>
2 Cr + 2 H3PO4 = 2 CrPO4 + 3 H2
H2SO4 + K2Cr2O7 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3COOH + K2SO4 =>
8 H2SO4 + 2 K2Cr2O7 + 3 CH3CH2OH = 2 Cr2(SO4)3 + 11 H2O + 3 CH3COOH + 2 K2SO4
FeS + Cl2 = FeCl3 + S2Cl2 =>
2 FeS + 4 Cl2 = 2 FeCl3 + S2Cl2
NO2 + H = NH3 + H2O =>
NO2 + 7 H = NH3 + 2 H2O
C4H6 + KMnO4 + H2O = C4H8O2 + MnO2 + KOH =>
3 C4H6 + 2 KMnO4 + 4 H2O = 3 C4H8O2 + 2 MnO2 + 2 KOH
Co(No3)2(aq) + Na2CO3(aq) = CoCO3(s) + NaNo3(aq) =>
Co(No3)2(aq) + Na2CO3(aq) = CoCO3(s) + 2 NaNo3(aq)
CO2H2O = C6H12O6 + O2 =>
6 CO2H2O = C6H12O6 + 6 O2
Fe3(aq) + OH(aq) = Fe(OH)3 =>
Fe3(aq) + 9 OH(aq) = 3 Fe(OH)3
Fe(s) + Cu(NO3)2 = Fe(NO3)3 + Cu(s) =>
2 Fe(s) + 3 Cu(NO3)2 = 2 Fe(NO3)3 + 3 Cu(s)
Cu + NH3 = Cu(NH3) =>
Cu + NH3 = Cu(NH3)
C6H8O6 + KOH = KC6H7O6 + H2O =>
C6H8O6 + KOH = KC6H7O6 + H2O
Al + Na2CO3 + H2O = Na(Al(OH)4) + NaHCO3 + H2 =>
2 Al + 2 Na2CO3 + 8 H2O = 2 Na(Al(OH)4) + 2 NaHCO3 + 3 H2
Cu(NO3)2 + Ba(OH)2 = Cu(OH)2 + Ba(NO3)2 =>
Cu(NO3)2 + Ba(OH)2 = Cu(OH)2 + Ba(NO3)2
CH3CO2 + H2O = CH2CO2 + H3O =>
CH3CO2 + H2O = CH2CO2 + H3O
Na2CO3 + H2O = NaOH + H2CO3 =>
Na2CO3 + 2 H2O = 2 NaOH + H2CO3
C6H5NO2 + Fe + H{+} = C6H5NH3{+} + Fe{2+} + H2O =>
C6H5NO2 + 3 Fe + 7 H{+} = C6H5NH3{+} + 3 Fe{2+} + 2 H2O
Pb + HCl(aq) = PbCl2(ppt) + H2 =>
Pb + 2 HCl(aq) = PbCl2(ppt) + H2
HMnO4 + HBr = MnBr2 + Br2 + H2O =>
2 HMnO4 + 14 HBr = 2 MnBr2 + 5 Br2 + 8 H2O
HCl + BaCl2 = BaH2 + Cl2 =>
2 HCl + BaCl2 = BaH2 + 2 Cl2
C5H11OH + K = C5H11OK + H2 =>
2 C5H11OH + 2 K = 2 C5H11OK + H2
MgSO4 + H3PO4 = Mg3(PO4)2 + H2SO4 =>
3 MgSO4 + 2 H3PO4 = Mg3(PO4)2 + 3 H2SO4
Al + HNO3(conc) = Al(NO3)3 + NO + H2O =>
Al + 4 HNO3(conc) = Al(NO3)3 + NO + 2 H2O
HCl + C20H14O4 = C20H15O4Cl =>
HCl + C20H14O4 = C20H15O4Cl
(NH4)2S(aq) + SrCl2(aq) = (NH4)2Cl2(aq) + SrS(s) =>
(NH4)2S(aq) + SrCl2(aq) = (NH4)2Cl2(aq) + SrS(s)
P2O5 + C = P4 + CO =>
2 P2O5 + 10 C = P4 + 10 CO
C22H45OH + O2 = CO2 + H2O =>
C22H45OH + 33 O2 = 22 CO2 + 23 H2O
H{+} + Cr2O7{2-} + C2H5OH = Cr{3+} + C2H4O + H2O =>
8 H{+} + Cr2O7{2-} + 3 C2H5OH = 2 Cr{3+} + 3 C2H4O + 7 H2O
S2 + CO2 = SO2 + C2 =>
S2 + 2 CO2 = 2 SO2 + C2
Cu(OH)2 + NaOH = H2O + Na2CuO2 =>
Cu(OH)2 + 2 NaOH = 2 H2O + Na2CuO2
Fe2(SO4)3 + NaCl = FeSO4 + Cl2 + Na2SO4 =>
Fe2(SO4)3 + 2 NaCl = 2 FeSO4 + Cl2 + Na2SO4
Mg + C = Mg4C2 =>
4 Mg + 2 C = Mg4C2
CH4(g) + O(g) = CO2(g) + H2O(l) =>
CH4(g) + 4 O(g) = CO2(g) + 2 H2O(l)
ClKO3 = KCl + O2 =>
2 ClKO3 = 2 KCl + 3 O2
Na + Ca(SO4) = Na(SO4) + Ca =>
Na + Ca(SO4) = Na(SO4) + Ca
NH + H2O = NH2 + OH =>
NH + H2O = NH2 + OH
CoO + O2 = Co3O4 =>
6 CoO + O2 = 2 Co3O4
Ag2S + H2 = Ag + H2S =>
Ag2S + H2 = 2 Ag + H2S
FeS2(g) + O2(g) = Fe2O3(S) + SO2(g) =>
4 FeS2(g) + 9 O2(g) = 2 Fe2O3(S) + 6 SO2(g)
Li3P + O2 = Li2O + P2O5 =>
2 Li3P + 4 O2 = 3 Li2O + P2O5
NaHCO3 + HClO3 = NaClO3 + H2CO3 =>
NaHCO3 + HClO3 = NaClO3 + H2CO3
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
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