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2 Na2S + Na2SO3 + 3 H2O = 3 S + 6 NaOH
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
LaCl3 + Na2CO3 = La2(CO3)3 + NaCl =>
2 LaCl3 + 3 Na2CO3 = La2(CO3)3 + 6 NaCl
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NH2 + H2O = NH4 + OH =>
NH2 + 2 H2O = NH4 + 2 OH
NH2CH2COOH + H2SO4 = NH3 + CO2 + H2O + SO2 =>
NH2CH2COOH + 3 H2SO4 = NH3 + 2 CO2 + 4 H2O + 3 SO2
AgHCO3 + NaCl = AgCl + NaHCO3 =>
AgHCO3 + NaCl = AgCl + NaHCO3
HgO = Hg + O =>
HgO = Hg + O
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
Fe(ClO3)3 + Li2CrO4 = Fe2(CrO4)3 + Li(ClO3) =>
2 Fe(ClO3)3 + 3 Li2CrO4 = Fe2(CrO4)3 + 6 Li(ClO3)
HgO = Hg + O =>
HgO = Hg + O
SO2 + H3PO4 = S3(PO4)4 + H2O =>
3 SO2 + 4 H3PO4 = S3(PO4)4 + 6 H2O
LaCl3 + Na2CO3 = La2(CO3)3 + NaCl =>
2 LaCl3 + 3 Na2CO3 = La2(CO3)3 + 6 NaCl
KH(IO3)2 + Mg(OH)2 = Mg(IO3)2 + KOH + H2O =>
KH(IO3)2 + Mg(OH)2 = Mg(IO3)2 + KOH + H2O
LaCl3 + Na2CO3 = La2(CO3)3 + NaCl =>
2 LaCl3 + 3 Na2CO3 = La2(CO3)3 + 6 NaCl
Al(CH3COO)3 = Al + C + H2 + O2 =>
2 Al(CH3COO)3 = 2 Al + 12 C + 9 H2 + 6 O2
BiCl3 + H2S = Bi2S3 + HCl =>
2 BiCl3 + 3 H2S = Bi2S3 + 6 HCl
Li + NO = Li2NO =>
2 Li + NO = Li2NO
Na3VO4 + KI + H2SO4 = VOSO4 + K2SO4 + Na2SO4 + I2 + H2O =>
2 Na3VO4 + 2 KI + 6 H2SO4 = 2 VOSO4 + K2SO4 + 3 Na2SO4 + I2 + 6 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
LaCl3 + Na2CO3 = La2(CO3)3 + NaCl =>
2 LaCl3 + 3 Na2CO3 = La2(CO3)3 + 6 NaCl
Li2S + HCl = H2S + LiCl =>
Li2S + 2 HCl = H2S + 2 LiCl
HgO = Hg + O =>
HgO = Hg + O
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
CF3COOH + KOH = CF3COOK + H2O =>
CF3COOH + KOH = CF3COOK + H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Al(Cl)3 + Na2CO3 = Al2(CO3)3 + NaCl =>
2 Al(Cl)3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaCl
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
C20H21NO4S + O2 = CO2 + H2O + NH3 + S =>
2 C20H21NO4S + 45 O2 = 40 CO2 + 18 H2O + 2 NH3 + 2 S
HgO + Cl2 = HgCl + O2 =>
2 HgO + Cl2 = 2 HgCl + O2
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
LaCl3 + Na2CO3 = La2(CO3)3 + NaCl =>
2 LaCl3 + 3 Na2CO3 = La2(CO3)3 + 6 NaCl
NH3(aq) + HCI(aq) = NH4CI(aq) =>
NH3(aq) + HCI(aq) = NH4CI(aq)
H2NNH2 + IO3{-} + Cl{-} + H{+} = N2 + ICl2{-} + H2O =>
H2NNH2 + IO3{-} + 2 Cl{-} + 2 H{+} = N2 + ICl2{-} + 3 H2O
HgO + Cl2 = HgCl + O2 =>
2 HgO + Cl2 = 2 HgCl + O2
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
Hg(NO3)2 = Hg(NO2)2 + O2 =>
Hg(NO3)2 = Hg(NO2)2 + O2
K2FeO4 + CrSO4 + H2SO4 = Fe2(SO4)3 + K2Cr2O7 + K2SO4 + H2O =>
8 K2FeO4 + 6 CrSO4 + 11 H2SO4 = 4 Fe2(SO4)3 + 3 K2Cr2O7 + 5 K2SO4 + 11 H2O
HgO + Cl2 = HgCl + O2 =>
2 HgO + Cl2 = 2 HgCl + O2
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
Na2SO4 + NaCl = Na2Cl + SO4Na =>
Na2SO4 + NaCl = Na2Cl + SO4Na
K2Co3 + Na2SO4 = K2SO4 + Na2Co3 =>
K2Co3 + Na2SO4 = K2SO4 + Na2Co3
HgO + Cl2 = HgCl + O2 =>
2 HgO + Cl2 = 2 HgCl + O2
Na + C6H6 = C6H5Na + NaH =>
2 Na + C6H6 = C6H5Na + NaH
Ca(OH)2 + P2O5 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + P2O5 = Ca3(PO4)2 + 3 H2O
FeO + P2O5 = Fe3(PO4)2 =>
3 FeO + P2O5 = Fe3(PO4)2
HgO + Cl2 = HgCl + O2 =>
2 HgO + Cl2 = 2 HgCl + O2
FeO + H2O = FeO3 + H2 =>
FeO + 2 H2O = FeO3 + 2 H2
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