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HgS + 2 HCl + 6 KI = K4[HgI6] + 2 KCl + H2S
SO2 + H2O = SO4{2-} + e + H{+} =>
SO2 + 2 H2O = SO4{2-} + 2e + 4 H{+}
Cu(OH)2 + C2H4O2 = Cu(C2H3O2)2 + HOH =>
Cu(OH)2 + 2 C2H4O2 = Cu(C2H3O2)2 + 2 HOH
Mg{2+} + I{-} = Mg + I2 =>
Mg{2+} + 2 I{-} = Mg + I2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe(NO3)2 + Na2(SO3) = Fe(SO3) + Na(NO3) =>
Fe(NO3)2 + Na2(SO3) = Fe(SO3) + 2 Na(NO3)
H3C6H5O7(aq) + Ba(OH)2(aq) = H2O(l) + Ba3(C6H5O7)2(aq) =>
2 H3C6H5O7(aq) + 3 Ba(OH)2(aq) = 6 H2O(l) + Ba3(C6H5O7)2(aq)
Ag2 + S2 = Ag2S =>
2 Ag2 + S2 = 2 Ag2S
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
SO2CaO = Ca(SO3) =>
SO2CaO = Ca(SO3)
[C2H5NH3]Cl + NaOH = NaCl + C2H5NH2 + H2O =>
[C2H5NH3]Cl + NaOH = NaCl + C2H5NH2 + H2O
KMnO4 + H2O = KOH + MnO2 + O2 =>
4 KMnO4 + 2 H2O = 4 KOH + 4 MnO2 + 3 O2
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaClO + SnSO4 + KOH = Sn + K2SO4 + NaClO2 + H2O =>
NaClO + SnSO4 + 2 KOH = Sn + K2SO4 + NaClO2 + H2O
H[NbF6] + H2O = H2[NbOF5] + HF =>
H[NbF6] + H2O = H2[NbOF5] + HF
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
V2(SO4)3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + VOSO4 + H2O =>
3 V2(SO4)3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + 6 VOSO4 + H2O
K4Fe(CN)6 + PbO2 + H2SO4 = Fe2(SO4)3 + K2SO4 + PbSO4 + HNO3 + CO2 + H2O =>
2 K4Fe(CN)6 + 61 PbO2 + 68 H2SO4 = Fe2(SO4)3 + 4 K2SO4 + 61 PbSO4 + 12 HNO3 + 12 CO2 + 62 H2O
C6H12O6 + O2 = C4H602 + CO2 =>
301 C6H12O6 + 879 O2 = 6 C4H602 + 1782 CO2
Mg + HNO3 = Mg(NO3)2 + H =>
Mg + 2 HNO3 = Mg(NO3)2 + 2 H
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
HC2H3O2(aq) + Ca(OH)2 = H2O(l) + Ca(C2H3O2)2(aq) =>
2 HC2H3O2(aq) + Ca(OH)2 = 2 H2O(l) + Ca(C2H3O2)2(aq)
CH3COOH + NaHCO3 = CH3COONa + H2O + CO2 = =>
CH3COOH + NaHCO3 = CH3COONa + H2O + CO2
Al2(SO4)3 + H2O + NaCl = Al2(OH)3 + H2SO4 + Na2SO4 + Cl2 =>
2 Al2(SO4)3 + 6 H2O + 6 NaCl = 2 Al2(OH)3 + 3 H2SO4 + 3 Na2SO4 + 3 Cl2
Ca(OH)2 + HF = Ca(F)2 + HOH =>
Ca(OH)2 + 2 HF = Ca(F)2 + 2 HOH
Mo + KOH = K2Mo2O4 + H2O + K =>
2 Mo + 8 KOH = K2Mo2O4 + 4 H2O + 6 K
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
AgNO3 + NH4CNS = AgCNS + NH4NO3 =>
AgNO3 + NH4CNS = AgCNS + NH4NO3
C7H12O2 + H2 = C7H14O2 =>
C7H12O2 + H2 = C7H14O2
BaCl2 + NaHSO4 = BaHSO4 + NaCl2 =>
BaCl2 + NaHSO4 = BaHSO4 + NaCl2
FeCl3 + HgO = HgCl2 + Fe2O3 =>
2 FeCl3 + 3 HgO = 3 HgCl2 + Fe2O3
K2Cr2O7 + MnSO4 + NH4OH + H2O = Cr(OH)3 + Mn(OH)3 + K2SO4 + (NH4)2SO4 =>
K2Cr2O7 + 6 MnSO4 + 10 NH4OH + 7 H2O = 2 Cr(OH)3 + 6 Mn(OH)3 + K2SO4 + 5(NH4)2SO4
H2[MoOCl5] + Zn + HCl = H3[MoCl6] + ZnCl2 + H2O =>
H2[MoOCl5] + Zn + 3 HCl = H3[MoCl6] + ZnCl2 + H2O
SiO2 + FeO = SiO + FeO2 =>
SiO2 + FeO = SiO + FeO2
PbO2 + HBr = Pb2 + Br2 + H2O =>
2 PbO2 + 8 HBr = Pb2 + 4 Br2 + 4 H2O
KClO3(heat) = KCl(s) + O2(g) =>
2 KClO3(heat) = 2 KCl(s) + 3 O2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb(HCO3)2 + H3PO4 = Pb3(PO4)2 + H2O + CO2 =>
3 Pb(HCO3)2 + 2 H3PO4 = Pb3(PO4)2 + 6 H2O + 6 CO2
Cu + HNO3 = Cu(NO3)2 + H2 =>
Cu + 2 HNO3 = Cu(NO3)2 + H2
H2SO3 + Ni(OH)3 = Ni2(SO3)3 + H2O =>
3 H2SO3 + 2 Ni(OH)3 = Ni2(SO3)3 + 6 H2O
Pb2O5 = Pb + O2 =>
2 Pb2O5 = 4 Pb + 5 O2
Cu + Ag{+} = Cu{+} + Ag =>
Cu + Ag{+} = Cu{+} + Ag
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Al + AgCl = AlCl3 + Ag =>
Al + 3 AgCl = AlCl3 + 3 Ag
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Na2S(s) + HCl(aq) = NaCl(aq) + H2S(g) =>
Na2S(s) + 2 HCl(aq) = 2 NaCl(aq) + H2S(g)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
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