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H2(SO4) = 2 H + SO4
Cl2 + KI = I2 + KCl =>
Cl2 + 2 KI = I2 + 2 KCl
F + O2 = F2O =>
4 F + O2 = 2 F2O
Fe2O3 + C = Fe + CO2 = =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
CH3CH2OH + H2O = CH3CH2O + H3O =>
CH3CH2OH + H2O = CH3CH2O + H3O
(NH4)2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2O2 + CO2 + N2 + H2O =>
(NH4)2C2O4 + 2 KMnO4 + 2 H2SO4 = 2 MnSO4 + K2O2 + 2 CO2 + N2 + 6 H2O
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Na + SO4 = Na(SO4) =>
Na + SO4 = Na(SO4)
Na2WO4H2SO4 = Na2SO4H2WO4 =>
Na2WO4H2SO4 = Na2SO4H2WO4
Cl2H22O11 + O2 = Cl2H22O11O2 =>
Cl2H22O11 + O2 = Cl2H22O11O2
Zn + Ag2(NO3) = Zn2(NO3) + Ag =>
2 Zn + Ag2(NO3) = Zn2(NO3) + 2 Ag
Ce{3+} + (NH4)2C2O4 = Ce2(C2O4)3 + NH4{+} =>
2 Ce{3+} + 3(NH4)2C2O4 = Ce2(C2O4)3 + 6 NH4{+}
Mg(g) + HCl(aq) = MgCl2(s) + H(g) =>
Mg(g) + 2 HCl(aq) = MgCl2(s) + 2 H(g)
Zn + SbCl3 + KBH4 = Zn4Sb3 + KCl + BCl3 + H2 =>
16 Zn + 12 SbCl3 + 9 KBH4 = 4 Zn4Sb3 + 9 KCl + 9 BCl3 + 18 H2
KMnO4 + H2SO4 + C6H6 = H2CO3 + K2SO4 + MnSO4 + H2O =>
6 KMnO4 + 9 H2SO4 + C6H6 = 6 H2CO3 + 3 K2SO4 + 6 MnSO4 + 6 H2O
CuCO3*Cu(OH)2 + H2NCH2CO2H = [Cu(H2NCH2CO2)2] + H2CO3 + H2O =>
CuCO3*Cu(OH)2 + 4 H2NCH2CO2H = 2[Cu(H2NCH2CO2)2] + H2CO3 + 2 H2O
C4H10(g) + O2(g) = CO2(g) + H2 =>
C4H10(g) + 4 O2(g) = 4 CO2(g) + 5 H2
AgNO3 + Al2(SO4)3 = Ag + SO4 + Al(NO3)3 =>
6 AgNO3 + Al2(SO4)3 = 6 Ag + 3 SO4 + 2 Al(NO3)3
As2O3 + H3PO2 = As + H3PO3 =>
As2O3 + 3 H3PO2 = 2 As + 3 H3PO3
SO42 + Br = SO2 + BrO3 =>
3 SO42 + 40 Br = 3 SO2 + 40 BrO3
Cu + NO3{-} + H{+} = CuN2O6 + NO + H2O =>
3 Cu + 8 NO3{-} + 8 H{+} = 3 CuN2O6 + 2 NO + 4 H2O
CH3COOH + K2CO3 = CH3COOHK + H2O + CO2 =>
9 CH3COOH + 4 K2CO3 = 8 CH3COOHK + 2 H2O + 6 CO2
H2(SO4) + NaOH = Na2(SO4) + HOH =>
H2(SO4) + 2 NaOH = Na2(SO4) + 2 HOH
PbO2 + MnSO4 + HNO3 = HMnO4 + Pb(NO3)2 + PbSO4 + H2O =>
5 PbO2 + 2 MnSO4 + 6 HNO3 = 2 HMnO4 + 3 Pb(NO3)2 + 2 PbSO4 + 2 H2O
(NH4)2CrO4 + Sr(OH)2 = SrCrO4 + H2O + NH3 =>
(NH4)2CrO4 + Sr(OH)2 = SrCrO4 + 2 H2O + 2 NH3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C8H12N2 + HCl + CdCl2 = (C8H14N2)CdCl4 =>
C8H12N2 + 2 HCl + CdCl2 = (C8H14N2)CdCl4
N2H4 + HNO3 = H2O + HN3 =>
8 N2H4 + 5 HNO3 = 15 H2O + 7 HN3
Ag + HNO3 + HCl = HAgCl4 + NO2 + H2O =>
Ag + 3 HNO3 + 4 HCl = HAgCl4 + 3 NO2 + 3 H2O
Sb2S3 + O2 + CaCl2 = Ca5Sb5O17 + Cl2 + SO2 =>
5 Sb2S3 + 32 O2 + 10 CaCl2 = 2 Ca5Sb5O17 + 10 Cl2 + 15 SO2
CU + NH4Cl = CUNH4 + Cl =>
CU + NH4Cl = CUNH4 + Cl
As2S3 + NO3{-} + H2O = AsO4{3-} + SO4{2-} + H{+} + NO =>
3 As2S3 + 28 NO3{-} + 4 H2O = 6 AsO4{3-} + 9 SO4{2-} + 8 H{+} + 28 NO
Cl + NaOH = NaCl + ClO + H2O =>
3 Cl + 2 NaOH = 2 NaCl + ClO + H2O
Fe(OH)2 + H2CO3 = (FeOH)2(CO3) + H2O =>
2 Fe(OH)2 + H2CO3 = (FeOH)2(CO3) + 2 H2O
H2SO4 + Zn(NO3)2 = HNO3 + ZnSO4 =>
H2SO4 + Zn(NO3)2 = 2 HNO3 + ZnSO4
S8 + NO3{-} + OH{-} = SO3{2-} + NO + H2O =>
3 S8 + 32 NO3{-} + 16 OH{-} = 24 SO3{2-} + 32 NO + 8 H2O
Al2O12S3 + H2O = AlO3H3 + H{+} + SO4{-2} =>
Al2O12S3 + 6 H2O = 2 AlO3H3 + 6 H{+} + 3 SO4{-2}
HClO3 = ClO2 + H2O + O2 =>
4 HClO3 = 4 ClO2 + 2 H2O + O2
H3BO3 + H2O = B(OH)4{-} + H3O{+} =>
H3BO3 + 2 H2O = B(OH)4{-} + H3O{+}
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Li2S + NaBr = Na2S + LiBr =>
Li2S + 2 NaBr = Na2S + 2 LiBr
P + O = P2O5 =>
2 P + 5 O = P2O5
Ca(HSO3)2 = CaO + SO2 + H2O =>
Ca(HSO3)2 = CaO + 2 SO2 + H2O
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
SO2CaO = Ca(SO3) =>
SO2CaO = Ca(SO3)
HOC6H4CH2OH + NaOH = NaOC6H4CH2ONa + H2O =>
HOC6H4CH2OH + 2 NaOH = NaOC6H4CH2ONa + 2 H2O
PbOH2SO4 = PbSO4H2O =>
PbOH2SO4 = PbSO4H2O
Mg(s)HCl(AQ) = Mg(AQ)HCl(g) =>
Mg(s)HCl(AQ) = Mg(AQ)HCl(g)
CoOC = COCo =>
CoOC = COCo
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
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