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ZnS + 2 H3O = Zn + H2S + 2 H2O
C10H12 = C5H6 =>
C10H12 = 2 C5H6
Pb(CH3CO2)2 + Na2S = PbS + NaCH3COO =>
Pb(CH3CO2)2 + Na2S = PbS + 2 NaCH3COO
PCO = C + O2 + P =>
2 PCO = 2 C + O2 + 2 P
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu1 =>
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu1
Mg(s) + H3PO4(aq) = H2(g) + Mg(PO4)2(s) =>
Mg(s) + 2 H3PO4(aq) = 3 H2(g) + Mg(PO4)2(s)
CuSO4 + PbNO32 = CuNO32 + PbSO4 =>
CuSO4 + PbNO32 = CuNO32 + PbSO4
Fe2(SO4)3 + Na2S = Na2(SO4) + Fe2S3 =>
Fe2(SO4)3 + 3 Na2S = 3 Na2(SO4) + Fe2S3
He + CO = HeO + C =>
He + CO = HeO + C
C6H14 + O2 = CO + H2O =>
2 C6H14 + 13 O2 = 12 CO + 14 H2O
CaI2(aq) + Hg(No3)2(aq) = Ca(No3)2(aq) + HgI2(s) =>
CaI2(aq) + Hg(No3)2(aq) = Ca(No3)2(aq) + HgI2(s)
CO2 + NaOH = Na2CO3 + H2O =>
CO2 + 2 NaOH = Na2CO3 + H2O
SO2 + Br2 + H2O = Br2SO3 + H2 =>
SO2 + Br2 + H2O = Br2SO3 + H2
KSCN + FeCl3 = K2[Fe(SCN)6] + KCl + FeCl2 =>
6 KSCN + 2 FeCl3 = K2[Fe(SCN)6] + 4 KCl + FeCl2
SnCl2 + HNO2 + HCl = SnCl4 + NO + H2O =>
SnCl2 + 2 HNO2 + 2 HCl = SnCl4 + 2 NO + 2 H2O
Ba(OH)2 + K = K(OH)2 + Ba =>
Ba(OH)2 + K = K(OH)2 + Ba
C6H14 + O = CO2 + H2O =>
C6H14 + 19 O = 6 CO2 + 7 H2O
H3PO4 + Na(OH) = Na3(PO4) + H2O =>
H3PO4 + 3 Na(OH) = Na3(PO4) + 3 H2O
Cu(OH)2 + NH3 = [Cu(NH3)4]2 + (OH)2 =>
2 Cu(OH)2 + 8 NH3 = [Cu(NH3)4]2 + 2(OH)2
AlCl3 + K(OH) = AlOH + Cl3K =>
AlCl3 + K(OH) = AlOH + Cl3K
Fe(s) + H2SO3(aq) = H2(g) + Fe2(SO3)3(s) =>
2 Fe(s) + 3 H2SO3(aq) = 3 H2(g) + Fe2(SO3)3(s)
I2 + SO2 + H2O = HI + H2SO4 =>
I2 + SO2 + 2 H2O = 2 HI + H2SO4
Sr(NO3)2(aq) + K2SO4(aq) = SrSO4(s) + KNO3(aq) =>
Sr(NO3)2(aq) + K2SO4(aq) = SrSO4(s) + 2 KNO3(aq)
I2 + SO2 + H2O = HI + H2SO4 =>
I2 + SO2 + 2 H2O = 2 HI + H2SO4
Pb(OH)2 + H2SO4 = PbSO4 + H2O =>
Pb(OH)2 + H2SO4 = PbSO4 + 2 H2O
Ba(NO3)2(aq) + K2SO4(aq) = BaSO4(s) + KNO3(aq) =>
Ba(NO3)2(aq) + K2SO4(aq) = BaSO4(s) + 2 KNO3(aq)
Pb(OH)3 + HNO3 = Pb(NO3)3 + H2O =>
Pb(OH)3 + 3 HNO3 = Pb(NO3)3 + 3 H2O
Be(OH)2 + KOH = K2(Be(OH)4) =>
Be(OH)2 + 2 KOH = K2(Be(OH)4)
PbCl2(aq) + K2SO4(aq) = PbSO4(s) + KCl(aq) =>
PbCl2(aq) + K2SO4(aq) = PbSO4(s) + 2 KCl(aq)
FeO + OH = Fe2O3 + H2O =>
2 FeO + 2 OH = Fe2O3 + H2O
NaIO3 + Na2S2O3 + HCl = NaI + Na2S4O6 + NaCl + H2O =>
NaIO3 + 6 Na2S2O3 + 6 HCl = NaI + 3 Na2S4O6 + 6 NaCl + 3 H2O
NaCl + CO2 + H2O = Na2CO3 + HCl =>
2 NaCl + CO2 + H2O = Na2CO3 + 2 HCl
HNO3 + NH4HCO3 = NH4NO3 + CO2 + H2O =>
HNO3 + NH4HCO3 = NH4NO3 + CO2 + H2O
Ag + NaOH = Ag2O + Na2O + H2 =>
2 Ag + 2 NaOH = Ag2O + Na2O + H2
Mg + Na2(SO4) = MgSO4 + Na =>
Mg + Na2(SO4) = MgSO4 + 2 Na
Co + PbCO3 = Co2(CO3)3 + Pb =>
2 Co + 3 PbCO3 = Co2(CO3)3 + 3 Pb
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
KMnO4 + HCl + H2O = HClO3 + MnO2 + KOH =>
2 KMnO4 + HCl + H2O = HClO3 + 2 MnO2 + 2 KOH
HCO3{-} + H2O = CO3{2-} + H3O{+} =>
HCO3{-} + H2O = CO3{2-} + H3O{+}
C2H5OH + KOH = CH3COOK + H2 =>
C2H5OH + KOH = CH3COOK + 2 H2
NaHSO3 + NaOH + KMnO4 = K2SO4 + Na2MnO4 + H2O =>
NaHSO3 + 3 NaOH + 2 KMnO4 = K2SO4 + 2 Na2MnO4 + 2 H2O
Li(s) + N2 = Li2N =>
4 Li(s) + N2 = 2 Li2N
SiCl4 + O2 = O2Si2 + Cl2O =>
2 SiCl4 + 3 O2 = O2Si2 + 4 Cl2O
Ga0*75In0*25 + HCl = GaCl3 + InCl3 + H2 =>
Ga0*75In0*25 + 228 HCl = GaCl3 + 75 InCl3 + 114 H2
UO2 + HNO3 + HCl = UO2Cl2 + NO + H2O =>
3 UO2 + 2 HNO3 + 6 HCl = 3 UO2Cl2 + 2 NO + 4 H2O
CO + H2 = C8H18 + HH2O =>
8 CO + 21 H2 = C8H18 + 8 HH2O
BaCO3 + H{+} = Ba{2+} + CO2 + H2O =>
BaCO3 + 2 H{+} = Ba{2+} + CO2 + H2O
Ba(NO)2 + NaOH = Ba(OH)2 + NaNO =>
Ba(NO)2 + 2 NaOH = Ba(OH)2 + 2 NaNO
Fe + Au2(SO4)3 = Fe2(SO4)3 + Au =>
2 Fe + Au2(SO4)3 = Fe2(SO4)3 + 2 Au
C2H4 + Zn = C2H4Zn =>
C2H4 + Zn = C2H4Zn
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