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2 Pb + O2 + 2 H2O = 2 Pb(OH)2
C4H10(g) + O2(g) = CO2(g) + H2O(l) =>
2 C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
NaCO3 + CaCl = CaCO3 + NaCl =>
NaCO3 + CaCl = CaCO3 + NaCl
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
BrO3{-}(aq) + Br{-} + H{+} = Br2 + H2O =>
BrO3{-}(aq) + 5 Br{-} + 6 H{+} = 3 Br2 + 3 H2O
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
C2H2 + AgNO3 = Ag2C2 + HNO3 =>
C2H2 + 2 AgNO3 = Ag2C2 + 2 HNO3
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
I2 + HNO3 = NO2 + HIO3 + H2O =>
I2 + 10 HNO3 = 10 NO2 + 2 HIO3 + 4 H2O
AgNO3 = Ag + O2 + NO2 =>
2 AgNO3 = 2 Ag + O2 + 2 NO2
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
CO2 + Ca(OH)2 = CaCO3 + H2O =>
CO2 + Ca(OH)2 = CaCO3 + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AlCl3 + Cu(OH)2 = Al(OH)3 + CuCl2 =>
2 AlCl3 + 3 Cu(OH)2 = 2 Al(OH)3 + 3 CuCl2
Zn{2+} + (Fe(CN)6){3-} = Zn3(Fe(CN)6)2 =>
3 Zn{2+} + 2(Fe(CN)6){3-} = Zn3(Fe(CN)6)2
Al2(SO4)3 = SO3 + Al2O3 =>
Al2(SO4)3 = 3 SO3 + Al2O3
SbF3 + SnCl2 = SbCl3 + SnF2 =>
2 SbF3 + 3 SnCl2 = 2 SbCl3 + 3 SnF2
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
Fe{2+} + K3(Fe(CN)6) = Fe3(Fe(CN)6)2 + K{+} =>
3 Fe{2+} + 2 K3(Fe(CN)6) = Fe3(Fe(CN)6)2 + 6 K{+}
Na2B4O7(s) + H2SO4(aq) + H2O(l) = H3BO3(s) + Na2SO4(aq) =>
Na2B4O7(s) + H2SO4(aq) + 5 H2O(l) = 4 H3BO3(s) + Na2SO4(aq)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Mg + H2So4 = MgSo4 + H2 =>
Mg + H2So4 = MgSo4 + H2
NH4Cl + Ca(OH)2 = NH3 + H2O + CaCl2 =>
2 NH4Cl + Ca(OH)2 = 2 NH3 + 2 H2O + CaCl2
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Ca + H2SO4 = CaSO4 + H2 =>
Ca + H2SO4 = CaSO4 + H2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C + O2 = CO2 =>
C + O2 = CO2
N + O2 = NO2 =>
N + O2 = NO2
S + O2 = SO2 =>
S + O2 = SO2
Na + H2O = NaHO + H2 =>
2 Na + 2 H2O = 2 NaHO + H2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
CaC2(s) + H2O(l) = Ca(OH)2(s) + C2H2(g) =>
CaC2(s) + 2 H2O(l) = Ca(OH)2(s) + C2H2(g)
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cl{-} + Ca{+2} + Ca(OH)2 + NaAlO2 + H2O = Ca2Al(OH)6Cl*2H2O + NaOH =>
2 Cl{-} + Ca{+2} + 3 Ca(OH)2 + 2 NaAlO2 + 8 H2O = 2 Ca2Al(OH)6Cl*2H2O + 2 NaOH
Cl{-} + Ca(OH)2 + NaAlO2 + H2O = Ca2Al(OH)6Cl*2H2O + NaOH + OH{-} =>
Cl{-} + 2 Ca(OH)2 + NaAlO2 + 4 H2O = Ca2Al(OH)6Cl*2H2O + NaOH + OH{-}
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