| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + HCl = CuCl + H
HCN + H2O = C5H5N5O + H2 =>
5 HCN + H2O = C5H5N5O + H2
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3(s) + 2 NaNO3(aq)
FeCl2 + O2 = Fe2O3 + FeCl3 =>
12 FeCl2 + 3 O2 = 2 Fe2O3 + 8 FeCl3
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3(s) + 2 NaNO3(aq)
Fe + SbCl3 = Fe(Cl3)2 + Sb =>
Fe + 2 SbCl3 = Fe(Cl3)2 + 2 Sb
NO2{-} + MnO4{-} + H{+} = NO3{-} + Mn{2+} + H2O =>
5 NO2{-} + 2 MnO4{-} + 6 H{+} = 5 NO3{-} + 2 Mn{2+} + 3 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al(OH)3 + FeO = Fe(OH)2 + Al2O3 =>
2 Al(OH)3 + 3 FeO = 3 Fe(OH)2 + Al2O3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SO4{-2} + H{+} + {-} = SO2{-2} + H2O =>
SO4{-2} + 4 H{+} + 4e = SO2{-2} + 2 H2O
C6H6O + O2 = CO2 + H2O =>
C6H6O + 7 O2 = 6 CO2 + 3 H2O
Zn + Cu(NO3)2 = Cu + Zn(NO3)2 =>
Zn + Cu(NO3)2 = Cu + Zn(NO3)2
KCrO2 + PbO2 + KOH = K2CrO4 + K2PbO2 + H2O =>
2 KCrO2 + 3 PbO2 + 8 KOH = 2 K2CrO4 + 3 K2PbO2 + 4 H2O
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
FeO + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 FeO + 4 H2SO4 = Fe2(SO4)3 + SO2 + 4 H2O
Fe + SbCl3 = Fe2Cl3 + Sb =>
2 Fe + SbCl3 = Fe2Cl3 + Sb
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
C2H5CHO + KMnO4 + H2SO4 = C2H5COOH + MnSO4 + K2SO4 + H2O =>
5 C2H5CHO + 2 KMnO4 + 3 H2SO4 = 5 C2H5COOH + 2 MnSO4 + K2SO4 + 3 H2O
I2 + Cl2 + H2O = HIO3 + HCl =>
I2 + 5 Cl2 + 6 H2O = 2 HIO3 + 10 HCl
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
ZN + AGNO3 = AG + ZN(NO3)2 =>
ZN + 2 AGNO3 = 2 AG + ZN(NO3)2
Pb(NO3)2 + ZnI2 = Zn(NO3)2 + PbI2 =>
Pb(NO3)2 + ZnI2 = Zn(NO3)2 + PbI2
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
CoCl3 + Ba(OH)2 = BaCl2 + Co(OH)3 =>
2 CoCl3 + 3 Ba(OH)2 = 3 BaCl2 + 2 Co(OH)3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
[Zn(NH3)4]SO4 + (NH4)2S = ZnS + (NH4)2SO4 + NH3 =>
[Zn(NH3)4]SO4 + (NH4)2S = ZnS + (NH4)2SO4 + 4 NH3
Fe2 + HCl = FeCl2 + H2 =>
Fe2 + 4 HCl = 2 FeCl2 + 2 H2
As2O3 + ClO{-} + OH{-} = AsO4{3-} + Cl{-} + H2O =>
As2O3 + 2 ClO{-} + 6 OH{-} = 2 AsO4{3-} + 2 Cl{-} + 3 H2O
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
C6H5OH + KOH = C6H5OK + H2O =>
C6H5OH + KOH = C6H5OK + H2O
P2O5 + CaO = Ca3(PO4)2 =>
P2O5 + 3 CaO = Ca3(PO4)2
C14H18N2O5 + O2 = H2O + CO2 + N2 =>
C14H18N2O5 + 16 O2 = 9 H2O + 14 CO2 + N2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
N2 + H = NH3 =>
N2 + 6 H = 2 NH3
AgNO3 + Cu = Ag + Cu(NO3)2 =>
2 AgNO3 + Cu = 2 Ag + Cu(NO3)2
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
AgNO3 + Cu = Ag + Cu(NO3)2 =>
2 AgNO3 + Cu = 2 Ag + Cu(NO3)2
Al + H2O + NaOH = Na[Al(OH)6] + H2 =>
2 Al + 10 H2O + 2 NaOH = 2 Na[Al(OH)6] + 5 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ba(NO3)2 + ZnSO4 = Zn(NO3)2 + BaSO4 =>
Ba(NO3)2 + ZnSO4 = Zn(NO3)2 + BaSO4
Na2S2O3 + CuSO4 = NaSO4 + Cu2S2O3 =>
Na2S2O3 + 2 CuSO4 = 2 NaSO4 + Cu2S2O3
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/30/15
Équations équilibrées sur03/01/14
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