| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeCl3(aq) + K4Fe(CN)6(aq) = K3Fe(CN)6(aq) + FeCl2(s) + KCl(aq)
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Na(OH) + Cu(NO3) = Cu(OH)2 + Na2(NO3) =>
2 Na(OH) + Cu(NO3) = Cu(OH)2 + Na2(NO3)
Fe3(SO4)2 + H2SO4 = FeSO4 + H2 =>
Fe3(SO4)2 + H2SO4 = 3 FeSO4 + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2CO3(g) + Ca(OH)2(aq) = CaCO3(s) + H2O(aq) =>
H2CO3(g) + Ca(OH)2(aq) = CaCO3(s) + 2 H2O(aq)
Na2S + H2O2 = Na2SO4 + H2O =>
Na2S + 4 H2O2 = Na2SO4 + 4 H2O
Na2SO3 + HNO3 = HSO3 + Na2NO3 =>
Na2SO3 + HNO3 = HSO3 + Na2NO3
HN03 + NaOH = H2O + NaN3 =>
HN03 + NaOH = H2O + NaN3
Ca + Cd(NO3)2 = Cd + Ca(NO3)2 =>
Ca + Cd(NO3)2 = Cd + Ca(NO3)2
HN03 + NaOH = H2O + NaN3 =>
HN03 + NaOH = H2O + NaN3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cr(OH)3 + ZnCl2 = CrCl3 + Zn(OH)2 =>
2 Cr(OH)3 + 3 ZnCl2 = 2 CrCl3 + 3 Zn(OH)2
KHCO3 + HBr = KBr + H2O + CO2 =>
KHCO3 + HBr = KBr + H2O + CO2
HN03 + NaOH = H2O + NaN3 =>
HN03 + NaOH = H2O + NaN3
CO2 + C4H10 = CO2C4H10 =>
CO2 + C4H10 = CO2C4H10
P + LiO = PO + Li =>
P + LiO = PO + Li
CH3CO2 + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
8 CH3CO2 + 7 NaHCO3 = 7 NaC2H3O2 + 5 H2O + 9 CO2
KHCO3 + CaCO3 = K2CO3 + Ca(OH)2 + CO2 =>
2 KHCO3 + CaCO3 = K2CO3 + Ca(OH)2 + 2 CO2
C2H2C2H2 + O2 = CO2 + H2O =>
C2H2C2H2 + 5 O2 = 4 CO2 + 2 H2O
FeSO4 + NH4OH = Fe(NH3)6SO4 + H2O =>
FeSO4 + 6 NH4OH = Fe(NH3)6SO4 + 6 H2O
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
Cd(s) + Fe(NO3)2(aq) = Fe + Cd(NO3)2 =>
Cd(s) + Fe(NO3)2(aq) = Fe + Cd(NO3)2
[Cd(NH3)4]SO4 = Cd(NH3)4 + SO4 =>
[Cd(NH3)4]SO4 = Cd(NH3)4 + SO4
Cl{2} + LiBr = Br{2} + LiCl =>
Cl{2} + LiBr = Br{2} + LiCl
HCI + CaCO3 = CaCI2 + H2O + CO =>
2 HCI + CaCO3 = CaCI2 + H2O + 2 CO
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
BeCl2 + AgNO3 = Be(NO3)2 + AgCl =>
BeCl2 + 2 AgNO3 = Be(NO3)2 + 2 AgCl
C2H5I + Na = C4H10 + NaI =>
2 C2H5I + 2 Na = C4H10 + 2 NaI
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Li(s) + Br2(l) = Br2Li(l) =>
Li(s) + Br2(l) = Br2Li(l)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
FeS2 + O2 = Fe2O3 + S2 =>
4 FeS2 + 3 O2 = 2 Fe2O3 + 4 S2
NO2{-} + H3O{+} + MnO4{-} = Mn{2+} + NO2 + H2O =>
5 NO2{-} + 8 H3O{+} + MnO4{-} = Mn{2+} + 5 NO2 + 12 H2O
KClO3 + KI + HCl = I2 + KCl + H2O =>
KClO3 + 6 KI + 6 HCl = 3 I2 + 7 KCl + 3 H2O
S2O3{2-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H{+} =>
S2O3{2-} + 4 Cl2 + 5 OH{-} = 2 SO4{2-} + 8 Cl{-} + 5 H{+}
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
Cu2 + H2SO4 = CuSO4 + H2O + SO2 =>
Cu2 + 4 H2SO4 = 2 CuSO4 + 4 H2O + 2 SO2
C6H14O2 = C6H10 + C6H12O + H2O =>
3 C6H14O2 = C6H10 + 2 C6H12O + 4 H2O
HPO2 = P2O3 + H2O =>
2 HPO2 = P2O3 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KNO3 + Na2S2O3 = K2S2O3 + NaNO3 =>
2 KNO3 + Na2S2O3 = K2S2O3 + 2 NaNO3
Zn(NO3)2 + Na3(PO4) = Zn3(PO4)2 + NaNO3 =>
3 Zn(NO3)2 + 2 Na3(PO4) = Zn3(PO4)2 + 6 NaNO3
Cu3(OH)4SO4 + H2SO4 = CuSO4 + H2O =>
Cu3(OH)4SO4 + 2 H2SO4 = 3 CuSO4 + 4 H2O
HC6H7O7 + NaHCO7 = Na2C6H6O7 + CO2 + H2O =>
17 HC6H7O7 + 18 NaHCO7 = 9 Na2C6H6O7 + 66 CO2 + 50 H2O
C8H8O3 + NaOH = C7H5NaO3 + CH3OH =>
C8H8O3 + NaOH = C7H5NaO3 + CH3OH
F2(g) + NaOH(aq) = NaF(aq) + H2O(l) + O2(g) =>
2 F2(g) + 4 NaOH(aq) = 4 NaF(aq) + 2 H2O(l) + O2(g)
NaClO = NaCl + NaClO3 =>
3 NaClO = 2 NaCl + NaClO3
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