| Équations équilibrées la veille | Équations équilibrées le lendemain |
ZnC2O4 + 2 HCl = ZnCl2 + H2C2O4
Fe(OH)3 = Fe2O3 + (H2O)5 =>
10 Fe(OH)3 = 5 Fe2O3 + 3(H2O)5
Mn{2+} + BiO3{-} + H2O = MnO4{-} + Bi{3+} + OH{-} =>
2 Mn{2+} + 5 BiO3{-} + 7 H2O = 2 MnO4{-} + 5 Bi{3+} + 14 OH{-}
Ti3V3Zr3Nb3Al4C8 = TiVZrNbAlC3 + Nb2AlC + TiAl + V2Al + Zr2Al3 =>
5 Ti3V3Zr3Nb3Al4C8 = 13 TiVZrNbAlC3 + Nb2AlC + 2 TiAl + V2Al + Zr2Al3
Fe + V = FeV =>
Fe + V = FeV
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Al2(CO3)3 + HCl = AlCl3 + CO2(g) + H2O(g) =>
Al2(CO3)3 + 6 HCl = 2 AlCl3 + 3 CO2(g) + 3 H2O(g)
Pb + OH = Pb(OH)2 =>
Pb + 2 OH = Pb(OH)2
Cr(NO3)2 + NH3 + H2O = Cr(OH)2 + NH4NO3 =>
Cr(NO3)2 + 2 NH3 + 2 H2O = Cr(OH)2 + 2 NH4NO3
CuCl2 + KNO2 = Cu(NO2)2 + KCl =>
CuCl2 + 2 KNO2 = Cu(NO2)2 + 2 KCl
Cr2O7{2-}(aq) + Cl{-}(aq) + H{+}(aq) = Cr{3+}(aq) + Cl2(g) + H2O(l) =>
Cr2O7{2-}(aq) + 6 Cl{-}(aq) + 14 H{+}(aq) = 2 Cr{3+}(aq) + 3 Cl2(g) + 7 H2O(l)
Zn(CH3COO)2*2H2O = Zn + C + H + O =>
Zn(CH3COO)2*2H2O = Zn + 4 C + 10 H + 6 O
SnCl2 + H2SO4 = SnCl4 + Sn(SO4)2 + SO2 + H2O =>
2 SnCl2 + 4 H2SO4 = SnCl4 + Sn(SO4)2 + 2 SO2 + 4 H2O
C6H5OH + O2 = CO2 + H2O = =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
Ag(NH3)2NO3 = Ag3N + NH4NO3 + NH3 =>
3 Ag(NH3)2NO3 = Ag3N + 3 NH4NO3 + 2 NH3
HNO3 + Sr(OH)2 = Sr(NO3)2 + H2O =>
2 HNO3 + Sr(OH)2 = Sr(NO3)2 + 2 H2O
BaCl2(aq) + KCO3(aq) = BaCO3(s) + KCl2(aq) =>
BaCl2(aq) + KCO3(aq) = BaCO3(s) + KCl2(aq)
NaCl + LiNO3 = NaNO3 + LiCl =>
NaCl + LiNO3 = NaNO3 + LiCl
MgSO4*7H2O + BaCl2 = MgCl2 + BaSO4*7H2O =>
MgSO4*7H2O + BaCl2 = MgCl2 + BaSO4*7H2O
FeSO4 + HBrO3 + H2SO4 = Fe2(SO4)3 + HBr + H2O =>
6 FeSO4 + HBrO3 + 3 H2SO4 = 3 Fe2(SO4)3 + HBr + 3 H2O
Fe3C + CO2 = Fe + CO =>
Fe3C + CO2 = 3 Fe + 2 CO
Al2(SO4)3 + HBr = AlBr3 + H2SO4 =>
Al2(SO4)3 + 6 HBr = 2 AlBr3 + 3 H2SO4
C6H4ClNO2 + NaOH = C6H4NO2ONa + NaCl + H2O =>
C6H4ClNO2 + 2 NaOH = C6H4NO2ONa + NaCl + H2O
C2H6O + MnO4{-} = C2H4O + MnO2 + H2O + OH{-} =>
3 C2H6O + 2 MnO4{-} = 3 C2H4O + 2 MnO2 + 2 H2O + 2 OH{-}
SO2 + KMnO4 + H2 = MnSO4 + K2SO4 + H2SO4 =>
4 SO2 + 2 KMnO4 + H2 = 2 MnSO4 + K2SO4 + H2SO4
FeTiO3 + HNO3 = Fe(NO3)3 + NO2 + TiO2 + H2O =>
FeTiO3 + 4 HNO3 = Fe(NO3)3 + NO2 + TiO2 + 2 H2O
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
MnO4{-}(aq) + SO3{2-}(aq) + H2O(l) = MnO2(s) + SO4{2-}(aq) + OH{-}(aq) =>
2 MnO4{-}(aq) + 3 SO3{2-}(aq) + H2O(l) = 2 MnO2(s) + 3 SO4{2-}(aq) + 2 OH{-}(aq)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ag2S + O = Ag + SO2 =>
Ag2S + 2 O = 2 Ag + SO2
HgSO4 + Ca(OH)2 = HgO + H2O + CaSO4 =>
HgSO4 + Ca(OH)2 = HgO + H2O + CaSO4
CrCl3 + FeSO4 = FeCl2 + Cr2(SO4)3 =>
2 CrCl3 + 3 FeSO4 = 3 FeCl2 + Cr2(SO4)3
NaClO3 = NaCl + O =>
NaClO3 = NaCl + 3 O
CH3CH2SH + H2O = CH3CH2S{-} + H3O{+} =>
CH3CH2SH + H2O = CH3CH2S{-} + H3O{+}
Cu(NO3)2 + HBr = CuBr2 + HNO3 =>
Cu(NO3)2 + 2 HBr = CuBr2 + 2 HNO3
K2Cr2O7 + H2SO4 + C2H5OH + H2O = KCr(SO4)2*12H2O + CH3CHO =>
K2Cr2O7 + 4 H2SO4 + 3 C2H5OH + 17 H2O = 2 KCr(SO4)2*12H2O + 3 CH3CHO
NaClO3 = Na + ClO3 =>
NaClO3 = Na + ClO3
C3H62 + O2 = CO2 + H2O =>
2 C3H62 + 37 O2 = 6 CO2 + 62 H2O
Fe + H{+} = Fe3{+} + H2 =>
6 Fe + 2 H{+} = 2 Fe3{+} + H2
Cu(s) + AlCl3(aq) = CuCl2(aq) + Al(s) =>
3 Cu(s) + 2 AlCl3(aq) = 3 CuCl2(aq) + 2 Al(s)
NaClO3 = NaCl + O3 =>
NaClO3 = NaCl + O3
H3PO4 = H2 + PO4 =>
2 H3PO4 = 3 H2 + 2 PO4
C2H3NaO2 + H2O = C2H2NaO2 + H3O =>
C2H3NaO2 + H2O = C2H2NaO2 + H3O
Fe2(CO3)3 + H2S = Fe2S3 + H2CO3 =>
Fe2(CO3)3 + 3 H2S = Fe2S3 + 3 H2CO3
Na2HPO4 + NH4OH + MgCl2 = MgNH4PO4 + NaCl + H2O =>
Na2HPO4 + NH4OH + MgCl2 = MgNH4PO4 + 2 NaCl + H2O
Fe(s) + ZnSO4(aq) = FeSO4 + Zn =>
Fe(s) + ZnSO4(aq) = FeSO4 + Zn
NaOH + MnO = Mn(OH)2 + Na2O =>
2 NaOH + MnO = Mn(OH)2 + Na2O
Zn + CO = ZnO + C =>
Zn + CO = ZnO + C
H2 + N + O2 = HNO3 =>
H2 + 2 N + 3 O2 = 2 HNO3
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Équations équilibrées sur10/26/24
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