| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 OH = O + H2O
HI(aq) + Pb(NO3)2(aq) = PbI2(s) + HNO3(aq) =>
2 HI(aq) + Pb(NO3)2(aq) = PbI2(s) + 2 HNO3(aq)
KClO3 + Mg(NO3)2 = MgK2 + ClO3NO3 =>
2 KClO3 + Mg(NO3)2 = MgK2 + 2 ClO3NO3
Sb2S3 + HF = SbF3 + H2S =>
Sb2S3 + 6 HF = 2 SbF3 + 3 H2S
C3H7ClOH = C3H7OHCl =>
C3H7ClOH = C3H7OHCl
Ag + Zn3(PO4)2 = Ag3(PO4) + Zn =>
6 Ag + Zn3(PO4)2 = 2 Ag3(PO4) + 3 Zn
KClO3 + NaI + H2O = I2 + KCl + NaOH =>
KClO3 + 6 NaI + 3 H2O = 3 I2 + KCl + 6 NaOH
HNO2 = NO + H2O + HNO3 =>
3 HNO2 = 2 NO + H2O + HNO3
C57H92O6 + H2 = C56H97O4COOH =>
C57H92O6 + 3 H2 = C56H97O4COOH
Mn + Fe(NO3)2 = Fe + Mn(NO3)2 =>
Mn + Fe(NO3)2 = Fe + Mn(NO3)2
Mg(C2H3O2)2(s) = Mg + C2H3O2 =>
Mg(C2H3O2)2(s) = Mg + 2 C2H3O2
Li2PO4 + Cu(NO3)2 = CuPO4 + LiNO3 =>
Li2PO4 + Cu(NO3)2 = CuPO4 + 2 LiNO3
[Cd(NH3)4](NO3)2 + H2S = CdS + NH3 + HNO3 =>
[Cd(NH3)4](NO3)2 + H2S = CdS + 4 NH3 + 2 HNO3
P4 + Ca(OH)2 + H2O = H2 + Ca(H2PO2)2 =>
P4 + 2 Ca(OH)2 + 4 H2O = 2 H2 + 2 Ca(H2PO2)2
V2O5 + Al = Al2O3 + V =>
3 V2O5 + 10 Al = 5 Al2O3 + 6 V
CuSO4 + Na2 = Cu + Na2SO4 =>
CuSO4 + Na2 = Cu + Na2SO4
BaCl2 + Al = Ba3Al2 + Cl =>
3 BaCl2 + 2 Al = Ba3Al2 + 6 Cl
HCl + C4H10O = CH3CH2Cl + CH3CH2OH =>
HCl + C4H10O = CH3CH2Cl + CH3CH2OH
Cu{+2} + Zn = Cu{+} + Zn{+2} =>
2 Cu{+2} + Zn = 2 Cu{+} + Zn{+2}
Ca(ClO2)2 + Na2S + H2O = CaCl2 + S + NaOH =>
Ca(ClO2)2 + 4 Na2S + 4 H2O = CaCl2 + 4 S + 8 NaOH
NaClO2 + C6H8O7 = ClO2 + Na3C6H5O7 + H2 =>
6 NaClO2 + 2 C6H8O7 = 6 ClO2 + 2 Na3C6H5O7 + 3 H2
F2 + Fe{2+} = F{-} + Fe{3 =>
F2 + 2 Fe{2+} = 2 F{-} + 2 Fe{3
FeCl3 + MgO2H2 = FeO3H3 + MgCl2 =>
2 FeCl3 + 3 MgO2H2 = 2 FeO3H3 + 3 MgCl2
AlCl{-}3 + Mg(OH){-}3 = Al(OH){-}3 + MgCl{-}2 =>
AlCl{-}3 + Mg(OH){-}3 = Al(OH){-}3 + MgCl{-}2
NiSO4 + NaOH = NiOH + Na + SO4 =>
NiSO4 + NaOH = NiOH + Na + SO4
FeSi2 + CaCO3 + Ca(OH)2 = Si(OCH3)4 + Fe + CaO + SiO2 =>
3 FeSi2 + 4 CaCO3 + 6 Ca(OH)2 = Si(OCH3)4 + 3 Fe + 10 CaO + 5 SiO2
AgI2 + Na2S = AgS + NaI =>
AgI2 + Na2S = AgS + 2 NaI
KCl + Mg(NO3)2 = MgCl2 + K(NO3) =>
2 KCl + Mg(NO3)2 = MgCl2 + 2 K(NO3)
NH4Fe(SO4)2 + NaOH = Fe(OH)3 + NH3 + Na2SO4 + H2O =>
NH4Fe(SO4)2 + 4 NaOH = Fe(OH)3 + NH3 + 2 Na2SO4 + H2O
O2 + C9H16 = CO2 + H2O =>
13 O2 + C9H16 = 9 CO2 + 8 H2O
G + H2SO4 = G(SO4)3 + SO2 + H2O =>
G + 6 H2SO4 = G(SO4)3 + 3 SO2 + 6 H2O
Mn(OH)5 + HCl = MnCl2 + H2O + Cl2 =>
2 Mn(OH)5 + 10 HCl = 2 MnCl2 + 10 H2O + 3 Cl2
Na3PO4 + Fe(ClO4)2 = Fe3(PO4)2 + NaClO4 =>
2 Na3PO4 + 3 Fe(ClO4)2 = Fe3(PO4)2 + 6 NaClO4
MnO2 + OH{-} = MnO4{-} + H2O + e =>
MnO2 + 4 OH{-} = MnO4{-} + 2 H2O + 3e
Ni(NO3)2 + (NH4)2SeO4 = Ni(SeO4) + (NH4)2(NO3)2 =>
Ni(NO3)2 + (NH4)2SeO4 = Ni(SeO4) + (NH4)2(NO3)2
B + V2O5 = (BO)2 + VB2 =>
18 B + 2 V2O5 = 5(BO)2 + 4 VB2
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Mg3(Po4)2 + H2 = Mg + H3Po4 =>
Mg3(Po4)2 + 3 H2 = 3 Mg + 2 H3Po4
Fe{2+} + FeO4{2-} + H2O = Fe(OH)3 + H{+} =>
3 Fe{2+} + FeO4{2-} + 8 H2O = 4 Fe(OH)3 + 4 H{+}
C8H18 + O2 = CO2 + H2 =>
C8H18 + 8 O2 = 8 CO2 + 9 H2
H3PO4(aq) + NH3(aq) = H6N + PO4 =>
H3PO4(aq) + NH3(aq) = H6N + PO4
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
C4H10 + HCl = C4H8Cl2 + H2 =>
C4H10 + 2 HCl = C4H8Cl2 + 2 H2
H2SO4 + Zn = H2 + SO4Zn =>
H2SO4 + Zn = H2 + SO4Zn
H3 + O2 = H3O =>
2 H3 + O2 = 2 H3O
C6H10O5 = CO + CH4O + C7H4O =>
6 C6H10O5 = 15 CO + 14 CH4O + C7H4O
Na2TeO3 + H2O = NaOH + NaHTeO3 =>
Na2TeO3 + H2O = NaOH + NaHTeO3
NH2CH2COOH + Fe(OH)2 = (NH2CH2COO)2Fe + H2O =>
2 NH2CH2COOH + Fe(OH)2 = (NH2CH2COO)2Fe + 2 H2O
Na2SO3(aq) + HBr(aq) = NaBr(aq) + H2O(l) + SO2(g) =>
Na2SO3(aq) + 2 HBr(aq) = 2 NaBr(aq) + H2O(l) + SO2(g)
Fe + Al2O3 = Fe2Al2 + O3 =>
2 Fe + Al2O3 = Fe2Al2 + O3
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Équations équilibrées sur01/29/25
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