| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Zn + O2 + 4 H{+} = 2 Zn{2+} + 2 H2O
Mg3(PO4)2 + H2S = H3PO4 + MgS =>
Mg3(PO4)2 + 3 H2S = 2 H3PO4 + 3 MgS
K2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2S3O12 + H2O + I2 =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 4 K2SO4 + Cr2S3O12 + 7 H2O + 3 I2
H + SO3 = H2SO3 =>
2 H + SO3 = H2SO3
C6H5Cl2 + O2 = CO2 + H2O + HCl =>
4 C6H5Cl2 + 27 O2 = 24 CO2 + 6 H2O + 8 HCl
C18H36O2 = C17H36 + CO2 =>
C18H36O2 = C17H36 + CO2
Co(H2O)6{+2}(aq) + Cl{-}(aq) = CoCl4{-2}(aq) + H2O(l) =>
Co(H2O)6{+2}(aq) + 4 Cl{-}(aq) = CoCl4{-2}(aq) + 6 H2O(l)
BaCl2 + NaF = BaF2 + NaCl =>
BaCl2 + 2 NaF = BaF2 + 2 NaCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
PH3HCl = PH4Cl =>
PH3HCl = PH4Cl
Mn2O3(S) + H2SO4(aq) = MnSO4 + H2O + S =>
3 Mn2O3(S) + 5 H2SO4(aq) = 6 MnSO4 + 5 H2O + 2 S
NaF + Ag(NO3) = AgF + NaNO3 =>
NaF + Ag(NO3) = AgF + NaNO3
H12N3O4P + Ca(OH)2 = Ca3(PO4)2 + NH3 + H2O =>
2 H12N3O4P + 3 Ca(OH)2 = Ca3(PO4)2 + 6 NH3 + 6 H2O
BaCl2 + NaHCO3 = BaCO3 + CO2 + H2O + NaCl =>
BaCl2 + 2 NaHCO3 = BaCO3 + CO2 + H2O + 2 NaCl
HClO + CaCO3 = Ca(ClO)2 + H2O + CO2 =>
2 HClO + CaCO3 = Ca(ClO)2 + H2O + CO2
P4O10 + KOH = K3PO4 + H2O =>
P4O10 + 12 KOH = 4 K3PO4 + 6 H2O
Ba(NO3)2 + (SO4)2 = Ba(SO4)2 + NO3 =>
Ba(NO3)2 + (SO4)2 = Ba(SO4)2 + 2 NO3
RbOH + HNO3 = H2O + RbNO3 =>
RbOH + HNO3 = H2O + RbNO3
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
CuSO4(aq) + NaCl(aq) = CuCl(s) + NaSO4(aq) =>
CuSO4(aq) + NaCl(aq) = CuCl(s) + NaSO4(aq)
NaNO3(aq) + KCl(aq) = NaCl(s) + KNO3(l) =>
NaNO3(aq) + KCl(aq) = NaCl(s) + KNO3(l)
BaO2 + C = Ba + CO2 =>
BaO2 + C = Ba + CO2
CuOH + H = Cu + H2O =>
CuOH + H = Cu + H2O
BrO3{-}(aq) + N2H4(g) = Br{-}(aq) + N2(g) + H2O =>
2 BrO3{-}(aq) + 3 N2H4(g) = 2 Br{-}(aq) + 3 N2(g) + 6 H2O
NaHCO3 + CoCl2 = Co(HCO3)2 + NaCl =>
2 NaHCO3 + CoCl2 = Co(HCO3)2 + 2 NaCl
C2H5BrMg + C4H8O2 = C6H14O + MgBr =>
4 C2H5BrMg + C4H8O2 = 2 C6H14O + 4 MgBr
Zn(CH3COO)2 + NaOH = ZnO + CH3COONa + H2O =>
Zn(CH3COO)2 + 2 NaOH = ZnO + 2 CH3COONa + H2O
H2O2 = H2O + O =>
H2O2 = H2O + O
Sr(HCO3)2 + NaOH = Sr(OH)2 + Na(HCO3) =>
Sr(HCO3)2 + 2 NaOH = Sr(OH)2 + 2 Na(HCO3)
Ni(NH3)6{2+} = NH3 + Ni{2+} =>
Ni(NH3)6{2+} = 6 NH3 + Ni{2+}
Ba(NO3)2 + Cu(SO4)2 = Ba(SO4)2 + Cu(NO3)2 =>
Ba(NO3)2 + Cu(SO4)2 = Ba(SO4)2 + Cu(NO3)2
Cl2SO2 + H2O = H2SO4 + HCl =>
Cl2SO2 + 2 H2O = H2SO4 + 2 HCl
AgCl + Cu = Ag + CuCl =>
AgCl + Cu = Ag + CuCl
Na2S + H2SO3 = H2S + Na2SO3 =>
Na2S + H2SO3 = H2S + Na2SO3
MnO2 + KJ + H2SO4 = J + KHSO4 + MnSO4 + H2O =>
MnO2 + 2 KJ + 3 H2SO4 = 2 J + 2 KHSO4 + MnSO4 + 2 H2O
KOH + CrBr3 = KBr + Cr(OH)3 =>
3 KOH + CrBr3 = 3 KBr + Cr(OH)3
C4H5O4Br + Ni(HCO3)3 = Ni2(C4H3O4Br)3 + CO2 + H2O =>
3 C4H5O4Br + 2 Ni(HCO3)3 = Ni2(C4H3O4Br)3 + 6 CO2 + 6 H2O
HCl + NaCHO3 = CO2 + NaCl + H2O =>
HCl + NaCHO3 = CO2 + NaCl + H2O
FeSO3 + KMnO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O + MnSO4 =>
10 FeSO3 + 6 KMnO4 + 14 H2SO4 = 5 Fe2(SO4)3 + 3 K2SO4 + 14 H2O + 6 MnSO4
H3AsO4 + MnSO4 + K2SO = HAsO2 + KMnO4 + H2SO4 + H2O =>
8 H3AsO4 + 2 MnSO4 + K2SO = 8 HAsO2 + 2 KMnO4 + 3 H2SO4 + 5 H2O
ZnO + MoO3 = ZnMo + O4 =>
ZnO + MoO3 = ZnMo + O4
FeCl3 + KSCN = [FeSCN]Cl2 + KCl =>
FeCl3 + KSCN = [FeSCN]Cl2 + KCl
H2SO4 + Mg(NO3)2 = MgSO4 + HNO3 =>
H2SO4 + Mg(NO3)2 = MgSO4 + 2 HNO3
Zn(CH3CO2)2 + Na3PO4 = Na(CH3CO2) + Zn3(PO4)2 =>
3 Zn(CH3CO2)2 + 2 Na3PO4 = 6 Na(CH3CO2) + Zn3(PO4)2
Bi(NO3)3 + NaOH = Bi6O5(OH)3(NO3)5(H2O)3 + H2O + NaNO3 =>
6 Bi(NO3)3 + 13 NaOH = Bi6O5(OH)3(NO3)5(H2O)3 + 2 H2O + 13 NaNO3
KIO3(aq) + KI(aq) + H2SO4(aq) = I2(s) + K2SO4(aq) + H2O =>
KIO3(aq) + 5 KI(aq) + 3 H2SO4(aq) = 3 I2(s) + 3 K2SO4(aq) + 3 H2O
H3C6H5O7 + NaHCO3 = CO2 + H2O + Na3C6H5O6 =>
10 H3C6H5O7 + 27 NaHCO3 = 33 CO2 + 31 H2O + 9 Na3C6H5O6
Cu(NH3)4Cl2 + KCN + H2O = K2Cu(CN)3 + NH3 + NH4Cl + KCNO + KCl =>
2 Cu(NH3)4Cl2 + 7 KCN + H2O = 2 K2Cu(CN)3 + 6 NH3 + 2 NH4Cl + KCNO + 2 KCl
CrCl3*6H2O + NaOH = Cr(OH)3 + NaCl + H2O =>
CrCl3*6H2O + 3 NaOH = Cr(OH)3 + 3 NaCl + 6 H2O
(H)3P(O)4 + RbOH = (H)2(O) + (Rb)3(P)(O)4 =>
(H)3P(O)4 + 3 RbOH = 3(H)2(O) + (Rb)3(P)(O)4
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Équations équilibrées sur11/22/24
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