| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al(NO3)3 + 5 CH4N2O = Al2O3 + 5 CO2 + 10 H2O + 8 N2
Al(s) + Pb(NO3)2 = Pb + Al(NO3)3 =>
2 Al(s) + 3 Pb(NO3)2 = 3 Pb + 2 Al(NO3)3
K3[Fe(CN)6] + KI = I + K4[Fe(CN)6] =>
K3[Fe(CN)6] + KI = I + K4[Fe(CN)6]
CoCl3(NH3)5(aq) + OH{-}(aq) = Co3O4(s) + O2(g) + NH3(aq) + H2O(l) + Cl{-}(aq) =>
12 CoCl3(NH3)5(aq) + 36 OH{-}(aq) = 4 Co3O4(s) + O2(g) + 60 NH3(aq) + 18 H2O(l) + 36 Cl{-}(aq)
CaCl2 + NaOCl = CaOCl2 + NaCl =>
CaCl2 + NaOCl = CaOCl2 + NaCl
Zr(s) + N2(g) = Zr3N4(s) =>
3 Zr(s) + 2 N2(g) = Zr3N4(s)
BaCl2 + PbO2 + H2SO4 = Cl + PbSO4 + BaSO4 + H2O =>
BaCl2 + PbO2 + 2 H2SO4 = 2 Cl + PbSO4 + BaSO4 + 2 H2O
Sn + S8 = SnS =>
8 Sn + S8 = 8 SnS
C13H10O + NaBH4 = C13H12O + NaBH3 =>
C13H10O + 2 NaBH4 = C13H12O + 2 NaBH3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
PbS + HNO3 = Pb(NO3)2 + S + H2O + NO =>
3 PbS + 8 HNO3 = 3 Pb(NO3)2 + 3 S + 4 H2O + 2 NO
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Zn(NO3)2 + C6H8O7 = Zn3(C6H5O7)2*2H2O + N2 + O2 + H2O =>
6 Zn(NO3)2 + 4 C6H8O7 = 2 Zn3(C6H5O7)2*2H2O + 6 N2 + 15 O2 + 2 H2O
K2I + Br = KBr + I2 =>
2 K2I + 4 Br = 4 KBr + I2
C2H4 + Cl = C2H3Cl + HCl =>
C2H4 + 2 Cl = C2H3Cl + HCl
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
La(NO3)3 + KIO3 = La(IO3)3 + K(NO3) =>
La(NO3)3 + 3 KIO3 = La(IO3)3 + 3 K(NO3)
CaCl2(aq) + Na2CO3(aq) = NaCl(aq) + CaCO3(aq) =>
CaCl2(aq) + Na2CO3(aq) = 2 NaCl(aq) + CaCO3(aq)
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Bi(HCO3)5 = Bi2(CO3)5 + H2O + CO2 =>
2 Bi(HCO3)5 = Bi2(CO3)5 + 5 H2O + 5 CO2
CH4 + SO4{-2} = HS{-} + CO2 + H2O + {-} =>
9 CH4 + 8 SO4{-2} = 8 HS{-} + 9 CO2 + 14 H2O + 8e
Ca(CO3) + H2(SO4) = Ca(SO4) + H2(CO3) =>
Ca(CO3) + H2(SO4) = Ca(SO4) + H2(CO3)
K4Fe(CN)6 + K2CO3 = KCN + FeO + CO2 =>
K4Fe(CN)6 + K2CO3 = 6 KCN + FeO + CO2
NaH + Cl2 = NaCl + H2 =>
2 NaH + Cl2 = 2 NaCl + H2
KC2H3O2 + H2O = KC2H3O2*H2O =>
KC2H3O2 + H2O = KC2H3O2*H2O
Li2S + Cu(NO3)2 = LiNO3 + CuS =>
Li2S + Cu(NO3)2 = 2 LiNO3 + CuS
C2(H6) + O2 = H2(O) + C(O2) =>
2 C2(H6) + 7 O2 = 6 H2(O) + 4 C(O2)
Fe(HCO3)2 + O2 + H2O = Fe(OH)3 + CO2 =>
4 Fe(HCO3)2 + O2 + 2 H2O = 4 Fe(OH)3 + 8 CO2
NaNO3(s) + H2SO4(aq) = Na2SO4(aq) + HNO3(aq) =>
2 NaNO3(s) + H2SO4(aq) = Na2SO4(aq) + 2 HNO3(aq)
Ni = Ni{2+} + e =>
Ni = Ni{2+} + 2e
Pb(NO3)2(aq) + K3PO4(aq) = Pb3(PO4)2 + KNO3(aq) =>
3 Pb(NO3)2(aq) + 2 K3PO4(aq) = Pb3(PO4)2 + 6 KNO3(aq)
CuCl2 + I2 = CuI + Cl =>
2 CuCl2 + I2 = 2 CuI + 4 Cl
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l) =>
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l)
Ni(NH3)6{2+} + (CH3)2C2(NOH)2 = NH4{+} + NH3 + NiC8H14N4O4 =>
Ni(NH3)6{2+} + 2(CH3)2C2(NOH)2 = 2 NH4{+} + 4 NH3 + NiC8H14N4O4
Al2SiO5 + H2SO4 = Al2(SO4)3 + SiO2 + H2O =>
Al2SiO5 + 3 H2SO4 = Al2(SO4)3 + SiO2 + 3 H2O
BaCl2 + HCl = BaH2 + Cl =>
BaCl2 + 2 HCl = BaH2 + 4 Cl
NaOH(aq) + Al2O3(s) + HF(aq) = Na3AlF6(aq) + H2O(l) =>
6 NaOH(aq) + Al2O3(s) + 12 HF(aq) = 2 Na3AlF6(aq) + 9 H2O(l)
C8H16 + KMnO4 + H2SO4 = CO2 + H2O + MnSO4 + K2SO4 =>
5 C8H16 + 48 KMnO4 + 72 H2SO4 = 40 CO2 + 112 H2O + 48 MnSO4 + 24 K2SO4
Na2(CO3) + Co(NO3)2 = Na(NO3) + CoCO3 =>
Na2(CO3) + Co(NO3)2 = 2 Na(NO3) + CoCO3
Ca(C2H3O2)2 + H2SO4 = CaSO4 + CH3COOH =>
Ca(C2H3O2)2 + H2SO4 = CaSO4 + 2 CH3COOH
CH3NH2 + KNO2 + HCl = CH3OH + N2 + KCl + H2O =>
CH3NH2 + KNO2 + HCl = CH3OH + N2 + KCl + H2O
Cu + Ca(ClO2)2 = Cu(ClO2)2 + Ca =>
Cu + Ca(ClO2)2 = Cu(ClO2)2 + Ca
C23H48 + CuO = Cu + H2O + CO2 =>
C23H48 + 70 CuO = 70 Cu + 24 H2O + 23 CO2
H2SiO3 + Fe(OH)2 = Fe(SiO3) + H2O =>
H2SiO3 + Fe(OH)2 = Fe(SiO3) + 2 H2O
Cu(C2H3O2)2 + Na2CO3 = CuCO3 + Na(C2H3O2) =>
Cu(C2H3O2)2 + Na2CO3 = CuCO3 + 2 Na(C2H3O2)
CuCl2 + K4FeCN6 = CuCl + KCl + K3FeCN6 =>
CuCl2 + K4FeCN6 = CuCl + KCl + K3FeCN6
Pb(CH3COO)2 + Cl2 + KOH = PbO2 + KCl + KCH3COO + H2O =>
Pb(CH3COO)2 + Cl2 + 4 KOH = PbO2 + 2 KCl + 2 KCH3COO + 2 H2O
CuCl2 + K4(Fe(CN)6) = Cu2(Fe(CN)6) + KCl =>
2 CuCl2 + K4(Fe(CN)6) = Cu2(Fe(CN)6) + 4 KCl
KMnO4 + C4H8 + H2O = KOH + MnO2 + C2H4O2 =>
8 KMnO4 + 3 C4H8 + 4 H2O = 8 KOH + 8 MnO2 + 6 C2H4O2
C3H(g) + O2(g) = CO2(g) + H2O(l) =>
4 C3H(g) + 13 O2(g) = 12 CO2(g) + 2 H2O(l)
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Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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