| Équations équilibrées la veille | Équations équilibrées le lendemain |
KMnO4 + 2 C6H12O6 + 4 KOH = K3[Mn(OH)6] + 2 C6H11O7K
HCl + K2Cr2O7 + SnCl2 = CrCl3 + SnCl4 + H2O + KCl =>
14 HCl + K2Cr2O7 + 3 SnCl2 = 2 CrCl3 + 3 SnCl4 + 7 H2O + 2 KCl
PbCl2 + OH{-} = Pb(OH)2 + Cl{-1) =>
PbCl2 + 2 OH{-} = Pb(OH)2 + 2 Cl{-1)
C9H8O + O = CO2 + H2O =>
C9H8O + 21 O = 9 CO2 + 4 H2O
H2SO4 + Pb(CH3CO2)2 = PbSO4 + C2H4O2 =>
H2SO4 + Pb(CH3CO2)2 = PbSO4 + 2 C2H4O2
La2O3 + Nb2O5 + Bi2O3 = LaNbBiO4 + O2 =>
2 La2O3 + 2 Nb2O5 + 2 Bi2O3 = 4 LaNbBiO4 + 3 O2
Na2CO3(aq) + HC2H3O2(aq) = NaHC + CO2 + H2O =>
2 Na2CO3(aq) + 3 HC2H3O2(aq) = 4 NaHC + 4 CO2 + 4 H2O
Li + O2 = Li42O4 =>
42 Li + 2 O2 = Li42O4
Ag + NH3 = AgNH2 + H =>
Ag + NH3 = AgNH2 + H
ClO{-} + H2O = HCl{-} + OH =>
ClO{-} + 2 H2O = HCl{-} + 3 OH
HCl + NO3 = HO3 + NCl =>
HCl + NO3 = HO3 + NCl
NO2{-} + C4H4O4 + H{+} = N2 + H2O + CO2 =>
4 NO2{-} + C4H4O4 + 4 H{+} = 2 N2 + 4 H2O + 4 CO2
Mg + H + O = MgHO =>
Mg + H + O = MgHO
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Fe2SiO4 + H2O = Fe3O4 + SiO2 + H2 =>
3 Fe2SiO4 + 2 H2O = 2 Fe3O4 + 3 SiO2 + 2 H2
Fe + Al(NO3)3 = Al + Fe(NO3)3 =>
Fe + Al(NO3)3 = Al + Fe(NO3)3
H2 + KNO3 = K2O + H2O + N2 =>
5 H2 + 2 KNO3 = K2O + 5 H2O + N2
Mg(C2H3O2)2 + Al2(SO4)3 = MgSO4 + Al(C2H3O2)3 =>
3 Mg(C2H3O2)2 + Al2(SO4)3 = 3 MgSO4 + 2 Al(C2H3O2)3
C4H6 + K2Cr2O7 + H2X = K2X + Cr2X3 + H2O + C2H4O2 =>
C4H6 + K2Cr2O7 + 4 H2X = K2X + Cr2X3 + 3 H2O + 2 C2H4O2
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
C8H8O3 + NaOH(aq) = C7H5NaO3 + CH3OH =>
C8H8O3 + NaOH(aq) = C7H5NaO3 + CH3OH
CuFeS2 + H2SO4 = CuSO4 + FeSO4 + S + H2O =>
3 CuFeS2 + 8 H2SO4 = 3 CuSO4 + 3 FeSO4 + 8 S + 8 H2O
Pb(NO3) + Na = Na(NO3) + Pb =>
Pb(NO3) + Na = Na(NO3) + Pb
NH3 + HBr = NH3Br + H2 =>
2 NH3 + 2 HBr = 2 NH3Br + H2
Berylliumchloride + silvernitrate = Berylliumnitrate + silverchloride =>
BeCl2 + 2 AgNO3 = Be(NO3)2 + 2 AgCl
C2H6 + O2 = CO2 + H2O55 =>
2 C2H6 + 169 O2 = 4 CO2 + 6 H2O55
Hg2(NO3)2 + KI = Hg2I2 + KNO3 =>
Hg2(NO3)2 + 2 KI = Hg2I2 + 2 KNO3
K7 + H5 = K9H8 =>
45 K7 + 56 H5 = 35 K9H8
KNO2 + KI + H2SO4 = I2 + NO + KHSO4 + H2O =>
2 KNO2 + 2 KI + 4 H2SO4 = I2 + 2 NO + 4 KHSO4 + 2 H2O
C3H8 + H2O = CO + H2 =>
C3H8 + 3 H2O = 3 CO + 7 H2
KOH + KIO3 + Cr(OH)3 = KI + K2CrO4 + H2O =>
4 KOH + KIO3 + 2 Cr(OH)3 = KI + 2 K2CrO4 + 5 H2O
Si30H36 + SiH4 = Si2H6 =>
Si30H36 + 54 SiH4 = 42 Si2H6
C10H10Fe1 + O2 = Fe2O3 + CO2 + H2O =>
4 C10H10Fe1 + 53 O2 = 2 Fe2O3 + 40 CO2 + 20 H2O
NaBr + Sulfuricacid = Hydrobromicacid + sodiumsulfate =>
2 NaBr + H2SO4 = 2 HBr + Na2SO4
Cu3AsS4 + H2SO4 = CuSO4 + As2O3 + H2O + SO2(g) =>
2 Cu3AsS4 + 31 H2SO4 = 6 CuSO4 + As2O3 + 31 H2O + 33 SO2(g)
NiI2 + CO2 + H2O = NiCO3 + HI =>
NiI2 + CO2 + H2O = NiCO3 + 2 HI
Cl2 + H = H7Cl =>
Cl2 + 14 H = 2 H7Cl
Nb + O + Cl = NbOCl =>
Nb + O + Cl = NbOCl
Pb(NO3)2 + KOH = K2NO3 + Pb(OH)4 =>
Pb(NO3)2 + 4 KOH = 2 K2NO3 + Pb(OH)4
Br + CaI = BrI + Ca =>
Br + CaI = BrI + Ca
C6H12O6 = CO2 + H2O + C4H8O3 =>
3 C6H12O6 = 2 CO2 + 2 H2O + 4 C4H8O3
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C9H11Br + KMnO4 + H2SO4 = C7H5BrO2 + CO2 + MnSO4 + K2SO4 + H2O =>
5 C9H11Br + 18 KMnO4 + 27 H2SO4 = 5 C7H5BrO2 + 10 CO2 + 18 MnSO4 + 9 K2SO4 + 42 H2O
Co2(NO3)2 + Li2S = Co2S + Li(NO3) =>
Co2(NO3)2 + Li2S = Co2S + 2 Li(NO3)
Hg(Ac)2 + Na2SO4 = NaAc + HgSO4 =>
Hg(Ac)2 + Na2SO4 = 2 NaAc + HgSO4
K2Cr2O7 + CdCl2 = KCl + CdCr2O7 =>
K2Cr2O7 + CdCl2 = 2 KCl + CdCr2O7
CH4(g) + O22(g) = CO2(g) + H2O(g) =>
11 CH4(g) + 2 O22(g) = 11 CO2(g) + 22 H2O(g)
H5IO6 + NaOH = Na2H3IO6 + H2O =>
H5IO6 + 2 NaOH = Na2H3IO6 + 2 H2O
K2CO3 + NH3 = KNH2 + CO2 + H2O =>
K2CO3 + 2 NH3 = 2 KNH2 + CO2 + H2O
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