| Équations équilibrées la veille | Équations équilibrées le lendemain |
10 Rb + 2 RbNO3 = 6 Rb2O + N2
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
Li2O + H3PO4 = Li3PO4 + H2O =>
3 Li2O + 2 H3PO4 = 2 Li3PO4 + 3 H2O
NH4OH + CuClO3 = CuOH + NH4ClO3 =>
NH4OH + CuClO3 = CuOH + NH4ClO3
Br2 + NH4OH = NH4Br + N2 + H2O =>
3 Br2 + 8 NH4OH = 6 NH4Br + N2 + 8 H2O
Fe(NO3)2 + Zn = FeZn + (NO3)2 =>
Fe(NO3)2 + Zn = FeZn + (NO3)2
KBr + NaBr + Ag = AgBr + NaK =>
KBr + NaBr + 2 Ag = 2 AgBr + NaK
Co(NO3)2 + KCl = CoCl + K(NO3)2 =>
Co(NO3)2 + KCl = CoCl + K(NO3)2
C6H10 + KMnO4 + H2O = C6H10O4 + KOH + MnO2 =>
3 C6H10 + 8 KMnO4 + 4 H2O = 3 C6H10O4 + 8 KOH + 8 MnO2
NH4 + H2O = NH3OH + H2 =>
NH4 + H2O = NH3OH + H2
Fe2O3 + Ba(OH)2 = Fe(OH)3 + BaO =>
Fe2O3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaO
NaHSO4 + KClO3 = NaClO3 + KHSO4 =>
NaHSO4 + KClO3 = NaClO3 + KHSO4
Fe{2+} + S2O3 = Fe{3+} + S4O6{2-} =>
2 Fe{2+} + 2 S2O3 = 2 Fe{3+} + S4O6{2-}
KClO4 + Cr(OH)3 + KOH = K2CrO4 + KCl + H2O =>
3 KClO4 + 8 Cr(OH)3 + 16 KOH = 8 K2CrO4 + 3 KCl + 20 H2O
NH4NO3 + NaOH = NaNO3 + NH3 + H2O =>
NH4NO3 + NaOH = NaNO3 + NH3 + H2O
Ni(NO3)2(aq) + Na2CO3(aq) = NiCO3(aq) + NaNO3(aq) =>
Ni(NO3)2(aq) + Na2CO3(aq) = NiCO3(aq) + 2 NaNO3(aq)
M2O3 + CO = M + CO2 =>
M2O3 + 3 CO = 2 M + 3 CO2
[Co(NH3)5Cl]Cl2 + NaNO2 = [Co(NH3)5(ONO)]Cl2 + NaCl =>
[Co(NH3)5Cl]Cl2 + NaNO2 = [Co(NH3)5(ONO)]Cl2 + NaCl
(NH4)2S(aq) + Pb(NO3)2(aq) = (NH4)(NO3)(aq) + PbS(s) =>
(NH4)2S(aq) + Pb(NO3)2(aq) = 2(NH4)(NO3)(aq) + PbS(s)
Ag2CO3(s) + HNO3(aq) = AgNO3(aq) + CO2(g) + H2O(aq) =>
Ag2CO3(s) + 2 HNO3(aq) = 2 AgNO3(aq) + CO2(g) + H2O(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HI(aq) + Na2SO3(aq) = NaI + H2SO3 =>
2 HI(aq) + Na2SO3(aq) = 2 NaI + H2SO3
NaOH + CaCl{2} = NaCl{2} + CaOH =>
NaOH + CaCl{2} = NaCl{2} + CaOH
Pb(CH3COO)2 + H2SO4 = Pb(HSO4)2 + CH3COOH =>
Pb(CH3COO)2 + 2 H2SO4 = Pb(HSO4)2 + 2 CH3COOH
K3N + KOH = NH3 + K2O =>
K3N + 3 KOH = NH3 + 3 K2O
C6H8O6 + I2 + H2O = C6H10O6 + IOH =>
C6H8O6 + I2 + 2 H2O = C6H10O6 + 2 IOH
Cr2O3 + KOH = Cr(HO)3 + K2O =>
Cr2O3 + 6 KOH = 2 Cr(HO)3 + 3 K2O
NiCl2 + KCN(excess) = KCl2 + NiCN =>
NiCl2 + KCN(excess) = KCl2 + NiCN
CsCl + HCl = HCs + Cl2 =>
CsCl + HCl = HCs + Cl2
Ca(OH)2 + HI = Ca(I)2 + H2O =>
Ca(OH)2 + 2 HI = Ca(I)2 + 2 H2O
Pb(aq) + K2CrO4(aq) = PbCrO4(s) + K(aq) =>
Pb(aq) + K2CrO4(aq) = PbCrO4(s) + 2 K(aq)
NaAlSi3O8 + H2O + Al{3+} = Na1Al7Si11O30(OH)6 + SiO2 + Na{+} =>
11 NaAlSi3O8 + 6 H2O + 3 Al{3+} = 2 Na1Al7Si11O30(OH)6 + 11 SiO2 + 9 Na{+}
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Sr(NO3)2 + RbOH = Sr(OH)2 + RbNO3 =>
Sr(NO3)2 + 2 RbOH = Sr(OH)2 + 2 RbNO3
KNO3 + C12H22O11 + S = K2S + N2 + H2O + CO2 =>
8 KNO3 + C12H22O11 + 4 S = 4 K2S + 4 N2 + 11 H2O + 12 CO2
HCO3 = CO3 + H2O + CO2 =>
2 HCO3 = CO3 + H2O + CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cd + HNO3 = Cd(NO3)2 + H =>
Cd + 2 HNO3 = Cd(NO3)2 + 2 H
NaCH3CO2 + HClO4 = NaClO4 + CH4CO2 =>
NaCH3CO2 + HClO4 = NaClO4 + CH4CO2
NH4OH + NO2 = NH4NO3 + H2 =>
2 NH4OH + 2 NO2 = 2 NH4NO3 + H2
AgC2H3O2 + Na3P = Ag3P + NaC2H3O2 =>
3 AgC2H3O2 + Na3P = Ag3P + 3 NaC2H3O2
Cr3(PO3)3 + H2O = Cr(OH)3 + H3PO3 =>
Cr3(PO3)3 + 9 H2O = 3 Cr(OH)3 + 3 H3PO3
Ag + FeSO4 = AgFe + SO4 =>
Ag + FeSO4 = AgFe + SO4
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
HI + K2O = KI + H2O =>
2 HI + K2O = 2 KI + H2O
MnO4{2-} + H2O = MnO2 + MnO4 + OH{-} =>
2 MnO4{2-} + 2 H2O = MnO2 + MnO4 + 4 OH{-}
MnS + HNO3 = Mn(NO3)2 + H2O + NO + S =>
3 MnS + 8 HNO3 = 3 Mn(NO3)2 + 4 H2O + 2 NO + 3 S
KMnO4 + H2SO4 = Mn2O7 + K{+} + HSO4{-} + H2O =>
2 KMnO4 + 2 H2SO4 = Mn2O7 + 2 K{+} + 2 HSO4{-} + H2O
C6H5CHO + KOH = C6H5CH3OH + C6H5COOK =>
5 C6H5CHO + 3 KOH = 2 C6H5CH3OH + 3 C6H5COOK
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