| Équations équilibrées la veille |
Kl + Br2 = Br2Kl
As2Se5 + HNO3 + H2O = H2SeO4 + H3AsO4 + NO =>
3 As2Se5 + 40 HNO3 + 4 H2O = 15 H2SeO4 + 6 H3AsO4 + 40 NO
Pb(aq) + NaCl(s) = PbCl2 + Na =>
Pb(aq) + 2 NaCl(s) = PbCl2 + 2 Na
C3H7OH + O2 = H2O + C3H7COOH =>
4 C3H7OH + 3 O2 = 4 H2O + 3 C3H7COOH
CrO3 + O2 + {-} = CrO4{2-} =>
2 CrO3 + O2 + 4e = 2 CrO4{2-}
KOH + C8H5KO4 = K2C8O4H4 + H2O =>
KOH + C8H5KO4 = K2C8O4H4 + H2O
Ce(IO)4 + H2C2O4 = Ce2(C2O4)3 + I2 + CO2 + H2O =>
2 Ce(IO)4 + 8 H2C2O4 = Ce2(C2O4)3 + 4 I2 + 10 CO2 + 8 H2O
Fe(NO3)3 + C5H10O2 + NaOH = Fe(C5H9O2)3 + NaNO3 + H2O =>
Fe(NO3)3 + 3 C5H10O2 + 3 NaOH = Fe(C5H9O2)3 + 3 NaNO3 + 3 H2O
K2S(aq) + BaCl2(aq) = BaS(a) + KCl(aq) =>
K2S(aq) + BaCl2(aq) = BaS(a) + 2 KCl(aq)
NaBrO3 + NaCl + H2SO4 = Br2 + H2O + Cl2 + Na2SO4 =>
2 NaBrO3 + 10 NaCl + 6 H2SO4 = Br2 + 6 H2O + 5 Cl2 + 6 Na2SO4
FeCl3 + Cu2SO4 = FeSO4 + CuCl2 + FeCl2 =>
2 FeCl3 + Cu2SO4 = FeSO4 + 2 CuCl2 + FeCl2
C10H7ONa + HCl = C10H7OH + NaCl =>
C10H7ONa + HCl = C10H7OH + NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
(ZnOH)2SO4 + H2O = Zn(OH)2 + H2SO4 =>
(ZnOH)2SO4 + 2 H2O = 2 Zn(OH)2 + H2SO4
CoCl2 + NH3 + H2O2 = [CoCl(NH3)5(NO2)]Cl + H2O =>
2 CoCl2 + 12 NH3 + 7 H2O2 = 2[CoCl(NH3)5(NO2)]Cl + 10 H2O
FeSO4 + Na3AsO4 = Fe3As2 + Na2(SO4) + O2 =>
3 FeSO4 + 2 Na3AsO4 = Fe3As2 + 3 Na2(SO4) + 4 O2
Pb(SO4)2 + Na2S = NaSO4 + PbS =>
Pb(SO4)2 + Na2S = 2 NaSO4 + PbS
NO2 + C = N2 + CO2 =>
2 NO2 + 2 C = N2 + 2 CO2
Mg + B = MgB2 =>
Mg + 2 B = MgB2
C2H6 = C3H8 + CH4 =>
2 C2H6 = C3H8 + CH4
Ca + Cl = Ca2Cl =>
2 Ca + Cl = Ca2Cl
Cu + KI = CuK + I =>
Cu + KI = CuK + I
FeSO4 + K3[Fe(CN)6] = Fe3[Fe(CN)6] + K + SO4 =>
3 FeSO4 + K3[Fe(CN)6] = Fe3[Fe(CN)6] + 3 K + 3 SO4
SO3 + CO2 = CS2 + O2 =>
2 SO3 + CO2 = CS2 + 4 O2
FeCl3(aq) + H3PO4(aq) = HCl + FePO4 =>
FeCl3(aq) + H3PO4(aq) = 3 HCl + FePO4
Ca(s) + ZnSO4(aq) = CaSO4(aq) + Zn(s) =>
Ca(s) + ZnSO4(aq) = CaSO4(aq) + Zn(s)
TiC12H28O4 + H2O = TiO2 + C3H8O =>
TiC12H28O4 + 2 H2O = TiO2 + 4 C3H8O
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Hg(ClO3)2 + AlCl3 = Al(ClO3)3 + HgCl2 =>
3 Hg(ClO3)2 + 2 AlCl3 = 2 Al(ClO3)3 + 3 HgCl2
Fe + NHO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 NHO3 = 2 Fe(NO3)3 + 3 H2
C4H9Cl + NaOCH3 = NaCl + C4H9OCH3 =>
C4H9Cl + NaOCH3 = NaCl + C4H9OCH3
Fe3OO4 + H2 = Fe + H2O =>
Fe3OO4 + 5 H2 = 3 Fe + 5 H2O
Fe2(SO3)3 + HCl = SO2 + H2O + FeCl3 =>
Fe2(SO3)3 + 6 HCl = 3 SO2 + 3 H2O + 2 FeCl3
Cu3O + C = Cu + CO =>
Cu3O + C = 3 Cu + CO
PbCO2 = PbC + O =>
PbCO2 = PbC + 2 O
NaHSO3 + H2SO4 = Na2SO4 + SO2 + H2O =>
2 NaHSO3 + H2SO4 = Na2SO4 + 2 SO2 + 2 H2O
K2CO3 + H2S = K2S + CO2 + H2O =>
K2CO3 + H2S = K2S + CO2 + H2O
Cu2S + CH4 = H2S + Cu + CS2 =>
4 Cu2S + CH4 = 2 H2S + 8 Cu + CS2
HC2H3O2(aq) + NaHSO3(aq) = H2O + CO2 + NaSO2 =>
HC2H3O2(aq) + 8 NaHSO3(aq) = 6 H2O + 2 CO2 + 8 NaSO2
OH + (NH4)2SO4 = NH3 + H2O + SO4 =>
2 OH + (NH4)2SO4 = 2 NH3 + 2 H2O + SO4
LiF + Pb = PbF4 + Li =>
4 LiF + Pb = PbF4 + 4 Li
S + H2SO4 = SO2 + H2O = =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
KMnO4 + K2S + H2O = MnO2 + S2 + KOH =>
4 KMnO4 + 6 K2S + 8 H2O = 4 MnO2 + 3 S2 + 16 KOH
BaCl2 + (NH4)2C2O4 = BaC2 + (NH4)Cl + O4 =>
BaCl2 + (NH4)2C2O4 = BaC2 + 2(NH4)Cl + O4
(NH4)2CO3(aq) + Ca(NO3)2(aq) = NH4NO3(aq) + CaCO3(aq) =>
(NH4)2CO3(aq) + Ca(NO3)2(aq) = 2 NH4NO3(aq) + CaCO3(aq)
H2O + CaI2 = CaO + HI =>
H2O + CaI2 = CaO + 2 HI
CH2OH{-}CH2OH + Na = CH2ONa{-}CH2OH + H2 =>
2 CH2OH{-}CH2OH + 2 Na = 2 CH2ONa{-}CH2OH + H2
FePO4 + H = H2O + FePO3 =>
FePO4 + 2 H = H2O + FePO3
CrO4{2-} + Cl{-} + H{+} = Cr{2+} + HClO2 + H2O =>
CrO4{2-} + Cl{-} + 5 H{+} = Cr{2+} + HClO2 + 2 H2O
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