| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 HI + K2(Cr2O7) + 8 HClO4 = 3 I2 + 2 KClO4 + 2 Cr(ClO4)3 + 7 H2O
CH3CH3CH2OH + O2 = CO2 + H2O =>
4 CH3CH3CH2OH + 19 O2 = 12 CO2 + 18 H2O
Zn + K2Cr2O7 = ZnCr2O7 + K =>
Zn + K2Cr2O7 = ZnCr2O7 + 2 K
FeCl3 + NH4NO3 = Fe(NO3)3 + NH3 + HCl =>
FeCl3 + 3 NH4NO3 = Fe(NO3)3 + 3 NH3 + 3 HCl
Hg(s) + S(s) = HgS =>
Hg(s) + S(s) = HgS
C8H19 + O2 = CO3 + H2O =>
4 C8H19 + 67 O2 = 32 CO3 + 38 H2O
(NH4)2SO4 + KOH = K2SO4 + NH4OH =>
(NH4)2SO4 + 2 KOH = K2SO4 + 2 NH4OH
K2(Zn(OH)4) + CO2 = K2CO3 + Zn(OH)2 + H2O =>
K2(Zn(OH)4) + CO2 = K2CO3 + Zn(OH)2 + H2O
FeO + CrO3 = FeCrO4 =>
FeO + CrO3 = FeCrO4
Al + CoPO4 = Co + AlPO4 =>
Al + CoPO4 = Co + AlPO4
C20H2 + O2 = CO2 + H2O =>
2 C20H2 + 41 O2 = 40 CO2 + 2 H2O
Cu + K2CrO4 = CuCrO4 + K2 =>
Cu + K2CrO4 = CuCrO4 + K2
H2 + F2 = HF =>
H2 + F2 = 2 HF
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
CH3OH + CuO = HCHO + H2O + Cu =>
CH3OH + CuO = HCHO + H2O + Cu
Pb + LiOH = Li2PbO2 + H2 =>
Pb + 2 LiOH = Li2PbO2 + H2
Li2(SO4) + Mg3(PO4)2 = Li3PO4 + Mg(SO3) + O2 =>
6 Li2(SO4) + 2 Mg3(PO4)2 = 4 Li3PO4 + 6 Mg(SO3) + 3 O2
CH4N2O + NaOCl = CO2 + N2 + H2O + NaCl =>
CH4N2O + 3 NaOCl = CO2 + N2 + 2 H2O + 3 NaCl
K + Fe(OH)3 = K(OH)3 + Fe =>
K + Fe(OH)3 = K(OH)3 + Fe
C3H8O(g) + O2(g) = CO2(g) + H2O(g) =>
2 C3H8O(g) + 9 O2(g) = 6 CO2(g) + 8 H2O(g)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CO3{2-} + H2O + {-} = CH4 + OH{-} =>
CO3{2-} + 7 H2O + 8e = CH4 + 10 OH{-}
NaCl + AgNO3 = (NaCl)AgNO3 =>
NaCl + AgNO3 = (NaCl)AgNO3
C8H20O4Si + H2O = Si(OH)4 + C2H5OH =>
C8H20O4Si + 4 H2O = Si(OH)4 + 4 C2H5OH
Rb2Se = Rb + Se =>
Rb2Se = 2 Rb + Se
Zn + NiCl2 = Zn2Ni3 + Cl =>
2 Zn + 3 NiCl2 = Zn2Ni3 + 6 Cl
K2O + Ca3(PO4)2 = K3(PO4) + CaO =>
3 K2O + Ca3(PO4)2 = 2 K3(PO4) + 3 CaO
Mn + CrCl = Cr + MnCl =>
Mn + CrCl = Cr + MnCl
AgNO3 + NCl = AgCl + NNO3 =>
AgNO3 + NCl = AgCl + NNO3
H2CO3 + Pt(OH)4 = Pt2(CO3)4 + H2O =>
4 H2CO3 + 2 Pt(OH)4 = Pt2(CO3)4 + 8 H2O
ZnS + NaOH = NaS + Zn(OH) =>
ZnS + NaOH = NaS + Zn(OH)
Pb(OH)4 + CuO = PbO2 + Cu(OH)2 =>
Pb(OH)4 + 2 CuO = PbO2 + 2 Cu(OH)2
C4H9OH + Br2 = C4H8Br2 + H2O =>
C4H9OH + Br2 = C4H8Br2 + H2O
MnO4({-}) + CrI2 + H2O = MnO2 + Cr(OH)3 + IO3({-}) + OH({-}) =>
13 MnO4({-}) + 3 CrI2 + 8 H2O = 13 MnO2 + 3 Cr(OH)3 + 6 IO3({-}) + 7 OH({-})
Al + H2O = Al*H2O =>
Al + H2O = Al*H2O
Mg3(PO4)2 + Pb(SO4)2 = MgSO4 + Pb3(PO4)4 =>
2 Mg3(PO4)2 + 3 Pb(SO4)2 = 6 MgSO4 + Pb3(PO4)4
K2Cr2O7 + H2SO4 + KI = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KI = 4 K2SO4 + Cr2(SO4)3 + 3 I2 + 7 H2O
Sc2O3 + NH4HF2 = ScF3 + NH4F + H2O =>
Sc2O3 + 6 NH4HF2 = 2 ScF3 + 6 NH4F + 3 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
H2SO4 + KCN = HCN + K2SO4 =>
H2SO4 + 2 KCN = 2 HCN + K2SO4
HCl(aq) + Pt(s) = PtCl(aq) + H2(g) =>
2 HCl(aq) + 2 Pt(s) = 2 PtCl(aq) + H2(g)
Cd(NO3)2 + K2CO3 = CdCO3 + KNO3 =>
Cd(NO3)2 + K2CO3 = CdCO3 + 2 KNO3
ZnO + H2 = ZnH2 + O =>
ZnO + H2 = ZnH2 + O
NHC3H4S(l) + O2(g) = CO2(g) + H2O(g) + SO2(g) + NO2(g) =>
4 NHC3H4S(l) + 25 O2(g) = 12 CO2(g) + 10 H2O(g) + 4 SO2(g) + 4 NO2(g)
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
FeCO3 + C6H8O7 = CO2 + Fe + H2O =>
9 FeCO3 + C6H8O7 = 15 CO2 + 9 Fe + 4 H2O
NH4Cl(aq) + Ca(OH)2(s) = CaCl2(aq) + NH3(g) + H2O(l) =>
2 NH4Cl(aq) + Ca(OH)2(s) = CaCl2(aq) + 2 NH3(g) + 2 H2O(l)
Pb(NO3)2 + CuOH = Pb(OH)2 + Cu(NO3) =>
Pb(NO3)2 + 2 CuOH = Pb(OH)2 + 2 Cu(NO3)
Na2SO3 + BaCl2 = NaCl + BaSO3 =>
Na2SO3 + BaCl2 = 2 NaCl + BaSO3
PbCO3 + Fe = Fe2(CO3)3 + Pb =>
3 PbCO3 + 2 Fe = Fe2(CO3)3 + 3 Pb
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Équations équilibrées sur10/26/24
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