| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2Cl4 + 16 H2O + 4 NaC3H5O3 = 4 NaCl + 14 CO2 + 26 H2
FeCe3 + KOH = Fe(OH)3 + KCe =>
FeCe3 + 3 KOH = Fe(OH)3 + 3 KCe
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
CrK2O4 + C2H6O + HCl = CO2 + H2O + KCl + CrCl3 =>
4 CrK2O4 + C2H6O + 20 HCl = 2 CO2 + 13 H2O + 8 KCl + 4 CrCl3
Ce(OH)4 + NaOH = Na[Ce(OH)5] =>
Ce(OH)4 + NaOH = Na[Ce(OH)5]
TiCl4(s) + H2O(g) = Ti2O4(s) + HCl(g) =>
2 TiCl4(s) + 4 H2O(g) = Ti2O4(s) + 8 HCl(g)
FeSO4 + KMnO4 + H2SO4 = Mn(SO4) + K2SO4 + Fe2(SO4)3 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 2 Mn(SO4) + K2SO4 + 5 Fe2(SO4)3 + 8 H2O
C6H5NH2 + NaNO2 + HCl = C6H5N2{+} + Cl{-} + H2O + NaCl =>
C6H5NH2 + NaNO2 + 2 HCl = C6H5N2{+} + Cl{-} + 2 H2O + NaCl
Fe2O3 + K3N = K2O + FeN =>
Fe2O3 + 2 K3N = 3 K2O + 2 FeN
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Mg + K3N = Mg3N2 + K =>
3 Mg + 2 K3N = Mg3N2 + 6 K
Fe(OH)3 + NH4OH = [Fe(NH3)6](OH)3 + H2O =>
Fe(OH)3 + 6 NH4OH = [Fe(NH3)6](OH)3 + 6 H2O
Zn(NO3)2 + CuSO3 = ZnSO3 + Cu(NO3)2 =>
Zn(NO3)2 + CuSO3 = ZnSO3 + Cu(NO3)2
NH4HCO3 + Ba = BaCO3 + NH3 + H2 =>
NH4HCO3 + Ba = BaCO3 + NH3 + H2
MnSO4 + NaOH + Br2 = H2O + Na2MnO4 + Na2SO4 + NaBr =>
MnSO4 + 8 NaOH + 2 Br2 = 4 H2O + Na2MnO4 + Na2SO4 + 4 NaBr
Cr2O3 + CO2 = Cr2(CO3)3 =>
Cr2O3 + 3 CO2 = Cr2(CO3)3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CO(NO3)2(aq) + H2S(g) = COS(s) + HNO3(aq) =>
CO(NO3)2(aq) + H2S(g) = COS(s) + 2 HNO3(aq)
BaCl2 + Li2SO3 = BaSO3 + LiCl =>
BaCl2 + Li2SO3 = BaSO3 + 2 LiCl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
FeCl3 + CH3COONa = Fe(CH3COO)3 + NaCl =>
FeCl3 + 3 CH3COONa = Fe(CH3COO)3 + 3 NaCl
Ca + (HCO3)2 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
Ca + (HCO3)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O + 2 CO2
Cr2O7 + S2O3 = Cr + SO4 =>
5 Cr2O7 + 7 S2O3 = 10 Cr + 14 SO4
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = CH3CH2COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3CH2COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
Cu + CO3 = CuCO3 =>
Cu + CO3 = CuCO3
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
CuO + HCN = Cu(CN)2 + H2O =>
CuO + 2 HCN = Cu(CN)2 + H2O
NH2CH2COOH + NH2CH2CH2COOH = H2O + NH2CH2CONHCH(CH3)COOH =>
NH2CH2COOH + NH2CH2CH2COOH = H2O + NH2CH2CONHCH(CH3)COOH
MnO4K + KCl + H2SO4 = MnSO4 + Cl2 + K2SO4 + H2O =>
2 MnO4K + 10 KCl + 8 H2SO4 = 2 MnSO4 + 5 Cl2 + 6 K2SO4 + 8 H2O
Al2(SO4)3 + FeBr2 = AlBr3 + Fe(SO4) =>
Al2(SO4)3 + 3 FeBr2 = 2 AlBr3 + 3 Fe(SO4)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH3Br + I2 = CH3I + Br2 =>
2 CH3Br + I2 = 2 CH3I + Br2
Co(OH)3 + NH4OH = [Co(NH3)6](OH)3 + H2O =>
Co(OH)3 + 6 NH4OH = [Co(NH3)6](OH)3 + 6 H2O
Al2S3 + RbI = AlI3 + Rb2S =>
Al2S3 + 6 RbI = 2 AlI3 + 3 Rb2S
Ag + NO2 = AgNO2 =>
Ag + NO2 = AgNO2
CuCl2(aq) + Na3PO4(aq) = Cu3(PO4)2(s) + NaCl(aq) =>
3 CuCl2(aq) + 2 Na3PO4(aq) = Cu3(PO4)2(s) + 6 NaCl(aq)
As2S3 + NH3 + H2O = (NH4)3AsO3 + (NH4)3AsS3 =>
As2S3 + 6 NH3 + 3 H2O = (NH4)3AsO3 + (NH4)3AsS3
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
MgO + V2O5 = VMgO + O2 =>
4 MgO + 2 V2O5 = 4 VMgO + 5 O2
Pb(NO3)2(s) = NO2(g) + O2 + PbO(s) =>
2 Pb(NO3)2(s) = 4 NO2(g) + O2 + 2 PbO(s)
I + Li3N = LiI + N2 =>
6 I + 2 Li3N = 6 LiI + N2
Pb(NO3)2(aq) + Na2CO3(aq) = Pb(CO3)(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2CO3(aq) = Pb(CO3)(s) + 2 NaNO3(aq)
(Cr(OH)2)3AsO4 + HNO3 = Cr(NO3)3 + As2O5 + H2O =>
2(Cr(OH)2)3AsO4 + 18 HNO3 = 6 Cr(NO3)3 + As2O5 + 15 H2O
Cu(CH3COO)2 + NaHSO4 = Na2SO4 + CH3COOH + CuSO4 =>
Cu(CH3COO)2 + 2 NaHSO4 = Na2SO4 + 2 CH3COOH + CuSO4
KBF4 + Na = KF + NaF + B =>
KBF4 + 3 Na = KF + 3 NaF + B
CuO + (NH4)SO4 = CuSO4 + NH4O =>
CuO + (NH4)SO4 = CuSO4 + NH4O
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Équations équilibrées sur11/03/24
Équations équilibrées sur12/03/23
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