| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2O2 + 2 I{-} + 2 H{+} = 2 H2O + I2
Hg2{+} + Cu = Hg + Cu2{+} =>
Hg2{+} + 2 Cu = 2 Hg + Cu2{+}
TiO2 + H2O = Ti2(OH)2 + O2 =>
4 TiO2 + 2 H2O = 2 Ti2(OH)2 + 3 O2
Ag2SO4 + ZnO = Ag2O + ZnSO4 =>
Ag2SO4 + ZnO = Ag2O + ZnSO4
AgNO + CoCl = AgCl + CoNO =>
AgNO + CoCl = AgCl + CoNO
C18H36O2 + KMnO4 + H2SO4 = C18H36COOH + H2O + K2SO4 + MnSO4 =>
95 C18H36O2 + 14 KMnO4 + 21 H2SO4 = 90 C18H36COOH + 66 H2O + 7 K2SO4 + 14 MnSO4
ICl + H2O = Cl{-} + IO3{-} + }+I2+H{ + } =>
5 ICl + 3 H2O = 5 Cl{-} + IO3{-} + }+2I2+6H{ + }
Mn(OH)2 + *Na2CO3 + *NH4F = *NaMnF3 + *H2O + *CO2 + *NH3 =>
2 Mn(OH)2 + *Na2CO3 + 6*NH4F = 2*NaMnF3 + 5*H2O + *CO2 + 6*NH3
CaCO3 + HBr = CaBr2 + CO3Br + H2 =>
2 CaCO3 + 6 HBr = 2 CaBr2 + 2 CO3Br + 3 H2
H2O(aq) + NaO(s) = O2(g) + NaOH(aq) =>
2 H2O(aq) + 4 NaO(s) = O2(g) + 4 NaOH(aq)
MgSO4 + HBr = MgBr2 + H2SO4 =>
MgSO4 + 2 HBr = MgBr2 + H2SO4
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Ni(NO3)2*6H2O + Fe(NO3)3*9H2O + C3H8O2 = NiFe2O4 + NO2 + H2O + CO2 =>
2 Ni(NO3)2*6H2O + 4 Fe(NO3)3*9H2O + C3H8O2 = 2 NiFe2O4 + 16 NO2 + 52 H2O + 3 CO2
BaCrO4 + FeSO4 + H2SO4 = BaSO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
2 BaCrO4 + 6 FeSO4 + 8 H2SO4 = 2 BaSO4 + Cr2(SO4)3 + 3 Fe2(SO4)3 + 8 H2O
Ce(OH)2 = CeO2 + H2 =>
Ce(OH)2 = CeO2 + H2
HNO3(aq) + Ca(OH)2(aw) = H2O(l) + Ca(NO3)2(aq) =>
2 HNO3(aq) + Ca(OH)2(aw) = 2 H2O(l) + Ca(NO3)2(aq)
Ba(NO3)2(aq) + Na2CO3(aq) = Ba(CO3)(s) + Na(NO3)(aq) =>
Ba(NO3)2(aq) + Na2CO3(aq) = Ba(CO3)(s) + 2 Na(NO3)(aq)
H3O3 = H + O3 =>
H3O3 = 3 H + O3
Ni2O3 + C = NiO + CO2 =>
2 Ni2O3 + C = 4 NiO + CO2
Fe + Li2O = FeO + Li =>
Fe + Li2O = FeO + 2 Li
Cr(OH)3 + Na3PO4 = CrPO4 + NaOH =>
Cr(OH)3 + Na3PO4 = CrPO4 + 3 NaOH
(NH4)3(PO4) + Ca(OH)2 = Ca3(PO4)2 + NH3 + H2O =>
2(NH4)3(PO4) + 3 Ca(OH)2 = Ca3(PO4)2 + 6 NH3 + 6 H2O
CuSO4 + NH3*H2O = (CuOH)2SO4 + (NH4)2SO4 =>
2 CuSO4 + 2 NH3*H2O = (CuOH)2SO4 + (NH4)2SO4
Cu3(PO4)2 + CH3COOH = (CH3COO)2Cu + Cu(H2PO4)2 =>
Cu3(PO4)2 + 4 CH3COOH = 2(CH3COO)2Cu + Cu(H2PO4)2
Si + Gd + B = Gd2B36Si9 =>
9 Si + 2 Gd + 36 B = Gd2B36Si9
FeS(s) + O2(g) + H2O(l) = Fe2O3(s) + H2SO4(aq) =>
4 FeS(s) + 9 O2(g) + 4 H2O(l) = 2 Fe2O3(s) + 4 H2SO4(aq)
CH3CH2CH2CH3CH3 + Cl2 = CCl3CCl2CCl2Cl3Cl3 + HCl =>
3 CH3CH2CH2CH3CH3 + 52 Cl2 = 5 CCl3CCl2CCl2Cl3Cl3 + 39 HCl
Pb(NO3)2 + NaI = (PbI2) + NaNO3 =>
Pb(NO3)2 + 2 NaI = (PbI2) + 2 NaNO3
Na2SO4 + Br2Cl2 = NaCl + Br2SO4 =>
Na2SO4 + Br2Cl2 = 2 NaCl + Br2SO4
C2H6OO + O2 = H2O + C2H4O2 =>
2 C2H6OO + O2 = 2 H2O + 2 C2H4O2
CuO + SiO2 = CuOSiO2 =>
CuO + SiO2 = CuOSiO2
Hg + Fe3{+} = Hg2{+} + Fe =>
2 Hg + Fe3{+} = Hg2{+} + 3 Fe
H2CO + Ag2O = CO2 + H2O + Ag =>
H2CO + 2 Ag2O = CO2 + H2O + 4 Ag
Na2CO3(s) + HCl = NaCl(aq) + CO2(g) + H2O(l) =>
Na2CO3(s) + 2 HCl = 2 NaCl(aq) + CO2(g) + H2O(l)
CaCl2 + Br2 = CaBr2 + Cl2 =>
CaCl2 + Br2 = CaBr2 + Cl2
CuSO4 + NH3 + H2O = CuSO4(OH)2 + NH4 =>
CuSO4 + 2 NH3 + 2 H2O = CuSO4(OH)2 + 2 NH4
K2Cr2O7 + Pb(NO3)2 + H2O = PbCrO4 + KNO3 + H2Cr2O7 =>
2 K2Cr2O7 + 2 Pb(NO3)2 + H2O = 2 PbCrO4 + 4 KNO3 + H2Cr2O7
Fe(III)Cl2 + NH4OH = Fe(III)OH + NH4Cl2 =>
Fe(III)Cl2 + NH4OH = Fe(III)OH + NH4Cl2
SO3 + Zn(OH)2 = ZnSO3 + OH =>
SO3 + Zn(OH)2 = ZnSO3 + 2 OH
NaNO3 + H2SO4(aq) = Na2SO4(aq) + HNO3(aq) =>
2 NaNO3 + H2SO4(aq) = Na2SO4(aq) + 2 HNO3(aq)
Ba(CH3COO) + NaOH = Ba(OH) + NaCH3COO =>
Ba(CH3COO) + NaOH = Ba(OH) + NaCH3COO
Na2SeO3 + NaBrO3 + H2SO4 = Na2SeO4 + Br2 + Na2SO4 + H2O =>
5 Na2SeO3 + 2 NaBrO3 + H2SO4 = 5 Na2SeO4 + Br2 + Na2SO4 + H2O
Ag2O + H2 = Ag + H2O =>
Ag2O + H2 = 2 Ag + H2O
Pb{2+} + KI = PbI2 + K{+} =>
Pb{2+} + 2 KI = PbI2 + 2 K{+}
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C18H36O2 + KMnO4 + H2SO4 = C18H36COOH + H2O + K2SO4 + MnSO4 =>
95 C18H36O2 + 14 KMnO4 + 21 H2SO4 = 90 C18H36COOH + 66 H2O + 7 K2SO4 + 14 MnSO4
MgN + CaCl = MgCl + CaN =>
MgN + CaCl = MgCl + CaN
CoSO4 + Bi = Bi(SO4)3 + Co =>
3 CoSO4 + Bi = Bi(SO4)3 + 3 Co
Zn(s) + CH3COOH(ag) = Zn(CH3COO)2(ag) + H2(g) =>
Zn(s) + 2 CH3COOH(ag) = Zn(CH3COO)2(ag) + H2(g)
(NH3)2PdCl2 = Pd + NH4Cl + HCl + N2 =>
3(NH3)2PdCl2 = 3 Pd + 4 NH4Cl + 2 HCl + N2
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Équations équilibrées sur04/21/25
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