| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe(s) + 6 HCl(ac) = 2 FeCl3(l) + 3 H2(g)
BaO + SiO2 = BaSi + O =>
BaO + SiO2 = BaSi + 3 O
(Na2MoO4*2H2O) + (BaCl2*2H2O) = BaMoO4 + NaCl + H2O =>
(Na2MoO4*2H2O) + (BaCl2*2H2O) = BaMoO4 + 2 NaCl + 4 H2O
(NH4)6Mo7O24 + H2S + HCl = Mo5O14 + NH4Cl + S + H2O =>
5(NH4)6Mo7O24 + 7 H2S + 30 HCl = 7 Mo5O14 + 30 NH4Cl + 7 S + 22 H2O
C6H14 + H2SO4 = C6H16SO4 =>
C6H14 + H2SO4 = C6H16SO4
Zn(NO3)2 + Na2O = ZnO + NaNO3 =>
Zn(NO3)2 + Na2O = ZnO + 2 NaNO3
NaOH + C6H5COONa = Na2CO3 + C6H6 =>
NaOH + C6H5COONa = Na2CO3 + C6H6
CO3{-2} + HNO3 = HCO3{-2} + NO3 =>
CO3{-2} + HNO3 = HCO3{-2} + NO3
Ni(NO3)2 + Al(NO3)3 + CH4N2O = NiAl2O4 + H2O + CO2 + N2 =>
3 Ni(NO3)2 + 6 Al(NO3)3 + 20 CH4N2O = 3 NiAl2O4 + 40 H2O + 20 CO2 + 32 N2
H[CuCl2] + NaOH = Cu2O + NaCl + H2O =>
2 H[CuCl2] + 4 NaOH = Cu2O + 4 NaCl + 3 H2O
CaO + Mg(OH)2 = MgO + Ca(OH)2 =>
CaO + Mg(OH)2 = MgO + Ca(OH)2
CuCl2 + Li = Cu + LiCl =>
CuCl2 + 2 Li = Cu + 2 LiCl
Ni3(AsO4)2 + HNO3 = Ni(NO3)2 + As2O5 + H2O =>
Ni3(AsO4)2 + 6 HNO3 = 3 Ni(NO3)2 + As2O5 + 3 H2O
ZrO(NO3)2*6H2O = ZrO2 + H2O + O2 + N2 =>
2 ZrO(NO3)2*6H2O = 2 ZrO2 + 12 H2O + 5 O2 + 2 N2
Au + HCI = AuCI + H =>
Au + HCI = AuCI + H
FeCl2 + Na2Cr2O7 + HCl = FeCl3 + NaCl + CrCl3 + H2O =>
6 FeCl2 + Na2Cr2O7 + 14 HCl = 6 FeCl3 + 2 NaCl + 2 CrCl3 + 7 H2O
KClO4 + NH4Cl = KCl + N2 + HCl + H2O =>
3 KClO4 + 8 NH4Cl = 3 KCl + 4 N2 + 8 HCl + 12 H2O
Na2CO3 + (Ca(HCO3)2) = CaCO3 + Na2(HCO3)2 =>
Na2CO3 + (Ca(HCO3)2) = CaCO3 + Na2(HCO3)2
FeSO4 + KIO3 + H2SO4 = Fe(SO4)3 + KI + H2O =>
3 FeSO4 + 2 KIO3 + 6 H2SO4 = 3 Fe(SO4)3 + 2 KI + 6 H2O
CaCl2 + KI = Ca + I2 + KCl =>
CaCl2 + 2 KI = Ca + I2 + 2 KCl
Ca + HC2H3O2 = Ca(C2H3O2)2 + H =>
Ca + 2 HC2H3O2 = Ca(C2H3O2)2 + 2 H
Ca(HCO3)2 + FeCl3 = Fe2(CO3)3 + CaCl2 + CO2 + H2O =>
3 Ca(HCO3)2 + 2 FeCl3 = Fe2(CO3)3 + 3 CaCl2 + 3 CO2 + 3 H2O
CaCl3 + MgPO4 = CaPO4 + MgCl3 =>
CaCl3 + MgPO4 = CaPO4 + MgCl3
CH3COOH + HCl = CH3COOCl + H2 =>
CH3COOH + HCl = CH3COOCl + H2
Pb(ClO4)2 + (NH4)2SO4 = PbSO4 + NH4ClO4 =>
Pb(ClO4)2 + (NH4)2SO4 = PbSO4 + 2 NH4ClO4
CH3CH2CH2CH2NH2 + O2 = CO2 + H2O + NO2 =>
4 CH3CH2CH2CH2NH2 + 31 O2 = 16 CO2 + 22 H2O + 4 NO2
K2 + O2 + Cr2 = K2Cr2O7 =>
2 K2 + 7 O2 + 2 Cr2 = 2 K2Cr2O7
MgS(aq) + HNO3 = H2S(g) + Mg(NO3)2(s) =>
MgS(aq) + 2 HNO3 = H2S(g) + Mg(NO3)2(s)
K2HgI4 + NH3 + KOH = Hg2I3NH2 + H2O + KI =>
2 K2HgI4 + NH3 + KOH = Hg2I3NH2 + H2O + 5 KI
HI2 + Cl2 = H2Cl + I =>
4 HI2 + Cl2 = 2 H2Cl + 8 I
Sn(OH)4 + Al(NO3)3 = Sn3Al4 + OHNO3 =>
3 Sn(OH)4 + 4 Al(NO3)3 = Sn3Al4 + 12 OHNO3
NiTeO4 + H2TeO4 + KMnO4 = Ni2(TeO4)3 + MnTeO4 + K2TeO4 + H2O =>
10 NiTeO4 + 8 H2TeO4 + 2 KMnO4 = 5 Ni2(TeO4)3 + 2 MnTeO4 + K2TeO4 + 8 H2O
Na2SO3 + Na2S + H2O = S + NaOH =>
Na2SO3 + 2 Na2S + 3 H2O = 3 S + 6 NaOH
HClHCl + Ca(OH)2Ca(OH)2 = CaCl2CaCl2 + H2O =>
2 HClHCl + Ca(OH)2Ca(OH)2 = CaCl2CaCl2 + 4 H2O
Li(s) + N2F4(g) = LiF(s) + Li3N(s) =>
10 Li(s) + N2F4(g) = 4 LiF(s) + 2 Li3N(s)
NCl5 = N + Cl2 =>
2 NCl5 = 2 N + 5 Cl2
CsOH(aq) + H2SO4(aq) = CsSO4(l) + H2OH(aq) =>
CsOH(aq) + H2SO4(aq) = CsSO4(l) + H2OH(aq)
NH3(g) + O2(g) + CH4(g) = HCN + H2O =>
2 NH3(g) + 3 O2(g) + 2 CH4(g) = 2 HCN + 6 H2O
CH3CH2COOH + NaHCO3 = CH3CH2COONa + H2O + CO2 =>
CH3CH2COOH + NaHCO3 = CH3CH2COONa + H2O + CO2
SiH2Cl2 + H2O + ZnCl2 = SiCl4 + ZnO + H2 =>
SiH2Cl2 + H2O + ZnCl2 = SiCl4 + ZnO + 2 H2
NH4Cl + HCHO = C6H12N4 + H2O + HCl =>
4 NH4Cl + 6 HCHO = C6H12N4 + 6 H2O + 4 HCl
SnCl2 + Fe3As2 = FeCl2 + Sn3As2 =>
3 SnCl2 + Fe3As2 = 3 FeCl2 + Sn3As2
H4SiO4 + Mg(OH)2 = Mg4(SiO4)2 + H2O =>
2 H4SiO4 + 4 Mg(OH)2 = Mg4(SiO4)2 + 8 H2O
Zn + H2SO4 + KMnO4 = ZnSO4 + K2SO4 + Mn(SO4) + H2O =>
5 Zn + 8 H2SO4 + 2 KMnO4 = 5 ZnSO4 + K2SO4 + 2 Mn(SO4) + 8 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2O2 + NaOH = NaO2 + H2 =>
H2O2 + 2 NaOH = 2 NaO2 + 2 H2
CH3CH2CH2OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
10 CH3CH2CH2OH + 12 KMnO4 + 18 H2SO4 = 15 CH3COOH + 12 MnSO4 + 6 K2SO4 + 28 H2O
*4C + *6H2 + *O2 = *2C2H6O =>
*4C + *6H2 + *O2 = *2C2H6O
Na2CO3 + Sr(OH)2 = SrCO3 + NaOH =>
Na2CO3 + Sr(OH)2 = SrCO3 + 2 NaOH
Sn(s) + AgNO3(aq) = Ag(s) + Sn(NO3)2(aq) =>
Sn(s) + 2 AgNO3(aq) = 2 Ag(s) + Sn(NO3)2(aq)
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Équations équilibrées sur04/21/25
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