| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + 3 H2SO4 = (Al2(SO4)3) + 3 H2
C6H8O7(aq) + NaHCO3(aq) = H2O(l) + CO2(g) + C6H5Na3O7(aq) =>
C6H8O7(aq) + 3 NaHCO3(aq) = 3 H2O(l) + 3 CO2(g) + C6H5Na3O7(aq)
C2H5OH + Na2CO3 = C2H6ONa + H2O + CO2 =>
13 C2H5OH + 6 Na2CO3 = 12 C2H6ONa + 3 H2O + 8 CO2
CaS + HBr = CaBr2 + H2S =>
CaS + 2 HBr = CaBr2 + H2S
V + Cl2 = VCl3 =>
2 V + 3 Cl2 = 2 VCl3
AlBr3 + C12 = AlC13 + Br2 =>
12 AlBr3 + 13 C12 = 12 AlC13 + 18 Br2
NaOH + Li2 + CO3 = NaCO3 + Li2OH =>
NaOH + Li2 + CO3 = NaCO3 + Li2OH
[Zn(H2O)4]Cl2 + NH4OH = [Zn(NH3)4]Cl2 + H2O =>
[Zn(H2O)4]Cl2 + 4 NH4OH = [Zn(NH3)4]Cl2 + 8 H2O
HC2H3O2 + (NH4)2CO3 = NH4C2H3O2 + H2O + CO2 =>
2 HC2H3O2 + (NH4)2CO3 = 2 NH4C2H3O2 + H2O + CO2
KNO3 + H2 = KNO2 + H2O =>
KNO3 + H2 = KNO2 + H2O
Cl + NH4OH = NH4Cl + H2O + N2 =>
6 Cl + 8 NH4OH = 6 NH4Cl + 8 H2O + N2
NaCl + Hg(C2H3O2)2 = Na(C2H3O2) + HgCl2 =>
2 NaCl + Hg(C2H3O2)2 = 2 Na(C2H3O2) + HgCl2
MgCO3 + NHO3 = Mg(NO3)2 + CO2 + H2O =>
MgCO3 + 2 NHO3 = Mg(NO3)2 + CO2 + H2O
NO2 + CO = N2 + CO2 =>
2 NO2 + 4 CO = N2 + 4 CO2
MgCl2(s) + K3PO4(aq) = KCl(aq) + Mg3(PO4)2 =>
3 MgCl2(s) + 2 K3PO4(aq) = 6 KCl(aq) + Mg3(PO4)2
K3[Fe(CN)6] + H2O2 + NaOH = Na4[Fe(CN)6]H2O + O2 + KOH =>
2 K3[Fe(CN)6] + H2O2 + 8 NaOH = 2 Na4[Fe(CN)6]H2O + O2 + 6 KOH
O(g) + N(g) = ON =>
O(g) + N(g) = ON
NaOCl + H2O2 = O2 + HCl + NaO =>
2 NaOCl + H2O2 = O2 + 2 HCl + 2 NaO
HNO3 + Na2SO3 = H2O + SO2 + NaNO3 =>
2 HNO3 + Na2SO3 = H2O + SO2 + 2 NaNO3
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
BrO3{-} + CH2(COOH)2 + H{+} = BrCH(COOH)2 + CO2 + H2O =>
2 BrO3{-} + 3 CH2(COOH)2 + 2 H{+} = 2 BrCH(COOH)2 + 3 CO2 + 4 H2O
Al2O3 + CuSO4 = Al2(SO4)3 + CuO =>
Al2O3 + 3 CuSO4 = Al2(SO4)3 + 3 CuO
NaCl + K3Fe(CN)6 = NaCN + K3FeCl6 =>
6 NaCl + K3Fe(CN)6 = 6 NaCN + K3FeCl6
Na2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + H2O + I2 + K2SO4 + Na2SO4 =>
Na2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 7 H2O + 3 I2 + 3 K2SO4 + Na2SO4
OH + Cu2O = H2O + CuO =>
2 OH + Cu2O = H2O + 2 CuO
Xe + F = XeF4 =>
Xe + 4 F = XeF4
(NH4)2SiO3 + H2O = NH3*H2O + H2SiO3 =>
(NH4)2SiO3 + 2 H2O = 2 NH3*H2O + H2SiO3
SO2 + CuSO4 + H2O = Cu + H2SO4 =>
SO2 + CuSO4 + 2 H2O = Cu + 2 H2SO4
SiC + Fe3O4 = FeO + Fe2SiO4 + CO2 =>
SiC + 4 Fe3O4 = 10 FeO + Fe2SiO4 + CO2
KMnO4 + HBr = Br + KBr + MnBr2 + H2O =>
KMnO4 + 8 HBr = 5 Br + KBr + MnBr2 + 4 H2O
Cr(OH)2 + O2 = Cr2O3 + H2O =>
4 Cr(OH)2 + O2 = 2 Cr2O3 + 4 H2O
C6H12O6 + H2 = CH3CH2COOH + H2O =>
C6H12O6 + 2 H2 = 2 CH3CH2COOH + 2 H2O
(NH4)2 + CO3 = NH3 + CO2 + H2O =>
(NH4)2 + CO3 = 2 NH3 + CO2 + H2O
K3Po4 + H3Po4 = K2HPo4 =>
2 K3Po4 + H3Po4 = 3 K2HPo4
CH3CH2CH2OH + KMnO4 = CH3COOK + MnO2 + KOH + H2O =>
2 CH3CH2CH2OH + 4 KMnO4 = 3 CH3COOK + 4 MnO2 + KOH + 3 H2O
Sn + Cl2 + NaOH = Na2SnO3 + H2O + NaCl =>
Sn + 2 Cl2 + 6 NaOH = Na2SnO3 + 3 H2O + 4 NaCl
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
NaPO4 + AgNO3 = AgPO4 + Na + NO3 =>
NaPO4 + AgNO3 = AgPO4 + Na + NO3
H3PO2 + BiCl3 + H2O = H3PO4 + Bi + HCl =>
3 H3PO2 + 4 BiCl3 + 6 H2O = 3 H3PO4 + 4 Bi + 12 HCl
Na2CO3 + CH3COOH = Na2H + CH3COOCO3 =>
Na2CO3 + CH3COOH = Na2H + CH3COOCO3
HCN + CuSO = H2SO + Cu(CN)2 =>
2 HCN + CuSO = H2SO + Cu(CN)2
NaNO2 + NaI + H2SO4 = I2 + NaHSO4 + H2O + NO =>
2 NaNO2 + 2 NaI + 4 H2SO4 = I2 + 4 NaHSO4 + 2 H2O + 2 NO
KMnO4 + Cu(OH)2 = KOH + Cu(MnO4)2 =>
2 KMnO4 + Cu(OH)2 = 2 KOH + Cu(MnO4)2
NH4OH + Ba = Ba(OH)2 + NH4 =>
2 NH4OH + Ba = Ba(OH)2 + 2 NH4
C5H6O(l) + O2 = CO2(g) + H2O(l) =>
C5H6O(l) + 6 O2 = 5 CO2(g) + 3 H2O(l)
H3Fe(CN)6 + KOH = H2O + K3Fe(CN)6 =>
H3Fe(CN)6 + 3 KOH = 3 H2O + K3Fe(CN)6
Al{3+} + Ca = Ca{2+} + Al =>
2 Al{3+} + 3 Ca = 3 Ca{2+} + 2 Al
FeSO4 + NaNO2 + H2SO4 = Fe(SO4)3 + Na2SO4 + H2O + NO =>
FeSO4 + 4 NaNO2 + 4 H2SO4 = Fe(SO4)3 + 2 Na2SO4 + 4 H2O + 4 NO
HNCO + NO = N2 + CO2 + H2O =>
4 HNCO + 6 NO = 5 N2 + 4 CO2 + 2 H2O
Ca(s) + F2(g) = CaF2(s) =>
Ca(s) + F2(g) = CaF2(s)
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Équations équilibrées sur11/27/24
Équations équilibrées sur12/27/23
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