| Équations équilibrées la veille | Équations équilibrées le lendemain |
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
H2SO4(ag) + Fe(s) = FeSO4(s) + H2(g) =>
H2SO4(ag) + Fe(s) = FeSO4(s) + H2(g)
Sb2S3 + HCl = SbCl3 + H2S =>
Sb2S3 + 6 HCl = 2 SbCl3 + 3 H2S
NaOH + KNO3 = KOH + NaNO3 =>
NaOH + KNO3 = KOH + NaNO3
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Si + NaOH + H2O = Na2SiO3 + H2 =>
Si + 2 NaOH + H2O = Na2SiO3 + 2 H2
H + O2 = H2O =>
4 H + O2 = 2 H2O
HS + NaOH = NaS + H2O =>
HS + NaOH = NaS + H2O
HBrO + OH = BrO + H2O =>
HBrO + OH = BrO + H2O
KO2 + H20 = O2 + KOH =>
20 KO2 + H20 = 10 O2 + 20 KOH
C6H5Cl + NaOH = C6H5OH + NaCl =>
C6H5Cl + NaOH = C6H5OH + NaCl
Bi(NO3)3 + KOH = KNO3 + Bi(OH)3 =>
Bi(NO3)3 + 3 KOH = 3 KNO3 + Bi(OH)3
Ba(NO3)2 + (NH4)2C2O4 = BaC2O4 + NH4(NO3) =>
Ba(NO3)2 + (NH4)2C2O4 = BaC2O4 + 2 NH4(NO3)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HC2H3O2(aq) + NaHCO3(s) = CO2(g) + H2O + NaC2H3O2(aq) =>
HC2H3O2(aq) + NaHCO3(s) = CO2(g) + H2O + NaC2H3O2(aq)
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
H2C2O4 + NaOH = H2O + Na2C2O4 =>
H2C2O4 + 2 NaOH = 2 H2O + Na2C2O4
CaCl2 + Na2CO3 = NaCl + CaCO3 =>
CaCl2 + Na2CO3 = 2 NaCl + CaCO3
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
KBr + BaI2 = KI + BaBr2 =>
2 KBr + BaI2 = 2 KI + BaBr2
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Cu2S + O2 = Cu2OSO2 =>
2 Cu2S + 3 O2 = 2 Cu2OSO2
(NH4)3AsO4 + LiOH = Li3AsO4 + NH3 + H2O =>
(NH4)3AsO4 + 3 LiOH = Li3AsO4 + 3 NH3 + 3 H2O
Cu2S + O2 = Cu2O + SO =>
Cu2S + O2 = Cu2O + SO
MnO2 + HCl = Cl + MnCl2 + H2O =>
MnO2 + 4 HCl = 2 Cl + MnCl2 + 2 H2O
Fe + H2O = H2 + Fe2O3 =>
2 Fe + 3 H2O = 3 H2 + Fe2O3
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
HCHO + Cu(OH)2 + NaOH = HCOONa + Cu2O + H2O =>
HCHO + 2 Cu(OH)2 + NaOH = HCOONa + Cu2O + 3 H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
KCN(aq) + HBr(aq) = KBr(aq) + HCN(aq) =>
KCN(aq) + HBr(aq) = KBr(aq) + HCN(aq)
H3PO4 + MgCO3 = Mg3(PO4)2 + CO2 + H2O =>
2 H3PO4 + 3 MgCO3 = Mg3(PO4)2 + 3 CO2 + 3 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
H2SO4 + Cu = SO2 + CuSO4 + H2O =>
2 H2SO4 + Cu = SO2 + CuSO4 + 2 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
HaOH(ag) + CuSO4(s) = Ha2SO4(ag) + Cu(OH)2(s) =>
2 HaOH(ag) + CuSO4(s) = Ha2SO4(ag) + Cu(OH)2(s)
Cl2 + KBr = Br2 + KCl =>
Cl2 + 2 KBr = Br2 + 2 KCl
HF(aq) + Ba(OH)2(aq) = BaF2 + H2O =>
2 HF(aq) + Ba(OH)2(aq) = BaF2 + 2 H2O
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
Ni(OH)2 + (NH4)OH = [Ni(NH3)6](OH)2 + H2O =>
Ni(OH)2 + 6(NH4)OH = [Ni(NH3)6](OH)2 + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/08/19
Équations équilibrées sur03/10/18
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