| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + 2 H2O = 2 NaOH + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Hg2Br2(s) = Hg(aq) + Br(aq) =>
Hg2Br2(s) = 2 Hg(aq) + 2 Br(aq)
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Hg2Br2(s) = Hg2{2+}(aq) + Br{-}(aq) =>
Hg2Br2(s) = Hg2{2+}(aq) + 2 Br{-}(aq)
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Na2SO3 + HCl = NaCl + H2O + SO2 =>
Na2SO3 + 2 HCl = 2 NaCl + H2O + SO2
K2Cr2O7 + HI + HClO4 = Cr(ClO4)3 + I2 + KClO4 + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 Cr(ClO4)3 + 3 I2 + 2 KClO4 + 7 H2O
C7H8 + C2H6O2 = C11H20O4 =>
C7H8 + 2 C2H6O2 = C11H20O4
Na2SO4 + C = CO2 + Na2S =>
Na2SO4 + 2 C = 2 CO2 + Na2S
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
HCl + Cu = CuCl2 + H2 =>
2 HCl + Cu = CuCl2 + H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
C11H20O4 + NH3 = C11H29N3O4 =>
C11H20O4 + 3 NH3 = C11H29N3O4
CrCl3 + KClO3 + KOH = K2CrO4 + KCl + H2O =>
2 CrCl3 + KClO3 + 10 KOH = 2 K2CrO4 + 7 KCl + 5 H2O
F2 + AlBr3 = Br3 + AlF3 =>
3 F2 + 2 AlBr3 = 2 Br3 + 2 AlF3
C11H20O4 + NH3 = C11H23N3O + H2O =>
C11H20O4 + 3 NH3 = C11H23N3O + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
F2 + AlBr3 = Br2 + AlF3 =>
3 F2 + 2 AlBr3 = 3 Br2 + 2 AlF3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Ba(OH)2 + ZnCO3 = Ba[Zn(OH)2]CO3 =>
Ba(OH)2 + ZnCO3 = Ba[Zn(OH)2]CO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
K2SO3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 =>
5 K2SO3 + 2 KMnO4 + 3 H2SO4 = 3 H2O + 6 K2SO4 + 2 MnSO4
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
Pb(ClO3)2 + NaI = PbI2 + Na + (ClO3) =>
Pb(ClO3)2 + 2 NaI = PbI2 + 2 Na + 2(ClO3)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
Al + NaO + H2O = NaAlO2 + H2 =>
Al + NaO + H2O = NaAlO2 + H2
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
PbCrO4 + KI + HCl = PbCl2 + KCl + CrCl3 + I2 + H2O =>
2 PbCrO4 + 6 KI + 16 HCl = 2 PbCl2 + 6 KCl + 2 CrCl3 + 3 I2 + 8 H2O
CH3((CH2)4)CH3 + O2 = CO2 + H2O =>
2 CH3((CH2)4)CH3 + 19 O2 = 12 CO2 + 14 H2O
PbCrO4 + KI + HCl = PbCl2 + KCl + CrCl3 + I2 + H2O =>
2 PbCrO4 + 6 KI + 16 HCl = 2 PbCl2 + 6 KCl + 2 CrCl3 + 3 I2 + 8 H2O
CH3(CH2)4CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3 + 19 O2 = 12 CO2 + 14 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
FeSO4 + HBrO + H2SO4 = Fe2(SO4)3 + FeBr + H2O =>
8 FeSO4 + 2 HBrO + H2SO4 = 3 Fe2(SO4)3 + 2 FeBr + 2 H2O
FeSO4 + HBrO + H2SO4 = Fe2(SO4)3 + FeBr3 + H2O =>
12 FeSO4 + 6 HBrO + 3 H2SO4 = 5 Fe2(SO4)3 + 2 FeBr3 + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/28/11
Équations équilibrées sur04/27/10
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