| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Fe + 3 O2 = 2 Fe2O3
La(NO3)3 + NaOH = La(OH)3 + NaNO3 =>
La(NO3)3 + 3 NaOH = La(OH)3 + 3 NaNO3
C + H2 = C2H6 =>
2 C + 3 H2 = C2H6
FeCo3 + H2Co3 = Fe(HCo3)2 =>
FeCo3 + H2Co3 = Fe(HCo3)2
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
RbBr + AgCl = AgBr + RbCl =>
RbBr + AgCl = AgBr + RbCl
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Zn + CrCl3 = CrCl2 + ZnCl2 =>
Zn + 2 CrCl3 = 2 CrCl2 + ZnCl2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
HfCl3 + Al = HfCl2 + AlCl3 =>
3 HfCl3 + Al = 3 HfCl2 + AlCl3
H3AsO4 = H + H2AsO4 =>
H3AsO4 = H + H2AsO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NH3 + Cl2 = NH4Cl + NCl3 =>
4 NH3 + 3 Cl2 = 3 NH4Cl + NCl3
FeCo3 + H2Co3 = Fe(HCo3)2 =>
FeCo3 + H2Co3 = Fe(HCo3)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
BaCO3 + C + H2O = CO + Ba(OH)2 =>
BaCO3 + C + H2O = 2 CO + Ba(OH)2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
O2 + C4H10 = CO2 + H2O =>
13 O2 + 2 C4H10 = 8 CO2 + 10 H2O
KClO3 + P4 = P4O10 + KCl =>
10 KClO3 + 3 P4 = 3 P4O10 + 10 KCl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
K2CrO4 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
2 K2CrO4 + 3 Na2SO3 + 10 HCl = 4 KCl + 3 Na2SO4 + 2 CrCl3 + 5 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AL + HCl = ALCl + H2 =>
2 AL + 2 HCl = 2 ALCl + H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
AgBr + NH3 = Ag(NH3)2 + Br =>
AgBr + 2 NH3 = Ag(NH3)2 + Br
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Fe(s) + O2(g) = Fe3O4(s) =>
3 Fe(s) + 2 O2(g) = Fe3O4(s)
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
HF + SiO2 = H2SiF6 + H2O =>
6 HF + SiO2 = H2SiF6 + 2 H2O
Si2H3 + O2 = Si02 + H2O =>
4 Si2H3 + 3 O2 = 4 Si02 + 6 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
KHF2 + Al2O3 = AlF3 + KOH =>
3 KHF2 + Al2O3 = 2 AlF3 + 3 KOH
Al4C3 + H2O = AlO3H3 + CH4 =>
Al4C3 + 12 H2O = 4 AlO3H3 + 3 CH4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/02/15
Équations équilibrées sur09/01/14
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