| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 P4 + 5 S8 = 8 P2S5
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
C + O2 = CO =>
2 C + O2 = 2 CO
Zn + HC2H3O2 = Zn(CH3COO)2 + H2 =>
Zn + 2 HC2H3O2 = Zn(CH3COO)2 + H2
HCl + MnO2 = MnCl2 + Cl2 + H2O =>
4 HCl + MnO2 = MnCl2 + Cl2 + 2 H2O
Mg + HNO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
CaBr2 = Ca + Br2 =>
CaBr2 = Ca + Br2
Mg + HNO3 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 HNO3 = 5 Mg(NO3)2 + N2 + 6 H2O
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
HNO3 + NH4OH = H2O + NH4NO3 =>
HNO3 + NH4OH = H2O + NH4NO3
Co(OH)3 + HNO3 = Co(NO3)3 + H2O =>
Co(OH)3 + 3 HNO3 = Co(NO3)3 + 3 H2O
O + H = H2O =>
O + 2 H = H2O
MgSO4 + NH4OH = (NH4)2SO4 + Mg(OH)2 =>
MgSO4 + 2 NH4OH = (NH4)2SO4 + Mg(OH)2
H + OH = H2O =>
H + OH = H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2 + CO3 = NaO + CO2 =>
Na2 + 2 CO3 = 2 NaO + 2 CO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
HNO3 + HI = NO + I2 + H2O =>
2 HNO3 + 6 HI = 2 NO + 3 I2 + 4 H2O
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HNO3 + P4 + H2O = H3PO4 + NO =>
20 HNO3 + 3 P4 + 8 H2O = 12 H3PO4 + 20 NO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ag3N = Ag + N3 =>
3 Ag3N = 9 Ag + N3
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Pb{2+} + OBr3{-} + Br{-} = PbO + Br2 =>
Pb{2+} + OBr3{-} + Br{-} = PbO + 2 Br2
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
KCl + Br = KBr + Cl =>
KCl + Br = KBr + Cl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Al3 + Fe(NO3)2 = Al(NO3)3 + Fe2 =>
4 Al3 + 18 Fe(NO3)2 = 12 Al(NO3)3 + 9 Fe2
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Na3PO4 + Mg(NO3)2 = NaNO3 + Mg3(PO4)2 =>
2 Na3PO4 + 3 Mg(NO3)2 = 6 NaNO3 + Mg3(PO4)2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2SO4 + KNO3 = NaNO3 + K2SO4 =>
Na2SO4 + 2 KNO3 = 2 NaNO3 + K2SO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
| 1 2 3 4 |
| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/04/11
Équations équilibrées sur01/03/11
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