| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Al + 3 O2 = 2 Al2O3
CuSO4 + Zn = ZnSO4 + Cu =>
CuSO4 + Zn = ZnSO4 + Cu
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2C2O4 + KMnO4 = CO2 + K2O + MnO + H2O =>
5 H2C2O4 + 2 KMnO4 = 10 CO2 + K2O + 2 MnO + 5 H2O
F2 + H2O = O2 + F{-} + H{+} =>
2 F2 + 2 H2O = O2 + 4 F{-} + 4 H{+}
Cr(OH)3 + H3O = H2O + Cr =>
Cr(OH)3 + 3 H3O = 6 H2O + Cr
Na3PO4(aq) + CaCl2(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
2 Na3PO4(aq) + 3 CaCl2(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
ZnCO3 + H2SO4 = ZnSO4 + H2O + CO2 =>
ZnCO3 + H2SO4 = ZnSO4 + H2O + CO2
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
NH3 + H2S = (NH4)HS =>
NH3 + H2S = (NH4)HS
HClO3 + (COOH)2 = CO2 + ClO2 + H2O =>
2 HClO3 + (COOH)2 = 2 CO2 + 2 ClO2 + 2 H2O
S + H2SO4 = H2O + SO2 =>
S + 2 H2SO4 = 2 H2O + 3 SO2
C + H2 = CH4 =>
C + 2 H2 = CH4
Cu(NO3)2(aq) + NH3(aq) + H2O(l) = Cu(OH)2(s) + NH4NO3(aq) =>
Cu(NO3)2(aq) + 2 NH3(aq) + 2 H2O(l) = Cu(OH)2(s) + 2 NH4NO3(aq)
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
BaF2 + H3O = H2O + Ba + HF =>
BaF2 + 2 H3O = 2 H2O + Ba + 2 HF
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Cl2 + Al = AlCl3 =>
3 Cl2 + 2 Al = 2 AlCl3
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
Ni(CN)2 + H3O = H2O + Ni + HCN =>
Ni(CN)2 + 2 H3O = 2 H2O + Ni + 2 HCN
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NaClO + H2SO4 = Na2SO4 + Cl2 + H2O2 =>
2 NaClO + H2SO4 = Na2SO4 + Cl2 + H2O2
NaOH + Mn(CH3COO)2 = Mn(OH)2 + Na(CH3COO) =>
2 NaOH + Mn(CH3COO)2 = Mn(OH)2 + 2 Na(CH3COO)
Pb(OH)2 + Cl2 + OH{-} = PbO2 + Cl{-} + H2O =>
Pb(OH)2 + Cl2 + 2 OH{-} = PbO2 + 2 Cl{-} + 2 H2O
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
HCl + Na2CO3 = NaCl + H2O + CO2 =>
2 HCl + Na2CO3 = 2 NaCl + H2O + CO2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2 =>
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Cl2 + KBr = KCl + Br =>
Cl2 + 2 KBr = 2 KCl + 2 Br
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
CrPO4 + H3O = H2O + Cr + H3PO4 =>
CrPO4 + 3 H3O = 3 H2O + Cr + H3PO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/05/13
Équations équilibrées sur03/07/12
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