| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + 2 NaOH = Cu(OH)2 + 2 Na
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
CO2(g) + H2O(l) = C6H12O6(s) + O2(g) =>
6 CO2(g) + 6 H2O(l) = C6H12O6(s) + 6 O2(g)
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
Fe2O3(s) + H2(g) = Fe(l) + H2O(g) =>
Fe2O3(s) + 3 H2(g) = 2 Fe(l) + 3 H2O(g)
CH4(g) + H2O(g) = CO(g) + H2(g) =>
CH4(g) + H2O(g) = CO(g) + 3 H2(g)
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
CaH2(s) + H2O(l) = Ca(OH)2(s) + H2(g) =>
CaH2(s) + 2 H2O(l) = Ca(OH)2(s) + 2 H2(g)
PbO2 + H2SO4 = PbSO4 + H2O + O2 =>
2 PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O + O2
Fe(s) + O2(g) = Fe2O3(g) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(g)
KMnO4 + MnSO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
2 KMnO4 + 3 MnSO4 + 2 H2O = 5 MnO2 + K2SO4 + 2 H2SO4
Al2O3(s) + C(s) = Al(l) + CO2(g) =>
2 Al2O3(s) + 3 C(s) = 4 Al(l) + 3 CO2(g)
C7H8O + CH2O2 = C8H8O2 + H2O =>
C7H8O + CH2O2 = C8H8O2 + H2O
NO(g) + O2(g) = NO2(g) =>
2 NO(g) + O2(g) = 2 NO2(g)
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Cl2 + H2S = S + HCl =>
Cl2 + H2S = S + 2 HCl
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Al4C3 + HCl = AlCl3 + CH4 =>
Al4C3 + 12 HCl = 4 AlCl3 + 3 CH4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaMnO4 + TiSO4 + H2SO4 = Ti(SO4)2 + MnSO4 + Na2SO4 + H2O =>
2 NaMnO4 + 5 TiSO4 + 8 H2SO4 = 5 Ti(SO4)2 + 2 MnSO4 + Na2SO4 + 8 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
ZnS(s) + HNO3(aq) = H2S(aq) + Zn(NO3)2(aq) =>
ZnS(s) + 2 HNO3(aq) = H2S(aq) + Zn(NO3)2(aq)
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH3(CH2)CH3 + O2 = CO2 + H2O =>
CH3(CH2)CH3 + 5 O2 = 3 CO2 + 4 H2O
Ca3(PO4)2(s) + H2SO4(l) = H3PO4(l) + CaSO4(s) =>
Ca3(PO4)2(s) + 3 H2SO4(l) = 2 H3PO4(l) + 3 CaSO4(s)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Pb(C2H3O2)2 + (K2CrO4) = PbCrO4 + CH3CO2K =>
Pb(C2H3O2)2 + (K2CrO4) = PbCrO4 + 2 CH3CO2K
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
AgBr = Ag + Br =>
AgBr = Ag + Br
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
AgCl = Ag + Cl =>
AgCl = Ag + Cl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
FeO + TiO2 = FeTiO3 =>
FeO + TiO2 = FeTiO3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/15/12
Équations équilibrées sur06/14/11
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