| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Na2CO3 + 2 Fe(NO3)3 = 6 NaNO3 + Fe2(CO3)3
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
HNO3 + Cu = Cu(NO3)2 + H2O + NO2 =>
4 HNO3 + Cu = Cu(NO3)2 + 2 H2O + 2 NO2
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
H{+} + Cr2O7{2-} + Fe{+2} = Fe{3+} + Cr{3+} + H2O =>
14 H{+} + Cr2O7{2-} + 6 Fe{+2} = 6 Fe{3+} + 2 Cr{3+} + 7 H2O
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
Mg + O2 = Mg7O5 =>
14 Mg + 5 O2 = 2 Mg7O5
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
Fe2O3 + CO = FeO + CO2 =>
Fe2O3 + CO = 2 FeO + CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
TiF3 + Cs2SO3 = CsF + Ti2(SO3)3 =>
2 TiF3 + 3 Cs2SO3 = 6 CsF + Ti2(SO3)3
SO2Cl2 + HI = H2S + H2O + HCl + I2 =>
SO2Cl2 + 8 HI = H2S + 2 H2O + 2 HCl + 4 I2
C8H18O2 + O2 = CO2 + H2O =>
2 C8H18O2 + 23 O2 = 16 CO2 + 18 H2O
Na + F2 = NaF =>
2 Na + F2 = 2 NaF
Na2S(aq) + Zn(NO3)2(aq) = Na2(NO3)2 + ZnS =>
Na2S(aq) + Zn(NO3)2(aq) = Na2(NO3)2 + ZnS
H2O + CO2 = H2CO3 =>
H2O + CO2 = H2CO3
K2O2(s) + H2O(l) = KOH(aq) + O2(g) =>
2 K2O2(s) + 2 H2O(l) = 4 KOH(aq) + O2(g)
C3H7NO2S + O2 = C3H7NO4S =>
C3H7NO2S + O2 = C3H7NO4S
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
C2H5OH + CH3COOH = C4H8O2 + H2O =>
C2H5OH + CH3COOH = C4H8O2 + H2O
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
Fe4Cl12 + Na6C3O9 = Fe2(CO3)3 + NaCl =>
Fe4Cl12 + 2 Na6C3O9 = 2 Fe2(CO3)3 + 12 NaCl
H2CO3 + NaCl = H2CO3NaCl =>
H2CO3 + NaCl = H2CO3NaCl
Fe + Cu2SO4 = Fe2(SO4)3 + Cu =>
2 Fe + 3 Cu2SO4 = Fe2(SO4)3 + 6 Cu
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C3H7NO3 + C4H9NO2S = C7H14N2O4S + H2O =>
C3H7NO3 + C4H9NO2S = C7H14N2O4S + H2O
C12H9NO + O2 = N2 + CO2 + H2O =>
4 C12H9NO + 55 O2 = 2 N2 + 48 CO2 + 18 H2O
Na2S(aq) + Zn(NO3)2(aq) = NaNO3(aq) + ZnS(s) =>
Na2S(aq) + Zn(NO3)2(aq) = 2 NaNO3(aq) + ZnS(s)
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
SiO2(s) + HF(aq) = SiF4(g) + H2O(l) =>
SiO2(s) + 4 HF(aq) = SiF4(g) + 2 H2O(l)
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
NaOH + C2H4O2 = H2O + NaC2H3O2 =>
NaOH + C2H4O2 = H2O + NaC2H3O2
FeCl3 + NH4SCN = Fe(SCN)3 + NH4Cl =>
FeCl3 + 3 NH4SCN = Fe(SCN)3 + 3 NH4Cl
C8H15NO7 + C3H7NO2S = C7H14N2O4S + C4H6O4 + H2O =>
C8H15NO7 + C3H7NO2S = C7H14N2O4S + C4H6O4 + H2O
Pb(NO3)2 + AlCl3 = PbCl2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 2 Al(NO3)3
Zn + Pb(CH3COO)2 = Pb + Zn(CH3COO)2 =>
Zn + Pb(CH3COO)2 = Pb + Zn(CH3COO)2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C8H18(g) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(g) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
H2SO4 + Cu = SO2 + H2O + CuSO4 =>
2 H2SO4 + Cu = SO2 + 2 H2O + CuSO4
C8H18(g) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(g) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
Cl2 + KI = KCl + I2 =>
Cl2 + 2 KI = 2 KCl + I2
CoCl2 + Na2O2 + NaOH + H2O = Co(OH)3 + NaCl =>
2 CoCl2 + Na2O2 + 2 NaOH + 2 H2O = 2 Co(OH)3 + 4 NaCl
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
Zn(C2H3O2)2 + Na3PO4 = Zn3(PO4)2 + Na(C2H3O2) =>
3 Zn(C2H3O2)2 + 2 Na3PO4 = Zn3(PO4)2 + 6 Na(C2H3O2)
NaI + AgNO3 = NaNO3 + AgI =>
NaI + AgNO3 = NaNO3 + AgI
K2Cr2O7 + HCl + FeS = FeCl3 + KCl + H2S + CrCl3 + H2O =>
K2Cr2O7 + 26 HCl + 6 FeS = 6 FeCl3 + 2 KCl + 6 H2S + 2 CrCl3 + 7 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/11/10
Équations équilibrées sur11/10/09
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