| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Li + 2 CO2 + 2 H2O = 2 LiHCO3 + H2
FeSO4 + O2 = Fe2O3 + SO3 =>
4 FeSO4 + O2 = 2 Fe2O3 + 4 SO3
Ag{+} + K2CrO4 = Ag2CrO4 + K{+} =>
2 Ag{+} + K2CrO4 = Ag2CrO4 + 2 K{+}
Zn + HgCl2 = ZnCl + Hg =>
2 Zn + HgCl2 = 2 ZnCl + Hg
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
N + H = NH3 =>
N + 3 H = NH3
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
NaCl + H2O = NaH2 + ClO =>
NaCl + H2O = NaH2 + ClO
Na + Cl = NaCl =>
Na + Cl = NaCl
IO3{-} + I{-} + H{+} = I2 + H2O =>
IO3{-} + 5 I{-} + 6 H{+} = 3 I2 + 3 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
NH4Cl + H2O = NH5 + ClOH =>
NH4Cl + H2O = NH5 + ClOH
Br + H = HBr =>
Br + H = HBr
Br2 + H = HBr =>
Br2 + 2 H = 2 HBr
Na2C2O4 + Al2(CO3)3 = Na2CO3 + Al2(C2O4)3 =>
3 Na2C2O4 + Al2(CO3)3 = 3 Na2CO3 + Al2(C2O4)3
Cl2 + Al = AlCl3 =>
3 Cl2 + 2 Al = 2 AlCl3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CO2 + C = CO =>
CO2 + C = 2 CO
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
Na4 + O2 = Na2O =>
Na4 + O2 = 2 Na2O
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cr(NO3)3 + (NH4)2S2O8 + H2O = (NH4)2Cr2O7 + H2SO4 + NH4NO3 =>
6 Cr(NO3)3 + 13(NH4)2S2O8 + 24 H2O = 3(NH4)2Cr2O7 + 26 H2SO4 + 19 NH4NO3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
NaHSO4 + Al + NaOH = Na2S + Al2O3 + H2O =>
3 NaHSO4 + 8 Al + 3 NaOH = 3 Na2S + 4 Al2O3 + 3 H2O
Cd(OH)2 + HNO3 = Cd(NO3)2 + H2O =>
Cd(OH)2 + 2 HNO3 = Cd(NO3)2 + 2 H2O
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
KI + MnO2 + H2SO4 = H2O + I2 + K2SO4 + MnSO4 =>
2 KI + MnO2 + 2 H2SO4 = 2 H2O + I2 + K2SO4 + MnSO4
Cd(NO3)2 + Na2S = CdS + NaNO3 =>
Cd(NO3)2 + Na2S = CdS + 2 NaNO3
CaCl2 + Na2SO4 = CaSO4 + NaCl =>
CaCl2 + Na2SO4 = CaSO4 + 2 NaCl
K + Cl = KCl =>
K + Cl = KCl
BaCl2 + Al2(CO3)3 = BaCO3 + AlCl3 =>
3 BaCl2 + Al2(CO3)3 = 3 BaCO3 + 2 AlCl3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)Cl + SrSO4 =>
(NH4)2SO4(aq) + SrCl2(aq) = 2(NH4)Cl + SrSO4
KI + MnO2 + H2SO4 = H2O + I2 + KHSO4 + MnSO4 =>
2 KI + MnO2 + 3 H2SO4 = 2 H2O + I2 + 2 KHSO4 + MnSO4
HCl + K2SO3 = KCl + H2O + SO2 =>
2 HCl + K2SO3 = 2 KCl + H2O + SO2
I2 + C6H8O6 = C6H6O6 + H{+} + I{-} =>
I2 + C6H8O6 = C6H6O6 + 2 H{+} + 2 I{-}
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CaSO4 = CaSO4 =>
CaSO4 = CaSO4
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Cu(s) + HNO3(aq) = Cu(NO3)2(s) + NO2(g)H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(s) + 2 NO2(g)H2O(l)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
FeO + H2O = Fe(OH)2 =>
FeO + H2O = Fe(OH)2
Al + HNO3 = Al(NO3)3 + N2O + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 N2O + 15 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/03/13
Équations équilibrées sur10/03/12
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