| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na2Cr2O7 + 2 H2O + 3 S = 3 SO2 + 4 NaOH + 2 Cr2O3
CH4 + Cl2 = CH2Cl2 + HCl =>
CH4 + 2 Cl2 = CH2Cl2 + 2 HCl
SnBr2 + Na2S = SnS + NaBr =>
SnBr2 + Na2S = SnS + 2 NaBr
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
NaOH + NaCrO2 + H2O2 = Na2CrO4 + H2O =>
2 NaOH + 2 NaCrO2 + 3 H2O2 = 2 Na2CrO4 + 4 H2O
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
Al + HCl = AlCl + H2 =>
2 Al + 2 HCl = 2 AlCl + H2
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
N2H4 + K2SeO4 + HCl = N2 + Se + KCl + H2O =>
3 N2H4 + 2 K2SeO4 + 4 HCl = 3 N2 + 2 Se + 4 KCl + 8 H2O
KOH + Cl2 = KCl + KClO + H2O =>
2 KOH + Cl2 = KCl + KClO + H2O
Fe2O3 + H2 = H2O + Fe3 =>
3 Fe2O3 + 9 H2 = 9 H2O + 2 Fe3
Fe2O3 + H2 = H2O + Fe =>
Fe2O3 + 3 H2 = 3 H2O + 2 Fe
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Pb(C2H3O2)2 + LiOH = Pb(OH)2 + LiC2H3O2 =>
Pb(C2H3O2)2 + 2 LiOH = Pb(OH)2 + 2 LiC2H3O2
HCl + CaCO3 = CaCl2 + CO2 + H2O =>
2 HCl + CaCO3 = CaCl2 + CO2 + H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
CuSO4 + Ca(NO3)2 = Cu(NO3)2 + CaSO4 =>
CuSO4 + Ca(NO3)2 = Cu(NO3)2 + CaSO4
CaSO4(aq) + NaOH(aq) = Ca(OH)2(s) + Na2SO4(aq) =>
CaSO4(aq) + 2 NaOH(aq) = Ca(OH)2(s) + Na2SO4(aq)
CaSO4 + Cu(NO3)2 = Ca(NO3)2 + CuSO4 =>
CaSO4 + Cu(NO3)2 = Ca(NO3)2 + CuSO4
LiCl + Na2TiO3 = Li2TiO3 + NaCl =>
2 LiCl + Na2TiO3 = Li2TiO3 + 2 NaCl
CaS + CO2 = CaSO4 + C =>
CaS + 2 CO2 = CaSO4 + 2 C
CaO + SO2 = CaSO4 + CaS =>
4 CaO + 4 SO2 = 3 CaSO4 + CaS
Ca(OH)2 + NH4Cl = NH3 + CaCl2 + H2O =>
Ca(OH)2 + 2 NH4Cl = 2 NH3 + CaCl2 + 2 H2O
H2S + HNO3 = S + NO2 + H2O =>
H2S + 2 HNO3 = S + 2 NO2 + 2 H2O
C2H2(aq) + O2(g) = CO2(g) + H2O(g) =>
2 C2H2(aq) + 5 O2(g) = 4 CO2(g) + 2 H2O(g)
CH4(g) + O2(g) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
SiBr4 + H2O = HBr + SiO2 =>
SiBr4 + 2 H2O = 4 HBr + SiO2
LiCl + Na2TiO3 = Li2TiO3 + NaCl =>
2 LiCl + Na2TiO3 = Li2TiO3 + 2 NaCl
KClO3 = KCl + KClO4 =>
4 KClO3 = KCl + 3 KClO4
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
NaH + NaHCO3 = Na + H2CO3 =>
NaH + NaHCO3 = 2 Na + H2CO3
LiCl + Na4SiO4 = Li4SiO4 + NaCl =>
4 LiCl + Na4SiO4 = Li4SiO4 + 4 NaCl
NBr3 + NaOH = N2 + NaBr + HOBr =>
2 NBr3 + 3 NaOH = N2 + 3 NaBr + 3 HOBr
I2O4 + NaOH = NaIO3 + NaI + H2O =>
3 I2O4 + 6 NaOH = 5 NaIO3 + NaI + 3 H2O
NH3 + Na2O = Na(NH3) + O2 =>
4 NH3 + 2 Na2O = 4 Na(NH3) + O2
Cu(NO3)2 = CuO + O2 + NO2 =>
2 Cu(NO3)2 = 2 CuO + O2 + 4 NO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
ZnSO4 + SrCl2 = ZnCl2 + SrSO4 =>
ZnSO4 + SrCl2 = ZnCl2 + SrSO4
FeS(s) + HCl(aq) = FeCl2(aq) + H2S =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/09/13
Équations équilibrées sur07/09/12
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