| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn + FeCl = ZnCl + Fe
KO2 + H2O = KOH + O2 =>
4 KO2 + 2 H2O = 4 KOH + 3 O2
AgNO3 + CaBr2 = AgBr2 + CaNO3 =>
AgNO3 + CaBr2 = AgBr2 + CaNO3
CrBr3 + H2O2 + NaOH = Na2CrO4 + NaBr2 + H2O =>
4 CrBr3 + 9 H2O2 + 14 NaOH = 4 Na2CrO4 + 6 NaBr2 + 16 H2O
AgNO3 + NaCl = NaNO3 + AgCl =>
AgNO3 + NaCl = NaNO3 + AgCl
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
MnO2 + HBr = MnBr + Br + H2O =>
MnO2 + 4 HBr = MnBr + 3 Br + 2 H2O
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
CrO3 + H2S = Cr(OH)3 + S =>
2 CrO3 + 3 H2S = 2 Cr(OH)3 + 3 S
CrBr3 + H2O2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 CrBr3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C2H5COOH + O2 = CO + H2O =>
C2H5COOH + 2 O2 = 3 CO + 3 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
ZNO + H2O = ZN(OH)2 =>
ZNO + H2O = ZN(OH)2
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
Mg + H2So4 = Mg2So4 + H2 =>
2 Mg + H2So4 = Mg2So4 + H2
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ca3(PO4) + SiO2 + C = CaSiO3 + CO + P4 =>
4 Ca3(PO4) + 12 SiO2 + 4 C = 12 CaSiO3 + 4 CO + P4
ZnCi2 + Al = AlCi3 + Zn =>
3 ZnCi2 + 2 Al = 2 AlCi3 + 3 Zn
C2H6(g) + O2(g) = CO2(g) + H2O(l) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(l)
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Pb(OH)2 + HCl = PbCl2 + H2O =>
Pb(OH)2 + 2 HCl = PbCl2 + 2 H2O
NaHCO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
2 NaHCO3 + H2SO4 = 2 CO2 + 2 H2O + Na2SO4
NaCO3 + CH3COOH = CH3COONa + CO2 + H2O =>
8 NaCO3 + 9 CH3COOH = 8 CH3COONa + 10 CO2 + 6 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe(SO4)3 + Pb(NO3)2 = Fe(NO3)3 + Pb(SO4)2 =>
2 Fe(SO4)3 + 3 Pb(NO3)2 = 2 Fe(NO3)3 + 3 Pb(SO4)2
HBr + AL(OH)3 = H2O + ALBr3 =>
3 HBr + AL(OH)3 = 3 H2O + ALBr3
N2H4 + O2 = N2 + H2O =>
N2H4 + O2 = N2 + 2 H2O
FeS + O = Fe2O3 + SO2 =>
2 FeS + 7 O = Fe2O3 + 2 SO2
C6H22O11 + HO2 = CO2 + H2O =>
C6H22O11 + 8 HO2 = 6 CO2 + 15 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
Br2 + NaI = NaBr + I2 =>
Br2 + 2 NaI = 2 NaBr + I2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KOH + Zn + H2O + KNO3 = K2Zn(OH)4 + NO =>
4 KOH + 3 Zn + 4 H2O + 2 KNO3 = 3 K2Zn(OH)4 + 2 NO
Fe3O4 + Al = Al2O3 + Fe =>
3 Fe3O4 + 8 Al = 4 Al2O3 + 9 Fe
K + C2H5OH = C2H5OK + H2 =>
2 K + 2 C2H5OH = 2 C2H5OK + H2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
K2 + O2 = K2O =>
2 K2 + O2 = 2 K2O
C6H12 + O2 = CO2 + H20 =>
5 C6H12 + 30 O2 = 30 CO2 + 3 H20
BeI2 + Na2S = BeS + NaI =>
BeI2 + Na2S = BeS + 2 NaI
Al3 + FeO = Al2O3 + Fe =>
2 Al3 + 9 FeO = 3 Al2O3 + 9 Fe
Pb(OH)2 + HCl = PbCl2 + H2O =>
Pb(OH)2 + 2 HCl = PbCl2 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/10/17
Équations équilibrées sur05/10/16
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