| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 H2SO4 + Cu2S = 2 CuSO4 + 5 SO2 + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
H2SO4 + Cu2S = CuSO4 + H2S + H2O =>
9 H2SO4 + 4 Cu2S = 8 CuSO4 + 5 H2S + 4 H2O
SnS(s) + O2(g) = SO2(g) + SnO(s) =>
2 SnS(s) + 3 O2(g) = 2 SO2(g) + 2 SnO(s)
FE(OH)3 + HCl = FECl3 + H2O =>
FE(OH)3 + 3 HCl = FECl3 + 3 H2O
C + LiNO3 = Li2O + LiNO2 + C(NO3)4 =>
C + 6 LiNO3 = 2 Li2O + 2 LiNO2 + C(NO3)4
Cu + H2SO4 = SO2 + CuSO4 + H2O =>
Cu + 2 H2SO4 = SO2 + CuSO4 + 2 H2O
NaOH + C2H4O2 = C2H3NaO2 + H2O =>
NaOH + C2H4O2 = C2H3NaO2 + H2O
H2O2 + C6H12N4 + C6H8O7 = C6H12N2O6 + C2H5COOH =>
16 H2O2 + 7 C6H12N4 + 8 C6H8O7 = 14 C6H12N2O6 + 2 C2H5COOH
SiO2 + Na2CO3 = Na2SiO3 + CO2 =>
SiO2 + Na2CO3 = Na2SiO3 + CO2
FeCl2 + H2O2 + HCl = FeCl3 + H2O =>
2 FeCl2 + H2O2 + 2 HCl = 2 FeCl3 + 2 H2O
KI + O3 + H2O = KOH + I2 =>
6 KI + O3 + 3 H2O = 6 KOH + 3 I2
C17H35COONa + CaCl2 = (C17H35COO)2Ca + NaCl =>
2 C17H35COONa + CaCl2 = (C17H35COO)2Ca + 2 NaCl
SiO2 + HCl = SiCl4 + H2O =>
SiO2 + 4 HCl = SiCl4 + 2 H2O
O2 + C2H12O6 = CO2 + H2O =>
2 O2 + C2H12O6 = 2 CO2 + 6 H2O
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
S + Ca(OH)2 = CaS + CaS2O3 + H2O =>
4 S + 3 Ca(OH)2 = 2 CaS + CaS2O3 + 3 H2O
Mg + HNO3 = H2 + Mg(NO3)2 =>
Mg + 2 HNO3 = H2 + Mg(NO3)2
K2Cr2O7 + HCl = KCl + Cl2 + CrCl3 + H2O =>
K2Cr2O7 + 14 HCl = 2 KCl + 3 Cl2 + 2 CrCl3 + 7 H2O
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
As2S3 + HNO3 = H3AsO4 + NO2 + H2O + H2SO4 =>
As2S3 + 28 HNO3 = 2 H3AsO4 + 28 NO2 + 8 H2O + 3 H2SO4
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
As2S3 + HNO3 = H3AsO4 + NO2 + H2O + H2SO4 =>
As2S3 + 28 HNO3 = 2 H3AsO4 + 28 NO2 + 8 H2O + 3 H2SO4
NaNO3 + Zn + NaOH = NH3 + Na2ZnO2 + H2O =>
NaNO3 + 4 Zn + 7 NaOH = NH3 + 4 Na2ZnO2 + 2 H2O
H2O + MnI2 + K2S2O8 = HMnO4 + HIO3 + K2S2O =>
21 H2O + 14 MnI2 + 17 K2S2O8 = 14 HMnO4 + 28 HIO3 + 17 K2S2O
CaCO3 + H2SO4 = CO2 + H2O + CaSO4 =>
CaCO3 + H2SO4 = CO2 + H2O + CaSO4
Fe + H2O(steam) = Fe3O4 + H2(g) =>
3 Fe + 4 H2O(steam) = Fe3O4 + 4 H2(g)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
SnS + (NH4)2S2 = NH4SnS2 =>
2 SnS + (NH4)2S2 = 2 NH4SnS2
Pb(No3)2 + FeCl3 = PbCl2 + Fe(No3)3 =>
3 Pb(No3)2 + 2 FeCl3 = 3 PbCl2 + 2 Fe(No3)3
NH2OH + Zn + HCl = NH3 + ZnCl2 + H2O =>
NH2OH + Zn + 2 HCl = NH3 + ZnCl2 + H2O
SnS2 + (NH4)2S = (NH4)2SnS3 =>
SnS2 + (NH4)2S = (NH4)2SnS3
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
MnO4 + H2O = MnO2 + OH =>
MnO4 + 2 H2O = MnO2 + 4 OH
C3Cl2N3NaO3 + H2O = [C(O)NH]3 + HClO + NaOH =>
C3Cl2N3NaO3 + 3 H2O = [C(O)NH]3 + 2 HClO + NaOH
SO3 + OH = SO4 + H2O =>
SO3 + 2 OH = SO4 + H2O
C17H35COOH + NaOH = C17H35COONa + H2O =>
C17H35COOH + NaOH = C17H35COONa + H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Sn + AuCl3 = SnCl3 + Au =>
Sn + AuCl3 = SnCl3 + Au
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Mg(NO3)2 + Na2CO3 = Mg(CO3) + NaNO3 =>
Mg(NO3)2 + Na2CO3 = Mg(CO3) + 2 NaNO3
CH3CH(CN)CH3 + H2SO4 + H2O = CH3CH(COOH)CH3 + ((NH4)2)SO4 =>
2 CH3CH(CN)CH3 + H2SO4 + 4 H2O = 2 CH3CH(COOH)CH3 + ((NH4)2)SO4
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Mg + H2SO4 = H2 + MgSO4 =>
Mg + H2SO4 = H2 + MgSO4
NH2OH + KMnO4 + KOH = N2 + K2MnO4 + H2O =>
2 NH2OH + 2 KMnO4 + 2 KOH = N2 + 2 K2MnO4 + 4 H2O
Cr2(SO4)3 + H2O2 + NaOH = Na2CrO4 + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 3 Na2SO4 + 8 H2O
NH2OH + KMnO4 + KOH = N2 + K2MnO4 + H2O =>
2 NH2OH + 2 KMnO4 + 2 KOH = N2 + 2 K2MnO4 + 4 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/30/15
Équations équilibrées sur05/30/14
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