| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
Al2(SO4)2 + CaOH2 = AlOH2 + Ca2(SO4)2 =>
Al2(SO4)2 + 2 CaOH2 = 2 AlOH2 + Ca2(SO4)2
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
NiCO3 + HNO3 = Ni(NO3)2 + CO2 + H2O =>
NiCO3 + 2 HNO3 = Ni(NO3)2 + CO2 + H2O
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Fe2S2 + HCl = H2S + FeCl2 =>
Fe2S2 + 4 HCl = 2 H2S + 2 FeCl2
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
CaSiO3 + HF = SiF4 + CaF2 + H2O =>
CaSiO3 + 6 HF = SiF4 + CaF2 + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Pb(NO3)2 + KI = Pb(I)2 + NO3K =>
Pb(NO3)2 + 2 KI = Pb(I)2 + 2 NO3K
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
Fe + CuNO3 = Fe(NO3)2 + Cu =>
Fe + 2 CuNO3 = Fe(NO3)2 + 2 Cu
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Pb(NO3)2 + KI = Pb(I)2 + NO3K =>
Pb(NO3)2 + 2 KI = Pb(I)2 + 2 NO3K
(NH4)2S + Pb(NO3)2 = NH4NO3 + Pb2S2 =>
2(NH4)2S + 2 Pb(NO3)2 = 4 NH4NO3 + Pb2S2
FeCl2 + HNO3 + HCl = FeCl3 + NO + H2O =>
3 FeCl2 + HNO3 + 3 HCl = 3 FeCl3 + NO + 2 H2O
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + NH4NO2 =>
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
KOH + Co3(PO4)2 = K3PO4 + Co(OH)2 =>
6 KOH + Co3(PO4)2 = 2 K3PO4 + 3 Co(OH)2
HOC6H4COOCH3 + H2O = HOC6H4COOH + CH3OH =>
HOC6H4COOCH3 + H2O = HOC6H4COOH + CH3OH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al(NO3)3 + K2Cr2O7 = Al2(Cr2O7)3 + KNO3 =>
2 Al(NO3)3 + 3 K2Cr2O7 = Al2(Cr2O7)3 + 6 KNO3
CaCl2 + HNO3 = Ca(NO3)2 + HCl =>
CaCl2 + 2 HNO3 = Ca(NO3)2 + 2 HCl
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
K2CO3 + BaCl2 = KCl + Ba2(CO3)2 =>
2 K2CO3 + 2 BaCl2 = 4 KCl + Ba2(CO3)2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CaSiO3 + HF = SiF4 + CaF2 + H2O =>
CaSiO3 + 6 HF = SiF4 + CaF2 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
SiCl4(l) + H20(l) = Si2(s) + HCl(aqu) =>
10 SiCl4(l) + 2 H20(l) = 5 Si2(s) + 40 HCl(aqu)
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/03/10
Équations équilibrées sur02/02/09
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