| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Na{+} + Cl{-} = NaCl =>
Na{+} + Cl{-} = NaCl
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Pb(NO3)2 + Na3AsO4 = Pb3(AsO4)2 + NaNO3 =>
3 Pb(NO3)2 + 2 Na3AsO4 = Pb3(AsO4)2 + 6 NaNO3
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
NH3 + HClO = NH4 + ClO =>
NH3 + HClO = NH4 + ClO
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
CuSO4 + Zn = Cu + ZnSO4 =>
CuSO4 + Zn = Cu + ZnSO4
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
LiOH + H2CO3 = H2OH + LiCO3 =>
LiOH + H2CO3 = H2OH + LiCO3
Cu(OH)2 + HClO4 = Cu(ClO4)2 + H2O =>
Cu(OH)2 + 2 HClO4 = Cu(ClO4)2 + 2 H2O
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
H2S + H{+} + Cr2O7{-2} = Cr{+3} + S + H2O =>
3 H2S + 8 H{+} + Cr2O7{-2} = 2 Cr{+3} + 3 S + 7 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
H2SO4 + NH4OH = (NH4)2SO4 + H2O =>
H2SO4 + 2 NH4OH = (NH4)2SO4 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2SO4 + Fe = FeSO4 + H2 =>
H2SO4 + Fe = FeSO4 + H2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
NCl3 + H2O = NH3 + HOCl =>
NCl3 + 3 H2O = NH3 + 3 HOCl
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
SrCl2(aq) + CoSO4(aq) = SrSO4 + CoCl2 =>
SrCl2(aq) + CoSO4(aq) = SrSO4 + CoCl2
H{+} + Hg + MnO4{-} = H2O + Hg2{2+} + Mn{2+} =>
16 H{+} + 10 Hg + 2 MnO4{-} = 8 H2O + 5 Hg2{2+} + 2 Mn{2+}
H2SO4 + Zn(OH)2 = ZnSO4 + H2O =>
H2SO4 + Zn(OH)2 = ZnSO4 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH4I + Cl = NH4Cl + I2 =>
2 NH4I + 2 Cl = 2 NH4Cl + I2
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Mg3N2 + HCl = MgCl2 + NH4Cl =>
Mg3N2 + 8 HCl = 3 MgCl2 + 2 NH4Cl
Fr + H2O = FrO + H2 =>
Fr + H2O = FrO + H2
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
SiCl4 = Si + Cl2 =>
SiCl4 = Si + 2 Cl2
Al + NH4ClO4 = Al2O3 + AlCl3 + NO + H2O =>
3 Al + 3 NH4ClO4 = Al2O3 + AlCl3 + 3 NO + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/11/09
Équations équilibrées sur10/11/08
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