| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mg + 2 HCl = MgCl2 + H2
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(l) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(l)
Cr2O3 + Li2SO4 = Cr2(SO4)3 + Li2O =>
Cr2O3 + 3 Li2SO4 = Cr2(SO4)3 + 3 Li2O
NaOH + HCl = H2O + NaCl =>
NaOH + HCl = H2O + NaCl
Zn2 + O2 = ZnO =>
Zn2 + O2 = 2 ZnO
B + H2O = B(OH)3 + H2 =>
2 B + 6 H2O = 2 B(OH)3 + 3 H2
Ca(OH)2 + HC2H3O2 = Ca(C2H3O2)2 + H2O =>
Ca(OH)2 + 2 HC2H3O2 = Ca(C2H3O2)2 + 2 H2O
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
CaS + HCl = CaCl2 + H2S =>
CaS + 2 HCl = CaCl2 + H2S
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
KHC8H4O4(aq) + NaOH(aq) = NaKC8H4O4(aq) + H2O(l) =>
KHC8H4O4(aq) + NaOH(aq) = NaKC8H4O4(aq) + H2O(l)
Na(HCO3) = Na2(CO3) + CO2 + H2O =>
2 Na(HCO3) = Na2(CO3) + CO2 + H2O
CoCO3 = CoO + CO2 =>
CoCO3 = CoO + CO2
Ag + HNO3 = AgNO3 + N2 + H2O =>
10 Ag + 12 HNO3 = 10 AgNO3 + N2 + 6 H2O
AlCl3 + KOH = Al2O3 + HCl + KCl =>
2 AlCl3 + 3 KOH = Al2O3 + 3 HCl + 3 KCl
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
HNO3 + NaHSO3 = NaNO3 + H2O + SO2 =>
HNO3 + NaHSO3 = NaNO3 + H2O + SO2
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Mg(NO3)2 + KOH = MgK + (NO3)2OH =>
Mg(NO3)2 + KOH = MgK + (NO3)2OH
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
As2S3 + HClO3 + H2O = H3AsO4 + S + HCl =>
3 As2S3 + 5 HClO3 + 9 H2O = 6 H3AsO4 + 9 S + 5 HCl
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Zn(s) + FeCl3(aq) = Fe + ZnCl3 =>
Zn(s) + FeCl3(aq) = Fe + ZnCl3
AlCl3 + KOH = Al2O3 + HCl + KCl =>
2 AlCl3 + 3 KOH = Al2O3 + 3 HCl + 3 KCl
CoCl2 + Na2CO3 = CoCO3 + NaCl =>
CoCl2 + Na2CO3 = CoCO3 + 2 NaCl
H2S + I2 = HI + S =>
H2S + I2 = 2 HI + S
FeSO4 + KOH = Fe(OH)2 + K2SO4 =>
FeSO4 + 2 KOH = Fe(OH)2 + K2SO4
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
La2(CO3)3 + H2SO4 = La2(SO4)3 + H2O + CO2 =>
La2(CO3)3 + 3 H2SO4 = La2(SO4)3 + 3 H2O + 3 CO2
CH3OH + O2 = CH2O + H2O =>
2 CH3OH + O2 = 2 CH2O + 2 H2O
Zn(H2O)4{+2} + NaCN = Zn(H2O)3(NaCN){2+} + H2O =>
Zn(H2O)4{+2} + NaCN = Zn(H2O)3(NaCN){2+} + H2O
K2Cr2O7 + H2SO4 + H2S = CrSO4 + H2O + K2SO4 =>
K2Cr2O7 + 2 H2SO4 + H2S = 2 CrSO4 + 3 H2O + K2SO4
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
FeCl3 + (NH4)2S = Fe2S3 + (NH4)Cl =>
2 FeCl3 + 3(NH4)2S = Fe2S3 + 6(NH4)Cl
LiOH + H2S = Li2S + H2O =>
2 LiOH + H2S = Li2S + 2 H2O
Zn + Cu(OH)2 = Zn(OH)2 + Cu =>
Zn + Cu(OH)2 = Zn(OH)2 + Cu
Zn(s) + H3PO4(aq) = H2(g) + Zn3(PO4)2(s) =>
3 Zn(s) + 2 H3PO4(aq) = 3 H2(g) + Zn3(PO4)2(s)
AlCl3 + KOH = Al2O3 + HCl + KCl =>
2 AlCl3 + 3 KOH = Al2O3 + 3 HCl + 3 KCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
Sr(OH)2(s) + NH4Cl(s) = SrCl2(aq) + NH3(g) + H2O(l) =>
Sr(OH)2(s) + 2 NH4Cl(s) = SrCl2(aq) + 2 NH3(g) + 2 H2O(l)
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
As2S3 + HClO3 + H2O = H3AsO4 + S + HCl =>
3 As2S3 + 5 HClO3 + 9 H2O = 6 H3AsO4 + 9 S + 5 HCl
FeCl3 + NH3 = FeNH3 + Cl2 =>
2 FeCl3 + 2 NH3 = 2 FeNH3 + 3 Cl2
Cl2 + Na2 = NaCl =>
Cl2 + Na2 = 2 NaCl
PbCl2 + H2S = PbS + HCl =>
PbCl2 + H2S = PbS + 2 HCl
C2H4 + HCl = C2H5Cl =>
C2H4 + HCl = C2H5Cl
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/02/13
Équations équilibrées sur04/01/12
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