| Équations équilibrées la veille | Équations équilibrées le lendemain |
PbO + 2 HNO3 = Pb(NO3)2 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
CuS + O2 = CuO + SO2 =>
2 CuS + 3 O2 = 2 CuO + 2 SO2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Hg(NO3)2 = HgO + NO2 + O =>
Hg(NO3)2 = HgO + 2 NO2 + O
BF3 + H2O = HF + H3BO3 =>
BF3 + 3 H2O = 3 HF + H3BO3
HCl + Na2CO3 = H2O + NaCl + CO2 =>
2 HCl + Na2CO3 = H2O + 2 NaCl + CO2
HCl + NaHCO3 = H2O + NaCl + CO2 =>
HCl + NaHCO3 = H2O + NaCl + CO2
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
H2S + HFeO2 = Fe2S3 + H2O =>
3 H2S + 2 HFeO2 = Fe2S3 + 4 H2O
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
NH4 + H2O = NH3 + H3O =>
NH4 + H2O = NH3 + H3O
CuFeS2 + O2 = CuSO4 + Fe2O3 + SO3 =>
4 CuFeS2 + 17 O2 = 4 CuSO4 + 2 Fe2O3 + 4 SO3
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
CuFeS2 + O2 = CuSO4 + Fe2O3 + SO2 =>
4 CuFeS2 + 15 O2 = 4 CuSO4 + 2 Fe2O3 + 4 SO2
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Li + H2O = Li2O + H2 =>
2 Li + H2O = Li2O + H2
SrCO3 = SrO + CO2 =>
SrCO3 = SrO + CO2
SO3{2-} + H2O + Ce{4+} = SO4{2-} + H{+} + Ce{3+} =>
SO3{2-} + H2O + 2 Ce{4+} = SO4{2-} + 2 H{+} + 2 Ce{3+}
Al2(SO4)3 + BaCl2 = AlCl3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 AlCl3 + 3 BaSO4
CO2 + NH3 = NH2CONH2 + H2O =>
CO2 + 2 NH3 = NH2CONH2 + H2O
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
NH4Cl + NaNO2 = NH4NO2 + NaCl =>
NH4Cl + NaNO2 = NH4NO2 + NaCl
C7H8O2 + O2 = CO2 + H2O =>
C7H8O2 + 8 O2 = 7 CO2 + 4 H2O
Cr(s) + Cl2(g) = CrCl3(s) =>
2 Cr(s) + 3 Cl2(g) = 2 CrCl3(s)
Pb + NO3{-} + H{+} = Pb{2+} + NO + H2O =>
3 Pb + 2 NO3{-} + 8 H{+} = 3 Pb{2+} + 2 NO + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SO3(g) = SO2(g) + O2(g) =>
2 SO3(g) = 2 SO2(g) + O2(g)
Na2Cr2O7 + H2O + S = SO2 + NaOH + Cr2O3 =>
2 Na2Cr2O7 + 2 H2O + 3 S = 3 SO2 + 4 NaOH + 2 Cr2O3
MgO + H2 = Mg + H2O =>
MgO + H2 = Mg + H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
MnO4{-1)+Cr{+3}+H2O = Mn{+2}+Cr2O7{-2}+H{+} =>
6 MnO4{-1)+10Cr{+3}+11H2O = 6 Mn{+2}+5Cr2O7{-2}+22H{+}
MnO4{-} + Cr{+3} + H2O = Mn{+2} + Cr2O7{-2} + H{+} =>
6 MnO4{-} + 10 Cr{+3} + 11 H2O = 6 Mn{+2} + 5 Cr2O7{-2} + 22 H{+}
Ca(OH)2 + H3PO4 = H2O + Ca3(PO4)2 =>
3 Ca(OH)2 + 2 H3PO4 = 6 H2O + Ca3(PO4)2
MnO4{-1)+Cr{+3}+H2O = Mn{+2}+Cr2O7{-2}+H{+} =>
6 MnO4{-1)+10Cr{+3}+11H2O = 6 Mn{+2}+5Cr2O7{-2}+22H{+}
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Ag + H2S + O2 = AgS + H2O =>
2 Ag + 2 H2S + O2 = 2 AgS + 2 H2O
MgO + H2 = Mg + H2O =>
MgO + H2 = Mg + H2O
Ba(OH)2*8H2O + NH4Cl = BaCl2 + NH3 + H2O =>
Ba(OH)2*8H2O + 2 NH4Cl = BaCl2 + 2 NH3 + 10 H2O
C6H12O6(s) + O2(g) = CO2(g) + H2O =>
C6H12O6(s) + 6 O2(g) = 6 CO2(g) + 6 H2O
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
Fe2S3 + HCl = FeCl3 + H2S =>
Fe2S3 + 6 HCl = 2 FeCl3 + 3 H2S
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CS2 + NH3 = H2S + NH4SCN =>
CS2 + 2 NH3 = H2S + NH4SCN
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca(NO3)2(ac) + Na2SO4(ac) = CaSO4(s) + NaNO3(ac) =>
Ca(NO3)2(ac) + Na2SO4(ac) = CaSO4(s) + 2 NaNO3(ac)
BI(NO3)3 + NaOH = BI(OH)3 + NaNO3 =>
BI(NO3)3 + 3 NaOH = BI(OH)3 + 3 NaNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/06/13
Équations équilibrées sur09/05/12
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