| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
NaNO3 + Zn + NaOH + H2O = Na2[Zn(OH)4] + NH3 =>
NaNO3 + 4 Zn + 7 NaOH + 6 H2O = 4 Na2[Zn(OH)4] + NH3
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Fe2P + FeS2 = FeS + P4S10 =>
4 Fe2P + 18 FeS2 = 26 FeS + P4S10
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
AlBr3 + Cl = AlCl3 + Br =>
AlBr3 + 3 Cl = AlCl3 + 3 Br
Fe(OH)2 + CrO4{2-} + H2O = Fe(OH)3 + Cr(OH)4{-} + OH{-} =>
3 Fe(OH)2 + CrO4{2-} + 4 H2O = 3 Fe(OH)3 + Cr(OH)4{-} + OH{-}
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
SrCl2 + K3PO4 = Sr3(PO4)2 + KCl =>
3 SrCl2 + 2 K3PO4 = Sr3(PO4)2 + 6 KCl
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
HCl + (NH4)2S = NH4Cl + H2S =>
2 HCl + (NH4)2S = 2 NH4Cl + H2S
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Cl2 + OH{-} = Cl{-} + ClO3{-} + H2O =>
3 Cl2 + 6 OH{-} = 5 Cl{-} + ClO3{-} + 3 H2O
H2SO4 + KHCO3 = K2SO4 + H2O + CO2 =>
H2SO4 + 2 KHCO3 = K2SO4 + 2 H2O + 2 CO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Si2H3 + O2 = Si2 + H2O =>
4 Si2H3 + 3 O2 = 4 Si2 + 6 H2O
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Fe{+} + Ag{+} = Fe{3+} + Ag =>
Fe{+} + 2 Ag{+} = Fe{3+} + 2 Ag
H2S + NO3{-} + H{+} = NO2 + S8 + H2O =>
8 H2S + 16 NO3{-} + 16 H{+} = 16 NO2 + S8 + 16 H2O
CH3COOH + NaOH = H2O + NaC2H3O2 =>
CH3COOH + NaOH = H2O + NaC2H3O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Pb{2+} + CrO4{2-} = PbCrO4 =>
Pb{2+} + CrO4{2-} = PbCrO4
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
C5H5N + O2 = CO2 + H20 + N2 =>
4 C5H5N + 20 O2 = 20 CO2 + H20 + 2 N2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
H + O = H2O =>
2 H + O = H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Al + KNO2 + KOH + H2O = K3[Al(OH)6] + NH3 =>
2 Al + KNO2 + 5 KOH + 5 H2O = 2 K3[Al(OH)6] + NH3
Zn + NO3{-} + H{+} = Zn{2+} + N2 + H2O =>
5 Zn + 2 NO3{-} + 12 H{+} = 5 Zn{2+} + N2 + 6 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
[HgCl4{2-}] + Sn{2+} = Hg + Sn{4+} + Cl{-} =>
[HgCl4{2-}] + Sn{2+} = Hg + Sn{4+} + 4 Cl{-}
Na2S + Zn(NO3)2 = ZnS + NaNO3 =>
Na2S + Zn(NO3)2 = ZnS + 2 NaNO3
SrCl2 + H2SO4 = SrSO4 + HCl =>
SrCl2 + H2SO4 = SrSO4 + 2 HCl
Na2S + Zn(NO3)2 = ZnS + NaNO3 =>
Na2S + Zn(NO3)2 = ZnS + 2 NaNO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/05/11
Équations équilibrées sur04/04/10
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