| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Na + O2 = 2 Na2O
Fe + NaCl = FeCl1 + Na =>
Fe + NaCl = FeCl1 + Na
Fe(s) + Cd(NO3)(aq) = Fe(NO3)3(aw) + Cd(s) =>
Fe(s) + 3 Cd(NO3)(aq) = Fe(NO3)3(aw) + 3 Cd(s)
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
Cl2 + H2 + O2 = HClO4 =>
Cl2 + H2 + 4 O2 = 2 HClO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
PbO = Pb + O =>
PbO = Pb + O
Pb + Cu{2+} = Pb{+} + Cu =>
2 Pb + Cu{2+} = 2 Pb{+} + Cu
NH4Cl + HCl = NH4H + Cl =>
NH4Cl + HCl = NH4H + 2 Cl
NH4Cl + NaF = NH4F + NaCl =>
NH4Cl + NaF = NH4F + NaCl
Na2SO3 + CrCl3 + H2O = NaCl + Cr(OH)3 + SO2 =>
3 Na2SO3 + 2 CrCl3 + 3 H2O = 6 NaCl + 2 Cr(OH)3 + 3 SO2
CuNO3 + H2O = CuNH2O4 =>
CuNO3 + H2O = CuNH2O4
Si + HCl = SiCl2 + H =>
Si + 2 HCl = SiCl2 + 2 H
C6H5CHO + KMnO4 + KOH = K2MnO4 + H2O + C6H5COOH =>
C6H5CHO + 2 KMnO4 + 2 KOH = 2 K2MnO4 + H2O + C6H5COOH
Fe(s) + Cd(NO3)(aq) = Fe(NO3)3(aw) + Cd(s) =>
Fe(s) + 3 Cd(NO3)(aq) = Fe(NO3)3(aw) + 3 Cd(s)
Al + CO2 = Al2O3 + CO =>
2 Al + 3 CO2 = Al2O3 + 3 CO
P + S = S3P2 =>
2 P + 3 S = S3P2
P4 + KClO3 = KCl + P2O3 =>
P4 + 2 KClO3 = 2 KCl + 2 P2O3
KI + Ba{2+} = K{+} + BaI2 =>
2 KI + Ba{2+} = 2 K{+} + BaI2
Al + HAsO3 = H2 + Al(AsO3)3 =>
2 Al + 6 HAsO3 = 3 H2 + 2 Al(AsO3)3
CuNO3 + H2O = CuNH2O4 =>
CuNO3 + H2O = CuNH2O4
KO2 + O2 = KO3 =>
2 KO2 + O2 = 2 KO3
C[H]4 + [H]2O = CO + [H]2 =>
C[H]4 + [H]2O = CO + 3[H]2
Fe(s) + Cd(NO3)(aq) = Fe(NO3)3(aw) + Cd(s) =>
Fe(s) + 3 Cd(NO3)(aq) = Fe(NO3)3(aw) + 3 Cd(s)
P + S = S3P2 =>
2 P + 3 S = S3P2
Cl2 + K2SO4 + H2SO4 = S + KClO3 + H2O =>
3 Cl2 + 3 K2SO4 + 2 H2SO4 = 5 S + 6 KClO3 + 2 H2O
NaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNa3 + Au7O8 = Na8Au12 + O3 =>
56 NaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNaNa3 + 564 Au7O8 = 329 Na8Au12 + 1504 O3
KO2 + O2 = KO3 =>
2 KO2 + O2 = 2 KO3
Na2SO3 + CrCl3 + H2O = NaCl + Cr(OH)3 + SO2 =>
3 Na2SO3 + 2 CrCl3 + 3 H2O = 6 NaCl + 2 Cr(OH)3 + 3 SO2
H + O2 = HO3 =>
2 H + 3 O2 = 2 HO3
Na3[Al(OH)6] + CO2 = Al(OH)3 + H2O + Na2CO3 =>
2 Na3[Al(OH)6] + 3 CO2 = 2 Al(OH)3 + 3 H2O + 3 Na2CO3
Na2CrO4 + Mg(OH)2 = NaOH + MgCrO4 =>
Na2CrO4 + Mg(OH)2 = 2 NaOH + MgCrO4
P4 + KClO3 = KCl + P2O3 =>
P4 + 2 KClO3 = 2 KCl + 2 P2O3
PbS + HNO3 = PbSO3 + NO + H2O =>
PbS + 2 HNO3 = PbSO3 + 2 NO + H2O
Fe(s) + Cd(NO3)(aq) = Fe(NO3)3(aw) + Cd(s) =>
Fe(s) + 3 Cd(NO3)(aq) = Fe(NO3)3(aw) + 3 Cd(s)
HClO3 + As2S5 + H2O = HCl + H3AsO8 + S =>
13 HClO3 + 3 As2S5 + 9 H2O = 13 HCl + 6 H3AsO8 + 15 S
CH3CHO + H2O = CH3CH2 + O2 =>
4 CH3CHO + 2 H2O = 4 CH3CH2 + 3 O2
Zn(SO3)2 + H2SO4 = ZnSO4 + HSO3 =>
Zn(SO3)2 + H2SO4 = ZnSO4 + 2 HSO3
Zn(s) + Al{3+} = Zn{2+} + Al(s) =>
3 Zn(s) + 2 Al{3+} = 3 Zn{2+} + 2 Al(s)
KCl + NH3 + H2O = NH4Cl + K2O =>
2 KCl + 2 NH3 + H2O = 2 NH4Cl + K2O
CaSO4 + C = CO2 + CaS =>
CaSO4 + 2 C = 2 CO2 + CaS
CuI + HNO3 = Cu2NO3 + H2IO3 + NO =>
2 CuI + 4 HNO3 = Cu2NO3 + 2 H2IO3 + 3 NO
Na2CrO4 + Mg(OH)2 = NaOH + MgCrO4 =>
Na2CrO4 + Mg(OH)2 = 2 NaOH + MgCrO4
Fe(s) + H2O(l) = FeO4(s) + H2(g) =>
Fe(s) + 4 H2O(l) = FeO4(s) + 4 H2(g)
Au(OH)3 + HIO4 = Au(IO4)3 + H2O =>
Au(OH)3 + 3 HIO4 = Au(IO4)3 + 3 H2O
J2 + O2 = JO2 =>
J2 + 2 O2 = 2 JO2
P + S = S3P2 =>
2 P + 3 S = S3P2
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
CuNO3 + H2O = CuNH2O4 =>
CuNO3 + H2O = CuNH2O4
Na2S + SO2 = Na2SO4 + S8 =>
4 Na2S + 8 SO2 = 4 Na2SO4 + S8
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Équations équilibrées sur12/10/24
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