| Équations équilibrées la veille |
3 SeCl2 = Se2Cl2 + SeCl4
FeSO4 + HBrO4 + H2SO4 = Fe2(SO4)3 + FeBr3 + H2O =>
48 FeSO4 + 6 HBrO4 + 21 H2SO4 = 23 Fe2(SO4)3 + 2 FeBr3 + 24 H2O
CaCo3 + Ar = CaCo3Ar =>
CaCo3 + Ar = CaCo3Ar
HSO3{-} + ClO3{-} = SO4{2-} + Cl{-} + H{+} =>
3 HSO3{-} + ClO3{-} = 3 SO4{2-} + Cl{-} + 3 H{+}
As2S3 + NaClO + NaOH = Na2AsO4 + NaCl + Na2SO4 + H2O =>
As2S3 + 15 NaClO + 10 NaOH = 2 Na2AsO4 + 15 NaCl + 3 Na2SO4 + 5 H2O
Li2O + Br2 = BrLi + O =>
Li2O + Br2 = 2 BrLi + O
Fe2O3 + CO(g) = Fe3O4 + CO2 =>
3 Fe2O3 + CO(g) = 2 Fe3O4 + CO2
KMnO4 + NaHSO3 + NaOH = K2SO4 + Na2MnO4 + H2O =>
2 KMnO4 + NaHSO3 + 3 NaOH = K2SO4 + 2 Na2MnO4 + 2 H2O
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
Mg(s) + FeCl2(aq) = MgCl2(aq) + Fe(s) =>
Mg(s) + FeCl2(aq) = MgCl2(aq) + Fe(s)
C7H6O2 + K2CO3 = H2O + K2C7H4 + CO2 =>
17 C7H6O2 + 15 K2CO3 = 21 H2O + 15 K2C7H4 + 29 CO2
AgNO3 + H3O{+} + Cl{-} = AgCl + H3O + NO3 =>
AgNO3 + H3O{+} + Cl{-} = AgCl + H3O + NO3
CH3C6H5NO2 + Fe + HCl = CH3C6H5NH4Cl + FeCl3 + H2O =>
3 CH3C6H5NO2 + 7 Fe + 24 HCl = 3 CH3C6H5NH4Cl + 7 FeCl3 + 6 H2O
[Co(NH3)6]Cl + Ag(H2O) = [Co(H2O)6]Cl + NH3 + Ag =>
[Co(NH3)6]Cl + 6 Ag(H2O) = [Co(H2O)6]Cl + 6 NH3 + 6 Ag
Pb(CH3COO)2 + H2C2O4 = CH3COOH + PbC2O4 =>
Pb(CH3COO)2 + H2C2O4 = 2 CH3COOH + PbC2O4
NaOH + H2SiO3 = Na3OHSiO3 + H2O =>
3 NaOH + H2SiO3 = Na3OHSiO3 + 2 H2O
H2SO4(ac) + KOH(ac) = K2SO4(ac) + H2O =>
H2SO4(ac) + 2 KOH(ac) = K2SO4(ac) + 2 H2O
CaOH2 + NO2 = Ca(NO2)2 + H2O =>
CaOH2 + 2 NO2 = Ca(NO2)2 + H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
FeO + CaCl2 = FeCl2 + CaO =>
FeO + CaCl2 = FeCl2 + CaO
CuO + Cl2 = Cu2Cl + O2 =>
4 CuO + Cl2 = 2 Cu2Cl + 2 O2
BaCrO4 + FeSO4 + H2SO4 = BaSO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
2 BaCrO4 + 6 FeSO4 + 8 H2SO4 = 2 BaSO4 + Cr2(SO4)3 + 3 Fe2(SO4)3 + 8 H2O
FeS + HCI = FeCI + SH =>
FeS + HCI = FeCI + SH
K + O2 = K2O =>
4 K + O2 = 2 K2O
CuO + NH3 + H2O = [Cu(NH3)4](OH)2 =>
CuO + 4 NH3 + H2O = [Cu(NH3)4](OH)2
K2Cr2O7 + K2HPO3 + H2O = Cr(OH)3 + K3PO4 + K2HPO4 =>
K2Cr2O7 + 3 K2HPO3 + 2 H2O = 2 Cr(OH)3 + 2 K3PO4 + K2HPO4
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
CuSO4 + Na2CO3 + H2O = (CuOH)2CO3 + NaHCO3 + Na2SO4 =>
2 CuSO4 + 3 Na2CO3 + 2 H2O = (CuOH)2CO3 + 2 NaHCO3 + 2 Na2SO4
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
KMnO4 + NaCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O + NaSO4 =>
4 KMnO4 + 10 NaCl + 16 H2SO4 = 5 Cl2 + 2 K2SO4 + 4 MnSO4 + 16 H2O + 10 NaSO4
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Fe(OH)2 + OH{-} + Br2 = Fe2O3 + H2O + Br{-} =>
2 Fe(OH)2 + 2 OH{-} + Br2 = Fe2O3 + 3 H2O + 2 Br{-}
BaO2 + HF = BaF2 + H2O2 =>
BaO2 + 2 HF = BaF2 + H2O2
HClO = HClO3 + HCl =>
3 HClO = HClO3 + 2 HCl
NaOH + P10O4 + H2O = Na3PO4 + H2 =>
30 NaOH + P10O4 + 6 H2O = 10 Na3PO4 + 21 H2
Sr + Na2CO3 = SrCO3 + Na =>
Sr + Na2CO3 = SrCO3 + 2 Na
Ca(OH)2 + (NH4)3(PO4) = Ca3(PO4)2 + NH4OH =>
3 Ca(OH)2 + 2(NH4)3(PO4) = Ca3(PO4)2 + 6 NH4OH
Hg2CrO4 + NaOH = Hg2OH + NaCrO4 =>
Hg2CrO4 + NaOH = Hg2OH + NaCrO4
CO2 + LiOH = Li2CO3 + H2O =>
CO2 + 2 LiOH = Li2CO3 + H2O
ZnFeS2 + O2 = Zn + FeO + SO2 =>
2 ZnFeS2 + 5 O2 = 2 Zn + 2 FeO + 4 SO2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Mg + SiN = MgN + Si =>
Mg + SiN = MgN + Si
SrCl2(aq) + Na2CO3(aq) = SrCO3(s) + NaCl =>
SrCl2(aq) + Na2CO3(aq) = SrCO3(s) + 2 NaCl
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
[Co(NH3)6]Cl + Ag(H2O) = [Co(H2O)6]Cl + NH3 + Ag =>
[Co(NH3)6]Cl + 6 Ag(H2O) = [Co(H2O)6]Cl + 6 NH3 + 6 Ag
CH3COOH + H2 = CH3CHO + H2O =>
CH3COOH + H2 = CH3CHO + H2O
NO2(g) + H2O = HNO3 + NO =>
3 NO2(g) + H2O = 2 HNO3 + NO
CaH2 + Cl2 = HCl + Ca =>
CaH2 + Cl2 = 2 HCl + Ca
Li2SO3 + Ca(NO3)2 = CaSO3 + Li(NO3) =>
Li2SO3 + Ca(NO3)2 = CaSO3 + 2 Li(NO3)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
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