| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu(NO3)2(aq)BaCl2(aq) = CuCl2(aq)Ba(NO3)2(aq)
Fe(NO3)3(aq) + K4[Fe(CN)6](aq) = Fe4[Fe(CN)6]3(s) + KNO3(aq) =>
4 Fe(NO3)3(aq) + 3 K4[Fe(CN)6](aq) = Fe4[Fe(CN)6]3(s) + 12 KNO3(aq)
FeO + C = Fe + CO =>
FeO + C = Fe + CO
Na2WO4 + H2S = Na2WO3S + H2O =>
Na2WO4 + H2S = Na2WO3S + H2O
CuSO4 + O2 = CuSO4O2 =>
CuSO4 + O2 = CuSO4O2
H2S + HClO4 = ClO3{+} + S{-2} + H2O =>
H2S + 2 HClO4 = 2 ClO3{+} + S{-2} + 2 H2O
NaAlO2 + H2O + Al2(SO4)3 = AlOOH + Na2SO4 =>
6 NaAlO2 + 4 H2O + Al2(SO4)3 = 8 AlOOH + 3 Na2SO4
[Ca(NH3)4](OH)2 + H2SO4 = CaSO4 + NH3 + H2O =>
[Ca(NH3)4](OH)2 + H2SO4 = CaSO4 + 4 NH3 + 2 H2O
Pb(NO3)2(aq) + CuSO4(aq) = PbSO4(s) + Cu(NO3)2(aq) =>
Pb(NO3)2(aq) + CuSO4(aq) = PbSO4(s) + Cu(NO3)2(aq)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaAl(CN3)4 = NaCN + AlN + C3N4 + N2 =>
NaAl(CN3)4 = NaCN + AlN + C3N4 + 3 N2
Ni(s) + H2SO4(aq) = NiSO4(aq) + H2(g) =>
Ni(s) + H2SO4(aq) = NiSO4(aq) + H2(g)
NaBr + Cr(NO3)3 = NaNO3 + CrBr3 =>
3 NaBr + Cr(NO3)3 = 3 NaNO3 + CrBr3
Cu(OH)2KOH = CuOHK(OH)2 =>
Cu(OH)2KOH = CuOHK(OH)2
CuH2 + H2O = CuO + H2 =>
CuH2 + H2O = CuO + 2 H2
Ag(NH3)2 + HNO3 = Ag(NO3)2 + NH4 =>
Ag(NH3)2 + 2 HNO3 = Ag(NO3)2 + 2 NH4
AgBr + NH3 = Ag(NH3)2{+} + Br{-} =>
AgBr + 2 NH3 = Ag(NH3)2{+} + Br{-}
Cu(ii)AgNO3 = CuNO3Ag =>
Cu(ii)AgNO3 = CuNO3Ag
SICl4 + H2O = H4SIO4 + HCl =>
SICl4 + 4 H2O = H4SIO4 + 4 HCl
PCl3 + CH3OH = C3H9O3P + HCl =>
PCl3 + 3 CH3OH = C3H9O3P + 3 HCl
Ni(NO3)2 + NH3 = Ni(NH3)6 + NO3 =>
Ni(NO3)2 + 6 NH3 = Ni(NH3)6 + 2 NO3
Ca(HCO3)2 + HCl = CaCl2 + CO2 + H2O =>
Ca(HCO3)2 + 2 HCl = CaCl2 + 2 CO2 + 2 H2O
CrSO4 + NaMnO4 + H2SO4 = Cr2(SO4)3 + MnSO4 + Na2SO4 + H2O =>
10 CrSO4 + 2 NaMnO4 + 8 H2SO4 = 5 Cr2(SO4)3 + 2 MnSO4 + Na2SO4 + 8 H2O
Cu(s)NiCl2(s) = CuCl2(aq)Ni(s) =>
Cu(s)NiCl2(s) = CuCl2(aq)Ni(s)
K4Fe(CN)6 + Fe(OH)3 = Fe4(Fe(CN)6)3 + KOH =>
3 K4Fe(CN)6 + 4 Fe(OH)3 = Fe4(Fe(CN)6)3 + 12 KOH
Cu(s)Pb(NO3)2(aq) = Cu(NO3)2Pb(s) =>
Cu(s)Pb(NO3)2(aq) = Cu(NO3)2Pb(s)
H + Se2 = H2Se =>
4 H + Se2 = 2 H2Se
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
Cu + Al2O3 = Al + CuO =>
3 Cu + Al2O3 = 2 Al + 3 CuO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ba + NaOH = Ba(OH) + Na =>
Ba + NaOH = Ba(OH) + Na
Zn + AgNO3 = AgZn + NO3 =>
Zn + AgNO3 = AgZn + NO3
H2SO4 + Ba(C2H3O2)2 = BaSO4 + HC2H3O2 =>
H2SO4 + Ba(C2H3O2)2 = BaSO4 + 2 HC2H3O2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
As2O3 + C = CO2 + As =>
2 As2O3 + 3 C = 3 CO2 + 4 As
Cu + N = CuN =>
Cu + N = CuN
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
NaAuO2 + H2O2 = Au + NaOH + O2 =>
2 NaAuO2 + H2O2 = 2 Au + 2 NaOH + 2 O2
HCO3 + OH = H2OCO3 =>
HCO3 + OH = H2OCO3
Cu + PbSO4 = Cu2SO4 + Pb =>
2 Cu + PbSO4 = Cu2SO4 + Pb
As2S3 + ClO3{-} + H2O = AsO4{3-} + S + Cl{-} + H{+} =>
3 As2S3 + 5 ClO3{-} + 9 H2O = 6 AsO4{3-} + 9 S + 5 Cl{-} + 18 H{+}
Na3[Cr(OH)6] + PbO2 + NaOH = Na2[Pb(OH)3] + Na2CrO4 + H2O =>
Na3[Cr(OH)6] + PbO2 + NaOH = Na2[Pb(OH)3] + Na2CrO4 + 2 H2O
C6H14 = C3H8 + C3H4 =>
2 C6H14 = 3 C3H8 + C3H4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H3PO4 + Fe(HO)2 = Fe3(PO4)2 + H2O =>
2 H3PO4 + 3 Fe(HO)2 = Fe3(PO4)2 + 6 H2O
NO + C = N2 + CO2 =>
2 NO + C = N2 + CO2
C6H18O3 + O2 = CO2 + H2O =>
C6H18O3 + 9 O2 = 6 CO2 + 9 H2O
K2SO4 + Ba(NO3)2 = BaSO4 + K(NO3) =>
K2SO4 + Ba(NO3)2 = BaSO4 + 2 K(NO3)
W{3+} + Ce{4+} + H2O = WO4{2-} + Ce{3+} + H{+} =>
W{3+} + 3 Ce{4+} + 4 H2O = WO4{2-} + 3 Ce{3+} + 8 H{+}
Ca(OH)2 + H2SO3 = Ca(HSO3)2 + H2O =>
Ca(OH)2 + 2 H2SO3 = Ca(HSO3)2 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/02/25
Équations équilibrées sur03/04/24
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