| Équations équilibrées la veille | Équations équilibrées le lendemain |
Co(NO3)2(aq) + Na2CO3(aq) = CoCO3(s) + 2 NaNO3(aq)
K2Cr2O7 + NaOH = K2CrO4 + Na2CrO4 + H2O =>
K2Cr2O7 + 2 NaOH = K2CrO4 + Na2CrO4 + H2O
Fe(OH)2 + H3PO4 = Fe3(PO4)2 + H2O =>
3 Fe(OH)2 + 2 H3PO4 = Fe3(PO4)2 + 6 H2O
Cr(OH)3 + OBr{-} + OH{-} = CrO4{-2} + Br{-} + H2O =>
2 Cr(OH)3 + 3 OBr{-} + 4 OH{-} = 2 CrO4{-2} + 3 Br{-} + 5 H2O
KMnO4 + H2C2O4 + HCl = MnCl2 + CO2 + KCl + H2O =>
2 KMnO4 + 5 H2C2O4 + 6 HCl = 2 MnCl2 + 10 CO2 + 2 KCl + 8 H2O
K2Cr2O7 + CH3CH2CH2OH + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
3 K2Cr2O7 + CH3CH2CH2OH + 12 H2SO4 = 3 K2SO4 + 3 Cr2(SO4)3 + 3 CO2 + 16 H2O
As + Cl = AsCl3 =>
As + 3 Cl = AsCl3
Zn + NO3{-} + H2O = Zn{2+} + NH3 + OH{-} =>
4 Zn + NO3{-} + 6 H2O = 4 Zn{2+} + NH3 + 9 OH{-}
NH2 + (CH3CO)2O = HNCOCH3 + CH3COOH =>
NH2 + (CH3CO)2O = HNCOCH3 + CH3COOH
Ca(s) + NaOH(aq) = Na(s) + Ca(OH)2(aq) =>
Ca(s) + 2 NaOH(aq) = 2 Na(s) + Ca(OH)2(aq)
NaOH + NaNO2 + Al + H2O = NH3 + NaAlO2 =>
NaOH + NaNO2 + 2 Al + H2O = NH3 + 2 NaAlO2
K2C2O4*H2O + FeCl3 = FeK3(C2O4)3H2O + KCl + H2O =>
3 K2C2O4*H2O + FeCl3 = FeK3(C2O4)3H2O + 3 KCl + 2 H2O
Al + NaNO3 = Al(NO3)3 + Na =>
Al + 3 NaNO3 = Al(NO3)3 + 3 Na
FeCl2(aq) + K2S(aq) = FeS + KCl =>
FeCl2(aq) + K2S(aq) = FeS + 2 KCl
CH3OH + H2SO4 = (CH3)2SO4 + H2O =>
2 CH3OH + H2SO4 = (CH3)2SO4 + 2 H2O
C6H5CH2OH + K2Cr2O7 + H2SO4 = C6H5CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5CH2OH + K2Cr2O7 + 4 H2SO4 = 3 C6H5CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
Pt + HNO3 = Pt(NO3)2 + NO2 + H2O =>
Pt + 4 HNO3 = Pt(NO3)2 + 2 NO2 + 2 H2O
FeCl2 + H2O + FeCl3 = Fe3O4 + HCl =>
FeCl2 + 4 H2O + 2 FeCl3 = Fe3O4 + 8 HCl
Ca(H2Po4)2 + Ca(OH)2 = CaHPo4 + H2O =>
Ca(H2Po4)2 + Ca(OH)2 = 2 CaHPo4 + 2 H2O
Sr(NO3)2 + Fe(NO3)3*9H2O + C6H8O7 = SrFe12O19 + NO2 + CO2 + H2O =>
9 Sr(NO3)2 + 108 Fe(NO3)3*9H2O + 19 C6H8O7 = 9 SrFe12O19 + 342 NO2 + 114 CO2 + 1048 H2O
Mg + Pb{2+} = Mg{2+} + Pb =>
Mg + Pb{2+} = Mg{2+} + Pb
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
BCl3 + H2O = H3BO3 + HCl =>
BCl3 + 3 H2O = H3BO3 + 3 HCl
C2H3N + O2 = CO + H2O + NO2 =>
4 C2H3N + 11 O2 = 8 CO + 6 H2O + 4 NO2
Al(NO3)3 + KOH = Al(OH)3 + KNO3 =>
Al(NO3)3 + 3 KOH = Al(OH)3 + 3 KNO3
Fe2 + O3 = FeO =>
3 Fe2 + 2 O3 = 6 FeO
Ag(NH3) + HNO3 = Ag(NO3) + NH4 =>
Ag(NH3) + HNO3 = Ag(NO3) + NH4
HCn + H2O = Cn + H3O =>
HCn + H2O = Cn + H3O
Fe + NH3 = FeN + H2 =>
2 Fe + 2 NH3 = 2 FeN + 3 H2
KAl(OH)4 + H2C2O4 + KOH = K3Al(C2O4)3*3H2O + H2O =>
KAl(OH)4 + 3 H2C2O4 + 2 KOH = K3Al(C2O4)3*3H2O + 3 H2O
PbSO4 + HNO3 = Pb(NO3)2 + H2SO4 =>
PbSO4 + 2 HNO3 = Pb(NO3)2 + H2SO4
CH3OH + C4H8 = (CH3)3COCH3 =>
CH3OH + C4H8 = (CH3)3COCH3
AsO3{-3} + BrO3{-} = AsO4{-3} + Br{-} =>
3 AsO3{-3} + BrO3{-} = 3 AsO4{-3} + Br{-}
Cu + MgO = Cu2O3 + Mg =>
2 Cu + 3 MgO = Cu2O3 + 3 Mg
AgNO3(aq) + MgSO4(aq) = Ag2SO4 + Mg(NO3)2 =>
2 AgNO3(aq) + MgSO4(aq) = Ag2SO4 + Mg(NO3)2
K2CrO4 + Na2S + H2O = Cr(OH)3 + S + NaOH + KOH =>
2 K2CrO4 + 3 Na2S + 8 H2O = 2 Cr(OH)3 + 3 S + 6 NaOH + 4 KOH
C6H5CH3 + Br2 = C6H5CH2Br + HBr =>
C6H5CH3 + Br2 = C6H5CH2Br + HBr
BiCl3 + HNO3 = Bi(NO3)5 + NO + HCl + H2O =>
3 BiCl3 + 17 HNO3 = 3 Bi(NO3)5 + 2 NO + 9 HCl + 4 H2O
BaCl2(aq) + Na3PO4 = Ba3(PO4)2(s) + NaCl(aq) =>
3 BaCl2(aq) + 2 Na3PO4 = Ba3(PO4)2(s) + 6 NaCl(aq)
Na2C2O4 + HCl = NaCl + H2C2O4 =>
Na2C2O4 + 2 HCl = 2 NaCl + H2C2O4
AlH3O3 + H2SO4 = Al2(SO4)3 + H2O =>
2 AlH3O3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C5H8 + KMnO4 + H2SO4 = C5H8O2 + K2SO4 + MnSO4 + H2O =>
5 C5H8 + 4 KMnO4 + 6 H2SO4 = 5 C5H8O2 + 2 K2SO4 + 4 MnSO4 + 6 H2O
NaC2H3O2 + H2SO4 = Na2SO4 + CH3COOH =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 CH3COOH
Al + H2O = AlOH + H2 =>
2 Al + 2 H2O = 2 AlOH + H2
MgCl2(aq) + Ca(OH)2(aq) = Mg(OH)2 + CaCl2(aq) =>
MgCl2(aq) + Ca(OH)2(aq) = Mg(OH)2 + CaCl2(aq)
As + H2O = H2AsO4 + AsH3 =>
3 As + 4 H2O = H2AsO4 + 2 AsH3
C + Ca(OH)2 = CO2 + Ca + H2 =>
C + Ca(OH)2 = CO2 + Ca + H2
Cr(OH)2 + HNO3 = Cr(NO3)3 + NO + H2O =>
3 Cr(OH)2 + 10 HNO3 = 3 Cr(NO3)3 + NO + 8 H2O
P4 + KOH = POH + K =>
P4 + 4 KOH = 4 POH + 4 K
C6H10O5 + CuO = CO2 + H2O + Cu =>
C6H10O5 + 12 CuO = 6 CO2 + 5 H2O + 12 Cu
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/24
Équations équilibrées sur11/22/23
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