| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mg(HCO3)2 + H2SO4 = MgSO4 + H2(HCO3)2
Be(OH)2 + Sr(OH)2 = Sr[Be(OH)4] =>
Be(OH)2 + Sr(OH)2 = Sr[Be(OH)4]
KMnO4 + H2SO4 = MnSO4 + H2O + O2 + K2SO4 =>
4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 6 H2O + 5 O2 + 2 K2SO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
FeC3 + Zn = ZnC2 + Fe =>
2 FeC3 + 3 Zn = 3 ZnC2 + 2 Fe
Br2 + H2C2O4 = HBr + CO2 =>
Br2 + H2C2O4 = 2 HBr + 2 CO2
((NH4)3PO4) = H3PO4 + NH3 =>
((NH4)3PO4) = H3PO4 + 3 NH3
ClO + H2O = HClO + HClO3 =>
4 ClO + 2 H2O = 3 HClO + HClO3
HNO3Na2SO3 = HSO3Na2NO3 =>
HNO3Na2SO3 = HSO3Na2NO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
SrCO3 + SO2 + O2 = SrSO4 + CO2 =>
2 SrCO3 + 2 SO2 + O2 = 2 SrSO4 + 2 CO2
Na + MgF2 = NaF + Mg =>
2 Na + MgF2 = 2 NaF + Mg
Pb(aq) + Cl(aq) = Pb(s)Cl2(s) =>
Pb(aq) + 2 Cl(aq) = Pb(s)Cl2(s)
NH4 + Sr(NO3)2 = Sr + NH4(NO3)2 =>
NH4 + Sr(NO3)2 = Sr + NH4(NO3)2
MnSO4 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + Na2SO4 + NaNO3 + H2O =>
2 MnSO4 + 5 NaBiO3 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + 2 Na2SO4 + NaNO3 + 7 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NH3NO3 + Ba(OH)2 = NH3OH + Ba(NO3)2 =>
2 NH3NO3 + Ba(OH)2 = 2 NH3OH + Ba(NO3)2
CuS + H2 = Cu + H2S =>
CuS + H2 = Cu + H2S
NaN3(s) + SiO2(s) + KNO3(s) = Na4SiO4(s) + K4SiO4(s) + N2(g) =>
20 NaN3(s) + 6 SiO2(s) + 4 KNO3(s) = 5 Na4SiO4(s) + K4SiO4(s) + 32 N2(g)
C6H5CH2CH2NH2*HCl + CH3COCH3 + HCOH = C6H5CH2CH2N(CH2CH2)2CO + HCl + H2O =>
C6H5CH2CH2NH2*HCl + CH3COCH3 + 2 HCOH = C6H5CH2CH2N(CH2CH2)2CO + HCl + 2 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Na2(CO3)CuS = Na2SCu(CO3) =>
Na2(CO3)CuS = Na2SCu(CO3)
Al + CoCl2 = Cl2 + AlCo =>
Al + CoCl2 = Cl2 + AlCo
CaOH + NaCl2 = CaCl + Na(OH)2 =>
2 CaOH + NaCl2 = 2 CaCl + Na(OH)2
NaNO3 + Be + NaOH = NH3 + Na2BeO2 + H2O =>
NaNO3 + 4 Be + 7 NaOH = NH3 + 4 Na2BeO2 + 2 H2O
MgOH2HCl = H3OMgCl =>
MgOH2HCl = H3OMgCl
C11H15NO2 + C6H10O3 = C15H17NO3 + H2O + C2H6 =>
7 C11H15NO2 + 6 C6H10O3 = 7 C15H17NO3 + 11 H2O + 4 C2H6
Zn(OH)2 + MnSO4 = ZnSO4 + Mn(OH)2 =>
Zn(OH)2 + MnSO4 = ZnSO4 + Mn(OH)2
Al + S = Al2S3(S) =>
2 Al + 4 S = Al2S3(S)
FeSO4 + NaClO4 + NaOH = Na2FeO4 + Cl2 + Na2SO4 + H2O =>
7 FeSO4 + 4 NaClO4 + 24 NaOH = 7 Na2FeO4 + 2 Cl2 + 7 Na2SO4 + 12 H2O
MnO + NaOH = Mn(OH)2 + Na2O =>
MnO + 2 NaOH = Mn(OH)2 + Na2O
In2O3 = In(s) + O2(g) =>
2 In2O3 = 4 In(s) + 3 O2(g)
Cu(SO4) + Ba(OH)2 = Cu(OH)2 + Ba(SO4) =>
Cu(SO4) + Ba(OH)2 = Cu(OH)2 + Ba(SO4)
Bi(NO3)3 + H2S = BiH3 + S(NO3)2 =>
2 Bi(NO3)3 + 3 H2S = 2 BiH3 + 3 S(NO3)2
Sr(OH)2(s) + H3PO4(g) = Sr3(PO4)2(s) + H2O(g) =>
3 Sr(OH)2(s) + 2 H3PO4(g) = Sr3(PO4)2(s) + 6 H2O(g)
Mg2SiO4 + Al2SiO5 = Mg2Al4Si5O18 + MgAl2O4 =>
5 Mg2SiO4 + 10 Al2SiO5 = 3 Mg2Al4Si5O18 + 4 MgAl2O4
H2 = H8 =>
4 H2 = H8
ZnCl2 + (NH4)2S = ZnS + (NH4)Cl =>
ZnCl2 + (NH4)2S = ZnS + 2(NH4)Cl
Br2 + Cr(OH)3 + OH{-} = Br{-} + CrO4{2-} + H2O =>
3 Br2 + 2 Cr(OH)3 + 10 OH{-} = 6 Br{-} + 2 CrO4{2-} + 8 H2O
HNO3 + K2SO3 = KNO3 + SO2 + H2O =>
2 HNO3 + K2SO3 = 2 KNO3 + SO2 + H2O
O + Si(s) + Na(aq) = Na4SiO4(s) =>
4 O + Si(s) + 4 Na(aq) = Na4SiO4(s)
HNO3 + Be(OH)2 = HOH + Be(NO3)2 =>
2 HNO3 + Be(OH)2 = 2 HOH + Be(NO3)2
Zn(CO3)1 + H3PO4 = Zn3(PO4)2 + H2CO3 =>
3 Zn(CO3)1 + 2 H3PO4 = Zn3(PO4)2 + 3 H2CO3
C2HMgBrCH3CHO = C4H5OMgBr =>
C2HMgBrCH3CHO = C4H5OMgBr
CaCl2(aq) + Na2CO3(aq) = NaCl(aq) + CaCO3 =>
CaCl2(aq) + Na2CO3(aq) = 2 NaCl(aq) + CaCO3
KC8H5O4 + NaOH = NaKC8H4O4 + H2O =>
KC8H5O4 + NaOH = NaKC8H4O4 + H2O
KNO3(aq) + PbI2(s) = KI(aq) + Pb(NO3)2(aq) =>
2 KNO3(aq) + PbI2(s) = 2 KI(aq) + Pb(NO3)2(aq)
Zn(s) + HNO3(aq) = Zn(NO3) + H2O + N2O(g) =>
8 Zn(s) + 10 HNO3(aq) = 8 Zn(NO3) + 5 H2O + N2O(g)
SO4{2-} + C2H3O2{-} + H{+} = HS{-} + CO2 + H2O =>
SO4{2-} + C2H3O2{-} + 2 H{+} = HS{-} + 2 CO2 + 2 H2O
SO2 + CaOH2 = CaSO2 + H2O =>
SO2 + CaOH2 = CaSO2 + H2O
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Équations équilibrées sur12/10/24
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