| Équations équilibrées la veille |
3 Br2 + 2 Ce = 2 Ce{3+} + 6 Br{-}
Mg(NO3)2 + FeBr3 = Fe(NO3)3 + MgBr2 =>
3 Mg(NO3)2 + 2 FeBr3 = 2 Fe(NO3)3 + 3 MgBr2
Cr{3} + S{2-} = Cr2S3 =>
2 Cr{3} + 3 S{2-} = Cr2S3
CO + Al2O3 = Al + CO2 =>
3 CO + Al2O3 = 2 Al + 3 CO2
CsOH + H2SO4 = Cs2(SO4) + H2O =>
2 CsOH + H2SO4 = Cs2(SO4) + 2 H2O
CH4 + Na2O = NaH + C2H4 + H2O =>
2 CH4 + Na2O = 2 NaH + C2H4 + H2O
N2O5(g) + H2O = HNO3 =>
N2O5(g) + H2O = 2 HNO3
O2 + FeO = FeO4 =>
3 O2 + 2 FeO = 2 FeO4
Ca(OH)2 + H3CrO3 = (CaOH)3CrO3 + H2O =>
3 Ca(OH)2 + H3CrO3 = (CaOH)3CrO3 + 3 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NaOH + K2Cr2O7 = H2O + K2CrO4 + Na2CrO4 =>
2 NaOH + K2Cr2O7 = H2O + K2CrO4 + Na2CrO4
H3BO3 + NaOH = NaBO3 + H3OH =>
H3BO3 + NaOH = NaBO3 + H3OH
KMnO4 + H2SO4 + HOOCCOOH = MnSO4 + K2SO4 + H2O + CO2 =>
2 KMnO4 + 3 H2SO4 + 5 HOOCCOOH = 2 MnSO4 + K2SO4 + 8 H2O + 10 CO2
CH3CHCHCH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3CHCHCH2 + 5 KMnO4 + 19 H2O = 5 MnO2 + 12 CH3CH(OH)CH2(OH) + 5 KOH
Ba(H2AsO4)2 + Ba(OH)2 = Ba3(AsO4)2 + H2O =>
Ba(H2AsO4)2 + 2 Ba(OH)2 = Ba3(AsO4)2 + 4 H2O
[CH3Hg(H2O)]{+} + HBr = CH3HgBr + H3O{+} =>
[CH3Hg(H2O)]{+} + HBr = CH3HgBr + H3O{+}
[Fe(H2O)6]Cl3 + K3[Fe(CN)6] = Fe3[Fe(CN)6]3 + KCl + H2O =>
3[Fe(H2O)6]Cl3 + 3 K3[Fe(CN)6] = Fe3[Fe(CN)6]3 + 9 KCl + 18 H2O
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
HI + NaNO3 = NaI + HNO3 =>
HI + NaNO3 = NaI + HNO3
BiCl3 + NH4OH = NH4Cl + Bi(OH)3 =>
BiCl3 + 3 NH4OH = 3 NH4Cl + Bi(OH)3
HCl + NH2CH2COOH = NH3CH2COOHCl =>
HCl + NH2CH2COOH = NH3CH2COOHCl
O + Co = CoO =>
O + Co = CoO
GeI2 + H2O = GeO2 + I2 + H2 =>
GeI2 + 2 H2O = GeO2 + I2 + 2 H2
NaOH + PbSO4 = Pb(OH)2 + Na2SO4 =>
2 NaOH + PbSO4 = Pb(OH)2 + Na2SO4
HC + O2 = CO2 + OH2 =>
4 HC + 5 O2 = 4 CO2 + 2 OH2
Co(s) + HNO3(aq) = Co(NO3)2(aq) + H2O(l) + NO(q) =>
3 Co(s) + 8 HNO3(aq) = 3 Co(NO3)2(aq) + 4 H2O(l) + 2 NO(q)
AlOH + HSO4 = AlSO4 + HOH =>
AlOH + HSO4 = AlSO4 + HOH
Iron(ii)chloride + chlorine = iron(iii)chloride =>
2 FeCl2 + Cl2 = 2 FeCl3
NH4SO4 + NiCl = NiNH4 + ClSO4 =>
NH4SO4 + NiCl = NiNH4 + ClSO4
CuSO4 + NaHCO3 = CuCO3*Cu(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4 + 4 NaHCO3 = CuCO3*Cu(OH)2 + 2 Na2SO4 + 3 CO2 + H2O
CH4(g) + O2(g) = (CH4)2O(g) =>
4 CH4(g) + O2(g) = 2(CH4)2O(g)
NaBiO3 + MnSO4 + HNO3 = HMnO4 + Bi(NO3)3 + Na2SO4 + NaNO3 + H2O =>
5 NaBiO3 + 2 MnSO4 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + 2 Na2SO4 + NaNO3 + 7 H2O
Ni + NaClO4 + H2O = NaClO2 + Ni(OH)2 =>
2 Ni + NaClO4 + 2 H2O = NaClO2 + 2 Ni(OH)2
SO4 + PB = PBSO4 =>
SO4 + PB = PBSO4
SiO2 + PbO = PbSi + O2 =>
2 SiO2 + 2 PbO = 2 PbSi + 3 O2
Mg(OH)2(aq) + Na2CO3(aq) = MgCO3(s) + NaOH(aq) =>
Mg(OH)2(aq) + Na2CO3(aq) = MgCO3(s) + 2 NaOH(aq)
AlNi + Br3 = AlBr2 + Ni =>
3 AlNi + 2 Br3 = 3 AlBr2 + 3 Ni
C2H3O2 + NaCHO3 = H2O + NaC2H3O2 + CO2 =>
8 C2H3O2 + 7 NaCHO3 = 5 H2O + 7 NaC2H3O2 + 9 CO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Na2Co3 + Zn(NO3)2 = Na(NO3) + Co3Zn =>
Na2Co3 + Zn(NO3)2 = 2 Na(NO3) + Co3Zn
H2O + CO2 = O2 + C16H10 =>
10 H2O + 32 CO2 = 37 O2 + 2 C16H10
H2S + CaCO3 + H2O = CaSO4*2H2O + CH4 =>
H2S + CaCO3 + 3 H2O = CaSO4*2H2O + CH4
Cr2S3 + Mn(NO3)2 + Na2CO3 = Na2SO4 + Na2CrO4 + Na2MnO4 + NO + CO2 =>
Cr2S3 + 15 Mn(NO3)2 + 20 Na2CO3 = 3 Na2SO4 + 2 Na2CrO4 + 15 Na2MnO4 + 30 NO + 20 CO2
N2 + K = K2N2 =>
N2 + 2 K = K2N2
Fe + Ni(NO3)3 = Fe(NO3)3 + Ni =>
Fe + Ni(NO3)3 = Fe(NO3)3 + Ni
N2O3 + KOH = KNO2 + H2O =>
N2O3 + 2 KOH = 2 KNO2 + H2O
NaHCO3 + C6H8O7 = C6H5Na3O9 + CO2 + H2O =>
27 NaHCO3 + 7 C6H8O7 = 9 C6H5Na3O9 + 15 CO2 + 19 H2O
C2H4O2 + NH3 = NH4 + C2H3O2 =>
C2H4O2 + NH3 = NH4 + C2H3O2
Na(s) + HOH(l) = NaOH(aq) + H2 =>
2 Na(s) + 2 HOH(l) = 2 NaOH(aq) + H2
Na2SiO3 + HC1 = NaC1 + H2SiO3 =>
Na2SiO3 + 2 HC1 = 2 NaC1 + H2SiO3
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Équations équilibrées sur01/09/25
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