| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K2CrO4 + 3 KNO2 + 5 H2O + 2 KOH = 3 KNO3 + 2 K3[Cr(OH)6]
Co2 + Mg = Co2Mg =>
Co2 + Mg = Co2Mg
Al2(CO3)3(s) + HCl(aq) = AlCl3(s) + CO2(g) + H2O(l) =>
Al2(CO3)3(s) + 6 HCl(aq) = 2 AlCl3(s) + 3 CO2(g) + 3 H2O(l)
KClO3(s)MnO2(s) = KCl + O2 + MnO2 =>
2 KClO3(s)MnO2(s) = 2 KCl + 3 O2 + 2 MnO2
ClF3 + Cu(OH)2 = CuF2 + CuCl2 + H2O + O2 =>
2 ClF3 + 4 Cu(OH)2 = 3 CuF2 + CuCl2 + 4 H2O + 2 O2
HNO3 = H2O + NO2 + O2 =>
4 HNO3 = 2 H2O + 4 NO2 + O2
Al + CuSO4H2O = Al2(SO4)3 + Cu + H2O =>
2 Al + 3 CuSO4H2O = Al2(SO4)3 + 3 Cu + 3 H2O
HNO3 + Cr(OH)3 = Cr + H2O + NO3 =>
3 HNO3 + Cr(OH)3 = Cr + 3 H2O + 3 NO3
NaAsO2 + H2O2 + NaOH = Na2OHAsO4 + H2O =>
NaAsO2 + 2 H2O2 + NaOH = Na2OHAsO4 + 2 H2O
SO2 + NaMnO4 + NaOH = Na2SO4 + H2O + Na2MnO2 =>
5 SO2 + 2 NaMnO4 + 12 NaOH = 5 Na2SO4 + 6 H2O + 2 Na2MnO2
BaSO4 + CuS = BaS + CuSO4 =>
BaSO4 + CuS = BaS + CuSO4
FeSO4 + Mg(HCO3)2 = Fe(OH)2 + MgSO4 + CO2 =>
FeSO4 + Mg(HCO3)2 = Fe(OH)2 + MgSO4 + 2 CO2
H3PO3 + Zn(OH)2 = Zn3(PO3)2 + H2O =>
2 H3PO3 + 3 Zn(OH)2 = Zn3(PO3)2 + 6 H2O
Cl2(l) + NaOH(l) = NaCl(l) + NaClO3(l) + H2O(l) =>
3 Cl2(l) + 6 NaOH(l) = 5 NaCl(l) + NaClO3(l) + 3 H2O(l)
NO + KClO3 + KOH = KNO3 + HCl =>
2 NO + KClO3 + KOH = 2 KNO3 + HCl
NaOH + MgCI2 = NaCI2 + MgOH =>
NaOH + MgCI2 = NaCI2 + MgOH
AlCl3 + Na2CO3 + H2O = H2CO3 + NaCl + Al(OH)3 =>
2 AlCl3 + 3 Na2CO3 + 6 H2O = 3 H2CO3 + 6 NaCl + 2 Al(OH)3
N(CH3)4I + I2 = N(CH3)4I3 =>
N(CH3)4I + I2 = N(CH3)4I3
Cu2SO4 + Ag3NO = Ag2SO4 + Cu3NO =>
3 Cu2SO4 + 2 Ag3NO = 3 Ag2SO4 + 2 Cu3NO
BaO + H2SO4 = BaSO4 + H2O =>
BaO + H2SO4 = BaSO4 + H2O
H3PO4(aq) + NaOH(aq) = Na2HPO4(aq) + H2O(l) =>
H3PO4(aq) + 2 NaOH(aq) = Na2HPO4(aq) + 2 H2O(l)
CuS + KCN + KOH = KCu(CN)2 + K2S + KCNO + H2O =>
2 CuS + 5 KCN + 2 KOH = 2 KCu(CN)2 + 2 K2S + KCNO + H2O
NO2 + H2O = NH3 + O2 =>
4 NO2 + 6 H2O = 4 NH3 + 7 O2
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
HCl + KF = HF + KCl =>
HCl + KF = HF + KCl
NiCl2 + Co(NO3)2 = Ni(NO3)2 + CoCl2 =>
NiCl2 + Co(NO3)2 = Ni(NO3)2 + CoCl2
CuCO3*Cu(OH)2 + H2SO4 = CuSO4 + H2O + CO2 =>
CuCO3*Cu(OH)2 + 2 H2SO4 = 2 CuSO4 + 3 H2O + CO2
(C)4(H)10 + (O)2 = C(O)2 + (H)2O =>
2(C)4(H)10 + 13(O)2 = 8 C(O)2 + 10(H)2O
FeCl3 + Na2S = FeCl2 + NaCl2 + S2 =>
8 FeCl3 + 2 Na2S = 8 FeCl2 + 4 NaCl2 + S2
PbBr4(s) = Pb(s) + Br2(l) =>
PbBr4(s) = Pb(s) + 2 Br2(l)
Se2Br2 + Br2 = SeBr4 =>
Se2Br2 + 3 Br2 = 2 SeBr4
Fe(NO3)2 = Fe3O4 + NO2 + O2 =>
3 Fe(NO3)2 = Fe3O4 + 6 NO2 + O2
KClO3(s)MnO2(s) = KCl + O2 + MnO2 =>
2 KClO3(s)MnO2(s) = 2 KCl + 3 O2 + 2 MnO2
Cu(HSO4)2 + NaNO2 = Cu(NO2)2 + NaHSO4 =>
Cu(HSO4)2 + 2 NaNO2 = Cu(NO2)2 + 2 NaHSO4
PH3 + O2 = P4O3 + H2O =>
8 PH3 + 9 O2 = 2 P4O3 + 12 H2O
Na2O2 + Fe = Na2O + Fe3O4 =>
4 Na2O2 + 3 Fe = 4 Na2O + Fe3O4
CH3COCH3 + CuCl2 = (CH3COCH3)2Cl + Cu =>
4 CH3COCH3 + CuCl2 = 2(CH3COCH3)2Cl + Cu
C3F6 + COS = SF6 + COC3 =>
C3F6 + COS = SF6 + COC3
Cr(OH)3 + H2O2 = Cr2O7{2-} + H{+} + H2O =>
2 Cr(OH)3 + 3 H2O2 = Cr2O7{2-} + 2 H{+} + 5 H2O
(NH4)2SO3 + Pb(NO3)2 = NH4NO3 + PbSO3 =>
(NH4)2SO3 + Pb(NO3)2 = 2 NH4NO3 + PbSO3
FeCl3 + NH4OH = FeOHNH4 + Cl3 =>
FeCl3 + NH4OH = FeOHNH4 + Cl3
SO2 + NaOH + NaOCl = Na2SO4 + H2O + NaCl =>
SO2 + 2 NaOH + NaOCl = Na2SO4 + H2O + NaCl
Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3
C2H2O4*H2O + NaOH = H2O + Na2C2O4 =>
C2H2O4*H2O + 2 NaOH = 3 H2O + Na2C2O4
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
C2H2O4*H2O + NaOH = H2O + Na2C2O4 =>
C2H2O4*H2O + 2 NaOH = 3 H2O + Na2C2O4
ScF3 + Na2S = Sc2S3 + NaF =>
2 ScF3 + 3 Na2S = Sc2S3 + 6 NaF
Cu(NO3)2(s) + NaOH(aq) = Cu(OH)2(s) + NaNO3(aq) =>
Cu(NO3)2(s) + 2 NaOH(aq) = Cu(OH)2(s) + 2 NaNO3(aq)
LiN + O2 = Li2O + N2O =>
2 LiN + O2 = Li2O + N2O
C10H21OH + HCl = C10H21Cl + H2O =>
C10H21OH + HCl = C10H21Cl + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/25/24
Équations équilibrées sur12/25/23
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