| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe3(SO4) + BaI2 = Fe3I2 + Ba(SO4)
CoS + HNO3 = S + NO + Co(NO3)2 + H2O =>
3 CoS + 8 HNO3 = 3 S + 2 NO + 3 Co(NO3)2 + 4 H2O
C3H7OH + CuO = C3H5COH + H2O + Cu =>
4 C3H7OH + 6 CuO = 3 C3H5COH + 7 H2O + 6 Cu
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
N + CaO = N2O + Ca =>
2 N + CaO = N2O + Ca
NH4SCN + AgNO3 = AgSCN + H2O + NH3 + NO2 =>
7 NH4SCN + 7 AgNO3 = 7 AgSCN + 5 H2O + 6 NH3 + 8 NO2
Zn + NaNO3 + NaOH = Na2ZnO2 + NH3 + H2O =>
4 Zn + NaNO3 + 7 NaOH = 4 Na2ZnO2 + NH3 + 2 H2O
A1 + H2O1 = A1O1 + H2 =>
A1 + H2O1 = A1O1 + H2
H3PO4 + NaOH = H4O2 + Na3PO4 =>
2 H3PO4 + 6 NaOH = 3 H4O2 + 2 Na3PO4
MgO + Si + CaO = Mg + CaSiO3 =>
2 MgO + Si + CaO = 2 Mg + CaSiO3
AgNo{3} + NaCl = AgCl + NaNo{3} =>
AgNo{3} + NaCl = AgCl + NaNo{3}
Xn + HNO3 = Xn(NO3)2 + NH4NO3 + H2O =>
4 Xn + 10 HNO3 = 4 Xn(NO3)2 + NH4NO3 + 3 H2O
NH4C2H3O2 + H2O = NH3C2H3O2 + H3O =>
NH4C2H3O2 + H2O = NH3C2H3O2 + H3O
Ca(OH)2(aq) + Na2SO4(aq) = CaSO4 + NaOH =>
Ca(OH)2(aq) + Na2SO4(aq) = CaSO4 + 2 NaOH
CH3{-}CH = CH{-}CH3 + H2 = CH3CH2{-}CH2{-}CH2{-}CH3 =>
CH3{-}CH = CH{-}CH3 + H2
CH2OHCH2CH2CH2OH + KMnO4 + H2SO4 = CH2OHCH2CH2COOH + K2SO4 + MnSO4 + H2O =>
5 CH2OHCH2CH2CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH2OHCH2CH2COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
C6H5OHCH3 + Na = C6H5ONaCH3 + H2 =>
2 C6H5OHCH3 + 2 Na = 2 C6H5ONaCH3 + H2
ZnSO4 + NH3 = Zn(NH3)4 + (NH4)2SO4 + NH2 =>
ZnSO4 + 8 NH3 = Zn(NH3)4 + (NH4)2SO4 + 2 NH2
BaCl2FeCl3 = BaCl3 + FeCl2 =>
BaCl2FeCl3 = BaCl3 + FeCl2
H{+} + CrO7{2-} + C2H5OH = Cr{3+} + C2H4O + H2O =>
10 H{+} + 2 CrO7{2-} + 9 C2H5OH = 2 Cr{3+} + 9 C2H4O + 14 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Cu + S8 = CuS =>
8 Cu + S8 = 8 CuS
KMnO4 + HNO2 + H2SO4 = MnO2 + HNO3 + K2SO4 + H2O =>
2 KMnO4 + 3 HNO2 + H2SO4 = 2 MnO2 + 3 HNO3 + K2SO4 + H2O
Ba(NO3)2(aq) + H2SO4(aq) = HNO3(aq) + BaSO4(aq) =>
Ba(NO3)2(aq) + H2SO4(aq) = 2 HNO3(aq) + BaSO4(aq)
C10H14 + KMnO4 = C8H6O4 + MnO2 + CO2 + KOH =>
C10H14 + 8 KMnO4 = C8H6O4 + 8 MnO2 + 2 CO2 + 8 KOH
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Al + H{-}1 + NO3{-}1 + H2O = AlO2{-}1 + NH3 =>
2 Al + H{-}1 + NO3{-}1 + H2O = 2 AlO2{-}1 + NH3
Fe + CO3 + H2O = Fe(OH)3 + CO2 =>
2 Fe + 3 CO3 + 3 H2O = 2 Fe(OH)3 + 3 CO2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Cr + SO4 = Cr2(SO4)3 =>
2 Cr + 3 SO4 = Cr2(SO4)3
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Sr(NO3)2 + K2S = SrS + K(NO3) =>
Sr(NO3)2 + K2S = SrS + 2 K(NO3)
Zn2 + CuSO4 = Zn(SO4)2 + Cu =>
Zn2 + 4 CuSO4 = 2 Zn(SO4)2 + 4 Cu
K2Cr2O7 + H2SO4 + Na2C2O4 = Cr2(SO4)3 + Na2SO4 + CO2 + H2O + K2SO4 =>
K2Cr2O7 + 7 H2SO4 + 3 Na2C2O4 = Cr2(SO4)3 + 3 Na2SO4 + 6 CO2 + 7 H2O + K2SO4
Cl2 + Ca = ClCa =>
Cl2 + 2 Ca = 2 ClCa
SnBr4 + FeSO4 = Sn(SO4)2 + FeBr2 =>
SnBr4 + 2 FeSO4 = Sn(SO4)2 + 2 FeBr2
C6H10O + CrO3 + H2SO4 = Cr2(SO4)3 + H2O + C6H10O2 =>
3 C6H10O + 2 CrO3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2O + 3 C6H10O2
Hg(NO3)2 + NaHCO3 = Na + Hg + HNO3 + C + O3 =>
Hg(NO3)2 + 2 NaHCO3 = 2 Na + Hg + 2 HNO3 + 2 C + 2 O3
Pb5(VO4)3Cl + NaCl = PbCl2 + Na3VO4 =>
Pb5(VO4)3Cl + 9 NaCl = 5 PbCl2 + 3 Na3VO4
CaCl2 + K2C2O4*H2O = CaC2O4*H2O + KCl =>
CaCl2 + K2C2O4*H2O = CaC2O4*H2O + 2 KCl
C6H807 + NaOH = H2O + Na + C6H6O6 =>
C6H807 + 813 NaOH = 807 H2O + 813 Na + C6H6O6
Cu2 + HNO3 = Cu(NO3) + NO2 + H2O =>
Cu2 + 4 HNO3 = 2 Cu(NO3) + 2 NO2 + 2 H2O
Fe3 + OH = Fe(OH)3 =>
Fe3 + 9 OH = 3 Fe(OH)3
C6H6(l) + O2(g) = CO2(g) + H2O(i) =>
2 C6H6(l) + 15 O2(g) = 12 CO2(g) + 6 H2O(i)
CuCO3(aq) + HNO3(aq) = Cu(NO3)2(aq) + CO2(g) + H2O(l) =>
CuCO3(aq) + 2 HNO3(aq) = Cu(NO3)2(aq) + CO2(g) + H2O(l)
CaCO3 + H2O = Ca + OH + CO2 =>
CaCO3 + H2O = Ca + 2 OH + CO2
K + MgCl2 = KCl + Mg =>
2 K + MgCl2 = 2 KCl + Mg
Zn + N2SO4 = ZnSO4 + N2 =>
Zn + N2SO4 = ZnSO4 + N2
SO2 + HCl = SO2Cl2 + H2 =>
SO2 + 2 HCl = SO2Cl2 + H2
P2 + O2 = P3O3 =>
3 P2 + 3 O2 = 2 P3O3
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Équations équilibrées sur12/14/24
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