| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Cu + 8 HNO3(foartediluat) = 3 Cu(NO3)2 + 2 NO + 4 H2O
Co(NO3)2 + CH3COOH + KNO2 = K3(Co(NO2)6) + CH3COOK + H2O + KNO3 =>
2 Co(NO3)2 + 2 CH3COOH + 11 KNO2 = 2 K3(Co(NO2)6) + 2 CH3COOK + H2O + 3 KNO3
Br + MgF2 = MgBr2 + F2 =>
2 Br + MgF2 = MgBr2 + F2
SO2 + KMnO4 + H2O = K4SO4 + H2SO4 + MnSO4 =>
11 SO2 + 4 KMnO4 + 6 H2O = K4SO4 + 6 H2SO4 + 4 MnSO4
MnCI{-}2 + AI = Mn + AICI{-}3 =>
MnCI{-}2 + AI = Mn + AICI{-}3
H3O + H2PO4 + C4H6O6 = H3PO4 + HCO3 =>
6 H3O + 20 H2PO4 + C4H6O6 = 20 H3PO4 + 4 HCO3
NiS + Ce{4+} + H2O = Ce{3+} + Ni{3+} + SO4{2-} + H{+} =>
NiS + 9 Ce{4+} + 4 H2O = 9 Ce{3+} + Ni{3+} + SO4{2-} + 8 H{+}
NH4NO3 + C2H6 = H2O + CO2 + N2 =>
7 NH4NO3 + C2H6 = 17 H2O + 2 CO2 + 7 N2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na(HCO3)2 = NaO + CO2 + H2O =>
Na(HCO3)2 = NaO + 2 CO2 + H2O
C9H9NO8Na4 + FeCl3 = C9H9NO8NaFe + NaCl =>
C9H9NO8Na4 + FeCl3 = C9H9NO8NaFe + 3 NaCl
NaOH + Al2O3 = Na3 + AlO3 + Al(OH)3 =>
3 NaOH + Al2O3 = Na3 + AlO3 + Al(OH)3
CoI2 + AlCl3 = AlI3 + CoCl2 =>
3 CoI2 + 2 AlCl3 = 2 AlI3 + 3 CoCl2
SnO2 + H2SO4 = Sn(SO4)2 + H2O =>
SnO2 + 2 H2SO4 = Sn(SO4)2 + 2 H2O
NH3{-} + HCl{+} = NH4Cl =>
NH3{-} + HCl{+} = NH4Cl
Na3[Cr(OH)6] + NaNO3 = Cr(NO3)3 + NaOH =>
Na3[Cr(OH)6] + 3 NaNO3 = Cr(NO3)3 + 6 NaOH
Bi + CuO + Se = BiCuSeO =>
Bi + CuO + Se = BiCuSeO
Co + HNO3 = CoNO3 + H2O + N2 =>
10 Co + 12 HNO3 = 10 CoNO3 + 6 H2O + N2
KOH + H2CO3 = H2O + K2CO3 =>
2 KOH + H2CO3 = 2 H2O + K2CO3
C6H8O7 + NaHCO3 = Na3C6H5O7 + H2CO3 =>
C6H8O7 + 3 NaHCO3 = Na3C6H5O7 + 3 H2CO3
MgO + Si + CaO = Mg + CaSiO3 =>
2 MgO + Si + CaO = 2 Mg + CaSiO3
Ca(NO3)2 + Na2CO3 = CaCO3 + Na2(NO3)2 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + Na2(NO3)2
Pb(NO3)2 + NH4Cl = PbCl2 + NH4(NO3) =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4(NO3)
Ca + (Cl2)2 = CaCl2 =>
2 Ca + (Cl2)2 = 2 CaCl2
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Mn3O4 + H2O + SO2 = MnSO4 + Mn(OH)2 =>
Mn3O4 + 2 H2O + SO2 = MnSO4 + 2 Mn(OH)2
FeO + O2 = Fe2O6 =>
2 FeO + 2 O2 = Fe2O6
Co + Cu2{+} = Co2{+} + Cu =>
2 Co + Cu2{+} = Co2{+} + 2 Cu
CaCO3 + HCHO2 = Ca + CO2 + H2O =>
CaCO3 + HCHO2 = Ca + 2 CO2 + H2O
Cu(OH)2(s) = Cu2(s) + O2(g) + H2O(l) =>
2 Cu(OH)2(s) = Cu2(s) + O2(g) + 2 H2O(l)
NaHCO3 + H3CCOOH = CH3COONa + CO2 + H2O =>
NaHCO3 + H3CCOOH = CH3COONa + CO2 + H2O
HCl + KMnO4 + Fe = MnCl3 + KCl + H2O + FeCl3 =>
24 HCl + 3 KMnO4 + 4 Fe = 3 MnCl3 + 3 KCl + 12 H2O + 4 FeCl3
SnS + HNO3 + H = H2SnO3 + NO + S =>
2 SnS + 3 HNO3 + H = 2 H2SnO3 + 3 NO + 2 S
MnO4{-} + OH{-} = MnO4{-2} + O2(g) + H2O =>
4 MnO4{-} + 4 OH{-} = 4 MnO4{-2} + O2(g) + 2 H2O
Ba(NO3)2 + KSCN = Ba(SCN)2 + K(NO3) =>
Ba(NO3)2 + 2 KSCN = Ba(SCN)2 + 2 K(NO3)
CuBr2 + SO2 + H2O = CuBr + CuSO4 + HBr =>
3 CuBr2 + SO2 + 2 H2O = 2 CuBr + CuSO4 + 4 HBr
Ti + HNO3 = H2TiO3 + NO2 + H2O =>
Ti + 4 HNO3 = H2TiO3 + 4 NO2 + H2O
NaOCl + (CH3)2CO = NaCH3COO + NaOH + CHCl3 =>
3 NaOCl + (CH3)2CO = NaCH3COO + 2 NaOH + CHCl3
Cu{2+} + S{2-} = Cu + S =>
Cu{2+} + S{2-} = Cu + S
Na2CO3 + H2SO3 = Na2SO3 + H2CO3 =>
Na2CO3 + H2SO3 = Na2SO3 + H2CO3
NaOH(aq) + S(s) + O2(g) = Na2SO4(aq) + H2O =>
4 NaOH(aq) + 2 S(s) + 3 O2(g) = 2 Na2SO4(aq) + 2 H2O
CaSO3 + HI = CaI2 + H2SO3 =>
CaSO3 + 2 HI = CaI2 + H2SO3
V + H2SO4 = VOSO4 + SO2 + H2O =>
V + 3 H2SO4 = VOSO4 + 2 SO2 + 3 H2O
C3H6O3 = CO2 + CH4 =>
2 C3H6O3 = 3 CO2 + 3 CH4
Na + H3PO4 = Na3PO4 + H =>
3 Na + H3PO4 = Na3PO4 + 3 H
Rb(g) + P(g) = Rb3P(g) =>
3 Rb(g) + P(g) = Rb3P(g)
Pb3O4 + HNO3 = PbN2O6 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 PbN2O6 + PbO2 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/15/24
Équations équilibrées sur01/14/24
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