| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaHCO3 + CH3COCH3 = 2 CH3COONa + H2O + CO2
H3AsO3 + Ba(OH)2 = BaHAsO3 + H2O =>
H3AsO3 + Ba(OH)2 = BaHAsO3 + 2 H2O
NaOH + AlPO4 = Al(OH)3 + (Na)3PO4 =>
3 NaOH + AlPO4 = Al(OH)3 + (Na)3PO4
NaOH + O2 = Na2O2 + H2O = =>
4 NaOH + O2 = 2 Na2O2 + 2 H2O
CO2 + Cr3C2 = Cr2O3 + CO =>
13 CO2 + 2 Cr3C2 = 3 Cr2O3 + 17 CO
NaF + MgF2 = NaMg + F2 =>
2 NaF + 2 MgF2 = 2 NaMg + 3 F2
KI + Na2Co3 = NaI + K2Co3 =>
2 KI + Na2Co3 = 2 NaI + K2Co3
C2H6(g) + O2 = CO2 + H2O(g) =>
2 C2H6(g) + 7 O2 = 4 CO2 + 6 H2O(g)
HC2H3O2 + KNO2 = KC2H3O2 + HNO2 =>
HC2H3O2 + KNO2 = KC2H3O2 + HNO2
CrH2 + H2O = Cr(OH)2 + H2 =>
CrH2 + 2 H2O = Cr(OH)2 + 2 H2
CaBr2 + MgCO3 = MgBr2 + CaCO3 =>
CaBr2 + MgCO3 = MgBr2 + CaCO3
HC2H3O2 + KNO2 = KC2H3O2 + HNO2 =>
HC2H3O2 + KNO2 = KC2H3O2 + HNO2
Al2O3 + C + Cl2 = AlCl3 + CO2 =>
2 Al2O3 + 3 C + 6 Cl2 = 4 AlCl3 + 3 CO2
NH3 + O2 = HN3 + H2O =>
3 NH3 + 2 O2 = HN3 + 4 H2O
CH3CH2OH + Cr2O7{-2} + H{+} = CH3CHO + Cr{+2} + H2O =>
4 CH3CH2OH + Cr2O7{-2} + 6 H{+} = 4 CH3CHO + 2 Cr{+2} + 7 H2O
Fe + Fl2 = FeFl =>
2 Fe + Fl2 = 2 FeFl
MgO + H2O = Mg(OH)2 = Mg{2+} + OH{-} =>
MgO + H2O = Mg(OH)2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Na2 + Pb(NO3)2 = NaNO3 + Pb =>
Na2 + Pb(NO3)2 = 2 NaNO3 + Pb
NaCr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + NaCl + H2O =>
2 NaCr2O7 + 7 SnCl2 + 28 HCl = 4 CrCl3 + 7 SnCl4 + 2 NaCl + 14 H2O
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+} =>
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+}
HO{-}CH2{-}CH2{-}OH + HCl = Cl{-}CH2{-}CH2{-}Cl + H2O =>
HO{-}CH2{-}CH2{-}OH + HCl = Cl{-}CH2{-}CH2{-}Cl + H2O
H2SO4 + Ag = Ag(SO4) + H2 =>
H2SO4 + Ag = Ag(SO4) + H2
Mg(NO3)2 + H2SO4 = MgSO4 + HNO3 =>
Mg(NO3)2 + H2SO4 = MgSO4 + 2 HNO3
Fe(k) + HCl(aq) = FeCl2 + H2(d) =>
Fe(k) + 2 HCl(aq) = FeCl2 + H2(d)
C3H8O + K2Cr2O7 = C3H6O2 + K2Cr2 + H2O =>
7 C3H8O + 2 K2Cr2O7 = 7 C3H6O2 + 2 K2Cr2 + 7 H2O
BaI2 + ZnS2 = BaS2 + I2Zn =>
BaI2 + ZnS2 = BaS2 + I2Zn
C7H10N2 + O2 = CO2 + H2O + N2 =>
2 C7H10N2 + 19 O2 = 14 CO2 + 10 H2O + 2 N2
S + Fe = FeS(ll) =>
S + Fe = FeS(ll)
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+} =>
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+}
Zn + KNO3 + H2 = NH3 + K2ZnO2 + H2O =>
Zn + 2 KNO3 + 7 H2 = 2 NH3 + K2ZnO2 + 4 H2O
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+} =>
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+}
Li2CO3 + MnO2 + Co2O3 = (Li18)(Mn08)(Co03)O3 + CO2 + O2 =>
36 Li2CO3 + 32 MnO2 + 6 Co2O3 = 4(Li18)(Mn08)(Co03)O3 + 36 CO2 + 53 O2
Pb(NO3)2(aq) + (NH4)2CO3(aq) = PbCO3(s) + NH4NO3(aq) =>
Pb(NO3)2(aq) + (NH4)2CO3(aq) = PbCO3(s) + 2 NH4NO3(aq)
Ca(HCO3)2 = CaCO3CO2H2O =>
Ca(HCO3)2 = CaCO3CO2H2O
Na2O2(s) + H2O(l) + S(s) = NaOH(aq) + SO2(aq) =>
2 Na2O2(s) + 2 H2O(l) + S(s) = 4 NaOH(aq) + SO2(aq)
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+} =>
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+}
K + FeCl2 = KCl2 + Fe =>
K + FeCl2 = KCl2 + Fe
Cl2(g) + Br2(g) = BrCl(g) =>
Cl2(g) + Br2(g) = 2 BrCl(g)
Cu(CH3COO2)2(aq) + KOH(aq) = Cu(OH)2(s) + K(CH3COO2)(s) =>
Cu(CH3COO2)2(aq) + 2 KOH(aq) = Cu(OH)2(s) + 2 K(CH3COO2)(s)
KIO3 + HCl = KICl + Cl2 + H2O =>
2 KIO3 + 12 HCl = 2 KICl + 5 Cl2 + 6 H2O
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+} =>
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+}
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HClO4 + CaCO3 = Ca(ClO4)2 + CO2 + H2O =>
2 HClO4 + CaCO3 = Ca(ClO4)2 + CO2 + H2O
Zn + K3[Fe(CN)6] = Zn3[Fe(CN)6] + K =>
3 Zn + K3[Fe(CN)6] = Zn3[Fe(CN)6] + 3 K
CH3CO2H(aq) + Na2CO3(aq) = CH3CO2Na(aq) + H2O(l) + CO2(g) =>
2 CH3CO2H(aq) + Na2CO3(aq) = 2 CH3CO2Na(aq) + H2O(l) + CO2(g)
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+} =>
Ca{2+} + Fe(NO3)2 = Ca(NO3)2 + Fe{2+}
K2CrO7 + HCl + H2S = KCl + CrCl3 + S + H2O =>
2 K2CrO7 + 10 HCl + 9 H2S = 4 KCl + 2 CrCl3 + 9 S + 14 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Ba(HS)2 + Cl2 + H2O = Ba(OH)2 + HCl + H2SO4 =>
Ba(HS)2 + 8 Cl2 + 10 H2O = Ba(OH)2 + 16 HCl + 2 H2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/07/25
Équations équilibrées sur03/09/24
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