| Équations équilibrées la veille |
2 Cr3{+} + 5 ClO4{-} + 8 OH{-} = 6 CrO4{-} + 5 Cl{-} + 4 H2O
Fe2 + Ne3 = FeNe3 =>
Fe2 + 2 Ne3 = 2 FeNe3
CO2(aq) + H2O(l) = HCO3{-}(aq) + H{+}(aq) =>
CO2(aq) + H2O(l) = HCO3{-}(aq) + H{+}(aq)
Sr(OH)2 + Al + H2O = SrAl(OH)42 + H2 =>
Sr(OH)2 + Al + 40 H2O = SrAl(OH)42 + 20 H2
Zn + Al + H2SO4 = AlZnSO4 + H2 =>
Zn + Al + H2SO4 = AlZnSO4 + H2
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr(SO4)2 + K2SO4 + H2O =>
CH3CH2OH + K2Cr2O7 + 5 H2SO4 = CH3COOH + 2 Cr(SO4)2 + K2SO4 + 6 H2O
HClO3 + C = H2O + CO2 + Cl2 =>
4 HClO3 + 5 C = 2 H2O + 5 CO2 + 2 Cl2
CaS + H2O = Ca(HS)2 + Ca(OH)2 =>
2 CaS + 2 H2O = Ca(HS)2 + Ca(OH)2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2O + CaO + SO2 = CaSO4 + H2 =>
H2O + CaO + SO2 = CaSO4 + H2
Cu + S8 = Cu2S =>
16 Cu + S8 = 8 Cu2S
KMnO4 + K2SO3 + NaOH = K2MnO4 + NaMnO4 + K2SO4 + H2O =>
4 KMnO4 + K2SO3 + 2 NaOH = 2 K2MnO4 + 2 NaMnO4 + K2SO4 + H2O
Li2(CO3) + BaBr2 = LiBr + Ba(CO3) =>
Li2(CO3) + BaBr2 = 2 LiBr + Ba(CO3)
KClO3 + HCl = Cl2 + H2O + KO2 =>
2 KClO3 + 4 HCl = 3 Cl2 + 2 H2O + 2 KO2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
SbCl3 + H2SO4 = H2Cl3 + SbSO4 =>
SbCl3 + H2SO4 = H2Cl3 + SbSO4
C6H8C6 + I2 + H2O = C6H10O8 + I{-} + H{+} =>
C6H8C6 + 10 I2 + 16 H2O = 2 C6H10O8 + 20 I{-} + 20 H{+}
S2O3{2-} + MnO4{-} + OH{-} = MnO4{2-} + SO4{2-} + H2O =>
S2O3{2-} + 8 MnO4{-} + 10 OH{-} = 8 MnO4{2-} + 2 SO4{2-} + 5 H2O
Na + Fe2O3 = Na2O + Fe =>
6 Na + Fe2O3 = 3 Na2O + 2 Fe
[Ni(NH3)3]Cl2 + KOH = Ni(OH)2 + KCl + NH3 =>
[Ni(NH3)3]Cl2 + 2 KOH = Ni(OH)2 + 2 KCl + 3 NH3
Al(OH)3 + HFeO2 = Al(FeO2)3 + H2O =>
Al(OH)3 + 3 HFeO2 = Al(FeO2)3 + 3 H2O
CH4(g) + Cl2(g) = CCl4(l) + HCl(g) =>
CH4(g) + 4 Cl2(g) = CCl4(l) + 4 HCl(g)
Zn(NO3)2 + AlCl3 = ZnCl2 + Al(NO3)3 =>
3 Zn(NO3)2 + 2 AlCl3 = 3 ZnCl2 + 2 Al(NO3)3
CH3CHC(CH3)X + KMnO4 + H2SO4 = CH3COOH + XC(CH3)O + MnSO4 + K2SO4 + H2O =>
5 CH3CHC(CH3)X + 6 KMnO4 + 9 H2SO4 = 5 CH3COOH + 5 XC(CH3)O + 6 MnSO4 + 3 K2SO4 + 9 H2O
Ce(OH)4 + H2SO4 = Ce(SO4)2 + H2O =>
Ce(OH)4 + 2 H2SO4 = Ce(SO4)2 + 4 H2O
CuSO4(ac) + Al(s) = Al2(SO4)3(ac) + Cu0(s) =>
3 CuSO4(ac) + 2 Al(s) = Al2(SO4)3(ac) + 3 Cu0(s)
K + CaCl2 = CaK + Cl2 =>
K + CaCl2 = CaK + Cl2
H2C2O4(H2O)2 + K2Cr2O7 = K[Cr(C2O4)2](H2O)5 + H2O + CO2 =>
7 H2C2O4(H2O)2 + K2Cr2O7 = 2 K[Cr(C2O4)2](H2O)5 + 11 H2O + 6 CO2
KClO2 + N2H4 = KCl + N2 + H2O =>
KClO2 + N2H4 = KCl + N2 + 2 H2O
K2[Fe(CN)7] + Cl2 = K[Fe(CN)7] + KCl =>
2 K2[Fe(CN)7] + Cl2 = 2 K[Fe(CN)7] + 2 KCl
CO2 + Ba(OH)2 = CO2(OH) + Ba =>
2 CO2 + Ba(OH)2 = 2 CO2(OH) + Ba
(NH4)2SO4 + NaOH = Na2SO4 + NH3 + H2O =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 NH3 + 2 H2O
Pb(NO3)2 + NaOH + OH = Pb(OH)4 + NaNO3 =>
Pb(NO3)2 + 2 NaOH + 2 OH = Pb(OH)4 + 2 NaNO3
JO = J + O =>
JO = J + O
Ba(OH)2 + Cl2 = BaClO2 + BaCl2 + H2O =>
4 Ba(OH)2 + 3 Cl2 = 2 BaClO2 + 2 BaCl2 + 4 H2O
Sn(OH)4 = SnO2 + H2O =>
Sn(OH)4 = SnO2 + 2 H2O
C3H5(OH)2 + O2 = CO2 + H2O =>
4 C3H5(OH)2 + 15 O2 = 12 CO2 + 14 H2O
Zn(CO3) = Zn + (CO3) =>
Zn(CO3) = Zn + (CO3)
C2H6O + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O + C2H4O =>
3 C2H6O + Na2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + Na2SO4 + 7 H2O + 3 C2H4O
Sr(OH)2 + Al + H2O = Sr(Al(OH)4)2 + H2 =>
Sr(OH)2 + 2 Al + 6 H2O = Sr(Al(OH)4)2 + 3 H2
C4H8O2 + H2 = C2H6O =>
C4H8O2 + 2 H2 = 2 C2H6O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C20H42(s) + O(g) = CO2(g) + H2O(g) =>
C20H42(s) + 61 O(g) = 20 CO2(g) + 21 H2O(g)
Fe8 + O2 = Fe3O =>
3 Fe8 + 4 O2 = 8 Fe3O
Al(NO3)3 + NH4OH + HCl = Al(OH)3 + NH4(NO3)3 + AlCl3 =>
13 Al(NO3)3 + 9 NH4OH + 21 HCl = 6 Al(OH)3 + 12 NH4(NO3)3 + 7 AlCl3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C4H9Br + C2H5ONa = C4H8 + NaBr + C2H6O =>
C4H9Br + C2H5ONa = C4H8 + NaBr + C2H6O
Ra(OH)2 + Cl2 = RaCl2 + Ra(ClO3)2 + H2O =>
6 Ra(OH)2 + 6 Cl2 = 5 RaCl2 + Ra(ClO3)2 + 6 H2O
Li2O + Ca(OH)2 = LiOH + CaO =>
Li2O + Ca(OH)2 = 2 LiOH + CaO
Na(NO3) + Ni(OH)2 = NaOH + Ni(NO3)2 =>
2 Na(NO3) + Ni(OH)2 = 2 NaOH + Ni(NO3)2
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Équations équilibrées sur01/08/25
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