| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Co2 + Ca(OH)2 = CaCo3 + OH =>
3 Co2 + 2 Ca(OH)2 = 2 CaCo3 + 4 OH
ClC2H3O2 + Na2CO3 = ClC2H2O2Na + CO2 + H2O =>
2 ClC2H3O2 + Na2CO3 = 2 ClC2H2O2Na + CO2 + H2O
K3[Cr(OH)6] + Cl2 = KCl + KClO + Cr(OH)3 + H2O =>
2 K3[Cr(OH)6] + 3 Cl2 = 3 KCl + 3 KClO + 2 Cr(OH)3 + 3 H2O
Ba(NO3)2(aq) + KOH = KNO3 + Ba(OH)2 =>
Ba(NO3)2(aq) + 2 KOH = 2 KNO3 + Ba(OH)2
HCl + Fe2(SO3)3 = FeCl3 + SO2 + H2O =>
6 HCl + Fe2(SO3)3 = 2 FeCl3 + 3 SO2 + 3 H2O
Br2 + Ga = BrGa3 =>
Br2 + 6 Ga = 2 BrGa3
NaBH4 + HCl + H2O = H3BO3 + H2 + NaCl =>
NaBH4 + HCl + 3 H2O = H3BO3 + 4 H2 + NaCl
KI + CCl4 + Br = KCl + CI + BrCl =>
KI + CCl4 + 3 Br = KCl + CI + 3 BrCl
K2Cr2O7 + H{+} + C4H9OH = Cr{3+} + K{+} + CH3COOH + H2O =>
4 K2Cr2O7 + 32 H{+} + 3 C4H9OH = 8 Cr{3+} + 8 K{+} + 6 CH3COOH + 19 H2O
XZn + HCl = XZnCl2 + H2 =>
XZn + 2 HCl = XZnCl2 + H2
CrO2 + NaOH = NaCrO2 + Na2CrO4 + H2O =>
3 CrO2 + 4 NaOH = 2 NaCrO2 + Na2CrO4 + 2 H2O
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H2 + AlBr3 = H2Al + Br =>
H2 + AlBr3 = H2Al + 3 Br
AgOH + NH4OH = [Ag(NH3)2]OH + H2O =>
AgOH + 2 NH4OH = [Ag(NH3)2]OH + 2 H2O
Mn(OH)2 + NaOH = MnNa(OH)3 =>
Mn(OH)2 + NaOH = MnNa(OH)3
H2SiF6 + NaOH = H2O + NaF + SiO2 =>
H2SiF6 + 6 NaOH = 4 H2O + 6 NaF + SiO2
CaCO3 + CH3COOH = H2CO3 + C4H6O4Ca =>
CaCO3 + 2 CH3COOH = H2CO3 + C4H6O4Ca
FeS2 + Cl2 + H2O = FeCl3 + H2SO4 + HCl =>
2 FeS2 + 15 Cl2 + 16 H2O = 2 FeCl3 + 4 H2SO4 + 24 HCl
W2A4 + W2E4 = W2 + A2E =>
2 W2A4 + W2E4 = 3 W2 + 4 A2E
XAl + NaOH + H2O = XNaAl(OH)4 + H2 =>
2 XAl + 2 NaOH + 6 H2O = 2 XNaAl(OH)4 + 3 H2
AgCl + (NH4)2CO3 = Ag(NH3)2Cl + H2CO3 =>
AgCl + (NH4)2CO3 = Ag(NH3)2Cl + H2CO3
Ba(OH)2 + CuNO3 = CuOH + Ba(NO3)2 =>
Ba(OH)2 + 2 CuNO3 = 2 CuOH + Ba(NO3)2
K(OH) + H(F) = K(F) + H2O =>
K(OH) + H(F) = K(F) + H2O
NH4 + HCl = H5ClN =>
NH4 + HCl = H5ClN
(C2H5OH) + NaCr2O7 + H2SO4 = CH3COOH + Cr(SO4)3 + Na2SO4 + H2O =>
(C2H5OH) + 4 NaCr2O7 + 26 H2SO4 = CH3COOH + 8 Cr(SO4)3 + 2 Na2SO4 + 27 H2O
Ca + H2O = Ca2(OH)2 + H2 =>
2 Ca + 2 H2O = Ca2(OH)2 + H2
Cs + H = CsH6 =>
Cs + 6 H = CsH6
IO{-}3 + I{-} + H{+} = H2O + I2 =>
IO{-}3 + I{-} + 2 H{+} = H2O + I2
Al(OH)3 + CH3COOH = AlH3 + CH3COO(OH) =>
Al(OH)3 + 3 CH3COOH = AlH3 + 3 CH3COO(OH)
KI + PbSO4 = KSO4 + PbI =>
KI + PbSO4 = KSO4 + PbI
N(s) + Pb(NO3)2 = N(NO3) + Pb(s) =>
2 N(s) + Pb(NO3)2 = 2 N(NO3) + Pb(s)
Cu(NO3)2(aq) + NH3 + H2O = Cu(OH)2(s) + NH4NO3 =>
Cu(NO3)2(aq) + 2 NH3 + 2 H2O = Cu(OH)2(s) + 2 NH4NO3
NaOCl + H2 = NaOH + Cl2 =>
2 NaOCl + H2 = 2 NaOH + Cl2
NO = N2O3 + N2O =>
4 NO = N2O3 + N2O
Fl + Sb = FlSb =>
Fl + Sb = FlSb
CCl4 + HF = CF2Cl2 + HCl =>
CCl4 + 2 HF = CF2Cl2 + 2 HCl
NaHSO4 + Fe = FeSO4 + Na2SO4 + H2 =>
2 NaHSO4 + Fe = FeSO4 + Na2SO4 + H2
CuC2O4 + KMnO4 + H2SO4 = CuSO4 + CO2 + MnSO4 + K2SO4 + H2O =>
5 CuC2O4 + 2 KMnO4 + 8 H2SO4 = 5 CuSO4 + 10 CO2 + 2 MnSO4 + K2SO4 + 8 H2O
Fe2O3 + KI + HCl = Fe2Cl2 + KCl + I2 + H2O =>
Fe2O3 + 4 KI + 6 HCl = Fe2Cl2 + 4 KCl + 2 I2 + 3 H2O
NaOH + HOCl = NaCl + OH =>
NaOH + HOCl = NaCl + 2 OH
NaNH2 + HClO3 = NaCl + H2O + N2 + O2 =>
4 NaNH2 + 4 HClO3 = 4 NaCl + 6 H2O + 2 N2 + 3 O2
Co + KSCN = Co(KSCN) =>
Co + KSCN = Co(KSCN)
Na2Cr2O7 + FeSO4 + HCl = NaCl + Cr + Fe2(SO4)3 + FeCl3 + H2O =>
Na2Cr2O7 + 12 FeSO4 + 14 HCl = 2 NaCl + 2 Cr + 4 Fe2(SO4)3 + 4 FeCl3 + 7 H2O
NaCN(s) + HCl(aq) = NaCl + HCN =>
NaCN(s) + HCl(aq) = NaCl + HCN
KMnO4 + NaOH + KI = KNaMnO4 + KIO3 + H2O =>
6 KMnO4 + 6 NaOH + KI = 6 KNaMnO4 + KIO3 + 3 H2O
SiCl4 + Pb(NO3)2 = Si(NO3)4 + PbCl2 =>
SiCl4 + 2 Pb(NO3)2 = Si(NO3)4 + 2 PbCl2
AlCl3 + K = KCl + Al3 =>
3 AlCl3 + 9 K = 9 KCl + Al3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/20/25
Équations équilibrées sur03/22/24
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