| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cl2 + 2 HBr = Br2 + 2 HCl
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
(NH4)2 + Cr2O7 = N2 + CrO3 + H2O =>
(NH4)2 + 4 Cr2O7 = N2 + 8 CrO3 + 4 H2O
K2[HgI4] + NH4OH + KOH = [Hg2N]I + KI + H2O =>
2 K2[HgI4] + NH4OH + 3 KOH = [Hg2N]I + 7 KI + 4 H2O
CO2 + NaOH = Na2CO3 + H2O =>
CO2 + 2 NaOH = Na2CO3 + H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Mg + O = MgO =>
Mg + O = MgO
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
HI + H2SO4 + KMnO4 = K2SO4 + MnSO4 + H2O + I2 =>
10 HI + 3 H2SO4 + 2 KMnO4 = K2SO4 + 2 MnSO4 + 8 H2O + 5 I2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
HNO3 + Na2CO3 = NaNO3 + H2O + CO2 =>
2 HNO3 + Na2CO3 = 2 NaNO3 + H2O + CO2
CuS + HNO3 = Cu(NO3)2 + H2O + NO + S =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO + 3 S
Na2O2 + H2SO4 = Na2SO4 + H2O2 =>
Na2O2 + H2SO4 = Na2SO4 + H2O2
CuS + HNO3 = Cu(NO3)2 + H2O + NO + S =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO + 3 S
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
(NH4)2Fe(SO4)2 + K2Cr2O7 + H2SO4 = CrSO4 + Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
8(NH4)2Fe(SO4)2 + K2Cr2O7 + 7 H2SO4 = 2 CrSO4 + 4 Fe2(SO4)3 + K2SO4 + 8(NH4)2SO4 + 7 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
NH4Cl + CaO = CaCl2 + H2O + NH3 =>
2 NH4Cl + CaO = CaCl2 + H2O + 2 NH3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KI + CH3COOH + H2O2 = I2 + CH3COOK + H2O =>
2 KI + 2 CH3COOH + H2O2 = I2 + 2 CH3COOK + 2 H2O
NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
BF3(g) + NaH(s) = B2H6(g) + NaF(s) =>
2 BF3(g) + 6 NaH(s) = B2H6(g) + 6 NaF(s)
Cu{2+} + NH3 = Cu(NH3)4{2+} =>
Cu{2+} + 4 NH3 = Cu(NH3)4{2+}
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
[Cu(OH2)6]SO4 + KI = CuI + I2 + H2O + K2SO4 =>
2[Cu(OH2)6]SO4 + 4 KI = 2 CuI + I2 + 12 H2O + 2 K2SO4
Al2(SO4)3 + BaCl2 = AlCl3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 AlCl3 + 3 BaSO4
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2B4O7 + Cr(OH)3 = NaBO2 + Cr(BO2)3 + H2O =>
3 Na2B4O7 + 2 Cr(OH)3 = 6 NaBO2 + 2 Cr(BO2)3 + 3 H2O
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
CH4 + O2 = H2O + CO2 =>
CH4 + 2 O2 = 2 H2O + CO2
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
HNO3 + HBr = NO + Br + H2O =>
HNO3 + 3 HBr = NO + 3 Br + 2 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
C2H4 + O2 = CO2 + H2 =>
C2H4 + 2 O2 = 2 CO2 + 2 H2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Hg2(NO3)2 + Cu = Hg + Cu(NO3)2 =>
Hg2(NO3)2 + Cu = 2 Hg + Cu(NO3)2
Na2SO3 + HNO3 = NaNO3 + H2O + SO2 =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + H2O + SO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Mg(NO3)2 = MgO + NO2 + O2 =>
2 Mg(NO3)2 = 2 MgO + 4 NO2 + O2
H2SO3(aq) = H2O(l) + SO2 =>
H2SO3(aq) = H2O(l) + SO2
Fe(NO3)2 + HNO3 = Fe(NO3)3 + NO + H2O =>
3 Fe(NO3)2 + 4 HNO3 = 3 Fe(NO3)3 + NO + 2 H2O
C6H5Cl + S1Cl4 + Na = (C6H5)4S1 + NaCl =>
4 C6H5Cl + S1Cl4 + 8 Na = (C6H5)4S1 + 8 NaCl
Sb2S3 + HCl = H3SbCl6 + H2S =>
Sb2S3 + 12 HCl = 2 H3SbCl6 + 3 H2S
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/12/13
Équations équilibrées sur05/12/12
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