| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mg + 2 Br = MgBr2
NaCl + Ca(No3)2 = NaNo3 + CaCl2 =>
2 NaCl + Ca(No3)2 = 2 NaNo3 + CaCl2
Na2S + KI = NaK + I2S =>
Na2S + 2 KI = 2 NaK + I2S
Fe3O2(s) + CO(g) = CO2(g) + Fe(l) =>
Fe3O2(s) + 2 CO(g) = 2 CO2(g) + 3 Fe(l)
Cl + H2O2 = HCl + O =>
2 Cl + H2O2 = 2 HCl + 2 O
C3H8O(g) + O2(g) = CO2(g) + H2O(g) =>
2 C3H8O(g) + 9 O2(g) = 6 CO2(g) + 8 H2O(g)
HNO3 + BaCl = HCl + BaNO3 =>
HNO3 + BaCl = HCl + BaNO3
CaCl2 + N2CO3 = CaCO3 + NCl =>
CaCl2 + N2CO3 = CaCO3 + 2 NCl
BaS = Ba + S =>
BaS = Ba + S
HgNO3 + HCl = HgCl2 + H2O + NO2 =>
HgNO3 + 2 HCl = HgCl2 + H2O + NO2
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
C4H9OH + C3H7COOH = C4H9COOH + C3H7OH =>
C4H9OH + C3H7COOH = C4H9COOH + C3H7OH
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
Ca(NO3)2 + KCl = CaCl2 + KNO3 =>
Ca(NO3)2 + 2 KCl = CaCl2 + 2 KNO3
NO2 + H2O = HNO2HNO3 =>
2 NO2 + H2O = HNO2HNO3
FeSO4 + SiO2 + H2O = Fe2SiO4 + H2SO4 =>
2 FeSO4 + SiO2 + 2 H2O = Fe2SiO4 + 2 H2SO4
MgCl2(aq) + Na2CO3(aq) = NaCl + MgCO3 =>
MgCl2(aq) + Na2CO3(aq) = 2 NaCl + MgCO3
H2SO4 + Ca(OH)2 = CaOH2SO4 + H2O =>
H2SO4 + Ca(OH)2 = CaOH2SO4 + H2O
K2S + Na2CrO4 + H2SO4 = Na2SO4 + K2SO4 + H2O + Cr2(SO4)3 =>
3 K2S + 8 Na2CrO4 + 20 H2SO4 = 8 Na2SO4 + 3 K2SO4 + 20 H2O + 4 Cr2(SO4)3
NgCO3 = NgO + CO2 =>
NgCO3 = NgO + CO2
Mg(OH)2 + HCl = H2O + MgCl2 =>
Mg(OH)2 + 2 HCl = 2 H2O + MgCl2
HI + CrSe = H2Se + CrI2 =>
2 HI + CrSe = H2Se + CrI2
FeO(s) + H2(g) = Fe(s) + H2O =>
FeO(s) + H2(g) = Fe(s) + H2O
CoCl2 + Fe2 = CoFe3 + Cl2 =>
2 CoCl2 + 3 Fe2 = 2 CoFe3 + 2 Cl2
KMnO4 + NaOH + Na2SO3 = K2MnO4 + Na2MnO4 + Na2SO4 + H2O =>
2 KMnO4 + 2 NaOH + Na2SO3 = K2MnO4 + Na2MnO4 + Na2SO4 + H2O
C7H5 + HCl = C5H11 + Cl =>
5 C7H5 + 52 HCl = 7 C5H11 + 52 Cl
NaBrO + NH3 = NaBr + H2O + N2 =>
3 NaBrO + 2 NH3 = 3 NaBr + 3 H2O + N2
Mg(NO3) + NaCl = MgCl + Na(NO3) =>
Mg(NO3) + NaCl = MgCl + Na(NO3)
Al(OH)3 = Al{3+} + (OH){-} =>
Al(OH)3 = Al{3+} + 3(OH){-}
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ca(No3)2 + KCl = CaCl2 + KNo3 =>
Ca(No3)2 + 2 KCl = CaCl2 + 2 KNo3
K + Al(SO4)2 = KAl(SO4)2 =>
K + Al(SO4)2 = KAl(SO4)2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Mn + O = Mn2O7 =>
2 Mn + 7 O = Mn2O7
S + CrO3 = SO2 + Cr2O3 =>
3 S + 4 CrO3 = 3 SO2 + 2 Cr2O3
CoCl2 + Ba(OH)2 = BaCl2 + Co(OH)2 =>
CoCl2 + Ba(OH)2 = BaCl2 + Co(OH)2
KCl + Pb(NO3)2 = K + NO3 + PbCl2 =>
2 KCl + Pb(NO3)2 = 2 K + 2 NO3 + PbCl2
CoO + O2 = Co2O3 =>
4 CoO + O2 = 2 Co2O3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
CO3{-2} + H{+} = CO2 + H2O =>
CO3{-2} + 2 H{+} = CO2 + H2O
C4H9OH + C3H7COOH = C4H9COOH + C3H7OH =>
C4H9OH + C3H7COOH = C4H9COOH + C3H7OH
KNO3 + Na2CO3 = K2CO3 + NaNO3 =>
2 KNO3 + Na2CO3 = K2CO3 + 2 NaNO3
NiI2 + (NH4)2S = NiS + NH4I =>
NiI2 + (NH4)2S = NiS + 2 NH4I
CuSO4 + FeSO4 = Cu + Fe(SO4)2 =>
CuSO4 + FeSO4 = Cu + Fe(SO4)2
AsO4 + Ag = Ag3AsO4 =>
AsO4 + 3 Ag = Ag3AsO4
Ce2 + H2 = HCe2 =>
2 Ce2 + H2 = 2 HCe2
NaBH4 + CH3COOH = NaBH(CH3COO)3 + H2 =>
NaBH4 + 3 CH3COOH = NaBH(CH3COO)3 + 3 H2
Cr2(SO4)3 + H2O2 + NaOH = NaCrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 4 H2O2 + 8 NaOH = 2 NaCrO4 + 8 H2O + 3 Na2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/21/24
Équations équilibrées sur10/21/23
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