| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 KOH
Zn + HCl(aq) = ZnCl2 + H2 =>
Zn + 2 HCl(aq) = ZnCl2 + H2
HNO3 + CH3COONa = CH3COOH + Na + NO3 =>
HNO3 + CH3COONa = CH3COOH + Na + NO3
Sn(CO3)2(s) = CO2(g) + SnO2 =>
Sn(CO3)2(s) = 2 CO2(g) + SnO2
O2(s) + S8(s) = SO2(s) =>
8 O2(s) + S8(s) = 8 SO2(s)
Fe2S3 + HCl = FeCl3 + H2S =>
Fe2S3 + 6 HCl = 2 FeCl3 + 3 H2S
He + Xe = HeXe =>
He + Xe = HeXe
Ni2Cl + O = Ni2O2 + Cl2O5 =>
2 Ni2Cl + 9 O = 2 Ni2O2 + Cl2O5
K + I2 = KI =>
2 K + I2 = 2 KI
Si + HNO3 + HF = H2SiF6 + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2SiF6 + 4 NO + 8 H2O
MnO4{-} + H2O + SO3{2-} = MnO(OH)2 + SO4{2-} + OH{-} =>
2 MnO4{-} + 3 H2O + 3 SO3{2-} = 2 MnO(OH)2 + 3 SO4{2-} + 2 OH{-}
S + Na = Na2S =>
S + 2 Na = Na2S
CrSO4 + O2 + H2SO4 = Cr(SO4)3 + H2O =>
CrSO4 + O2 + 2 H2SO4 = Cr(SO4)3 + 2 H2O
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Fe(NO3)3 + Na2CO3 = Fe2(CO3)3 + Na(NO3) =>
2 Fe(NO3)3 + 3 Na2CO3 = Fe2(CO3)3 + 6 Na(NO3)
ClO3 = ClO4 + Cl =>
4 ClO3 = 3 ClO4 + Cl
I2 + O2 = IO2 =>
I2 + 2 O2 = 2 IO2
H2(g) + N2(g) = NH3(g) =>
3 H2(g) + N2(g) = 2 NH3(g)
Si + HNO3 + HF = SiF4 + NO + H2O =>
3 Si + 4 HNO3 + 12 HF = 3 SiF4 + 4 NO + 8 H2O
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
CaCl + I = CaI + Cl =>
CaCl + I = CaI + Cl
NiCl2 + NaOH = Ni(OH)2 + NaCl =>
NiCl2 + 2 NaOH = Ni(OH)2 + 2 NaCl
Ca(s) + O2(s) = CaO(s) =>
2 Ca(s) + O2(s) = 2 CaO(s)
Zn(OH)2 + AlCl3 = ZnCl2 + Al(OH)3 =>
3 Zn(OH)2 + 2 AlCl3 = 3 ZnCl2 + 2 Al(OH)3
Ba{2+} + SiO3{2-} = BaSiO3 =>
Ba{2+} + SiO3{2-} = BaSiO3
HCl + K2SO3 = KCl + SO2 + H2O =>
2 HCl + K2SO3 = 2 KCl + SO2 + H2O
Ba(NO3)2 + CH3COOH = HNO3 + Ba(CH3COO)2 =>
Ba(NO3)2 + 2 CH3COOH = 2 HNO3 + Ba(CH3COO)2
Si + HNO3 + HF = H2[SiF6] + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2[SiF6] + 4 NO + 8 H2O
Al2O3 + NaOH + H2O = Na[Al(OH)4] =>
Al2O3 + 2 NaOH + 3 H2O = 2 Na[Al(OH)4]
CH3COOH(aq) + CaCO3(s) = Ca(CH3COO)2 + H2O + CO2 =>
2 CH3COOH(aq) + CaCO3(s) = Ca(CH3COO)2 + H2O + CO2
C6H5COOCH3 + KOH = C6H5COOK + CH3OH =>
C6H5COOCH3 + KOH = C6H5COOK + CH3OH
La + F2 = LaF3 =>
2 La + 3 F2 = 2 LaF3
ZnSO4 + NaOH = Zn[OH]2 + Na2SO4 =>
ZnSO4 + 2 NaOH = Zn[OH]2 + Na2SO4
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
NaBr + AgNO3 = AgBr + NaNO3 =>
NaBr + AgNO3 = AgBr + NaNO3
H2S + KOH = H2SO + HK =>
H2S + KOH = H2SO + HK
Fe + O2 + KOH = KFeO2 + H2O =>
4 Fe + 3 O2 + 4 KOH = 4 KFeO2 + 2 H2O
Si + HNO3 + HF = H2SiF6 + NO2 + H2O =>
Si + 4 HNO3 + 6 HF = H2SiF6 + 4 NO2 + 4 H2O
ZnSO4 + CO2 = ZnCO3 + SO3 =>
ZnSO4 + CO2 = ZnCO3 + SO3
Zn2 + HF = ZnF2 + H2 =>
Zn2 + 4 HF = 2 ZnF2 + 2 H2
Al2(SO4)3 + Na2SO3 = Al2(SO3)3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SO3 = Al2(SO3)3 + 3 Na2SO4
H2SO4 + HCl = HClO4 + SO2 + H2O =>
4 H2SO4 + HCl = HClO4 + 4 SO2 + 4 H2O
K2SiO3 + HNO3 = KNO3 + H2SiO3 =>
K2SiO3 + 2 HNO3 = 2 KNO3 + H2SiO3
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
CH3CHO + NaBH4 = CH3CH2OH + NaBH2 =>
CH3CHO + NaBH4 = CH3CH2OH + NaBH2
Fe(s) + S8(s) = FeS(s) =>
8 Fe(s) + S8(s) = 8 FeS(s)
KNO3 + CH3COOH = NH3 + CO2 + H2O + K =>
8 KNO3 + 9 CH3COOH = 8 NH3 + 18 CO2 + 6 H2O + 8 K
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SI + HNO3 + HF = SIF4 + NO + H2O =>
3 SI + 4 HNO3 + 12 HF = 3 SIF4 + 4 NO + 8 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/06/24
Équations équilibrées sur11/05/23
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