| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(s) + AgN(aq) = Ag(s) + PbN(aq)
NH4Br + AgC2H3O2 = AgBr + NH7C2O2 =>
NH4Br + AgC2H3O2 = AgBr + NH7C2O2
C3H6 + KMnO4 + H2O = C3H6O3 + KOH + MnO2 =>
C3H6 + 2 KMnO4 + H2O = C3H6O3 + 2 KOH + 2 MnO2
Ca(oh)2 + H2O = Ca(OH)2 + H2 =>
Ca(oh)2 + 4 H2O = 2 Ca(OH)2 + 2 H2
ZnO + CuCl2 = ZnCl2 + CuO =>
ZnO + CuCl2 = ZnCl2 + CuO
Zn + NaVO3 + HCl + H2SO4 = VCl2 + ZnSO4 + NaCl + H2O =>
3 Zn + 2 NaVO3 + 6 HCl + 3 H2SO4 = 2 VCl2 + 3 ZnSO4 + 2 NaCl + 6 H2O
ClO + BaOH2 = BaCl2 + H2O + O2 =>
2 ClO + BaOH2 = BaCl2 + H2O + O2
C6H12 + KMnO4 = C3H5O2K + MnO2 + H2O + KOH =>
3 C6H12 + 8 KMnO4 = 6 C3H5O2K + 8 MnO2 + 2 H2O + 2 KOH
KHCO3 + BaSO4 + H2O = BaCO3 + H2SO4 + KOH =>
KHCO3 + BaSO4 + H2O = BaCO3 + H2SO4 + KOH
Na2HPO4 + HCl = H3PO4 + NaCl =>
Na2HPO4 + 2 HCl = H3PO4 + 2 NaCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ni + PdCl2 = NiCl2 + Pd =>
Ni + PdCl2 = NiCl2 + Pd
Cl2 + KOH = KCl + ClOH =>
Cl2 + KOH = KCl + ClOH
Al2(SO4)3 + HNO3 = Al(NO3)3 + H2(SO4) =>
Al2(SO4)3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2(SO4)
KMnO4 + FeSO4 + H2SO4 = K2SO5 + MnSO4 + H2O + Fe2(SO4)3 =>
2 KMnO4 + 8 FeSO4 + 7 H2SO4 = K2SO5 + 2 MnSO4 + 7 H2O + 4 Fe2(SO4)3
CH3CH2OH + CH3CH2CH2COOH = CH3CH2CH2CH2OOCH2CH3 + H2O =>
4 CH3CH2OH + CH3CH2CH2COOH = 2 CH3CH2CH2CH2OOCH2CH3 + 2 H2O
H2SO4 + Pb = PbSO4 + H2 =>
H2SO4 + Pb = PbSO4 + H2
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
H{+} + Cu + NO3{-} = Cu(NO3)2 + NO + H2O =>
8 H{+} + 3 Cu + 8 NO3{-} = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ca(ClO3)2 + Fe = Ca + Fe(ClO3)3 =>
3 Ca(ClO3)2 + 2 Fe = 3 Ca + 2 Fe(ClO3)3
NH4CH2COOH + NaHCO3 = CH3COONa + NH3 + CO2 + H2O =>
NH4CH2COOH + NaHCO3 = CH3COONa + NH3 + CO2 + H2O
KHS + NaOH = K2S + NaHS + H2O =>
2 KHS + NaOH = K2S + NaHS + H2O
Ce{4+} + SN{2+} = Ce{3+} + SN{4+} =>
2 Ce{4+} + SN{2+} = 2 Ce{3+} + SN{4+}
NaMnO4 + NH3 = NaNO3 + MnO2 + NaOH + H2O =>
8 NaMnO4 + 3 NH3 = 3 NaNO3 + 8 MnO2 + 5 NaOH + 2 H2O
NaNO3 + KI + HCl = I2 + NaCl + H2O + NO + KCl =>
2 NaNO3 + 6 KI + 8 HCl = 3 I2 + 2 NaCl + 4 H2O + 2 NO + 6 KCl
HSO4 + Fe = Fe2(SO4)3 + SO2 + H2O =>
4 HSO4 + 2 Fe = Fe2(SO4)3 + SO2 + 2 H2O
C6H7N + O2 = CO2 + H2O + N2 =>
4 C6H7N + 31 O2 = 24 CO2 + 14 H2O + 2 N2
Fe(OH)2 + H2Co3 = H2O + Fe(Co3) =>
Fe(OH)2 + H2Co3 = 2 H2O + Fe(Co3)
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
C4H8 + Cl2 = HCl + C4H7Cl =>
C4H8 + Cl2 = HCl + C4H7Cl
Zn + Cl = ZnCl2 =>
Zn + 2 Cl = ZnCl2
H2SO3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
3 H2SO3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O
NaH = Na2H2 =>
2 NaH = Na2H2
Na3[Al(OH)6] + HCl = NaCl + Al(OH)3 + H2O =>
Na3[Al(OH)6] + 3 HCl = 3 NaCl + Al(OH)3 + 3 H2O
NaCl + Ca(NO3)2 = Na + NO3 + CaCl2 =>
2 NaCl + Ca(NO3)2 = 2 Na + 2 NO3 + CaCl2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
H(O2) = H + O =>
H(O2) = H + 2 O
NaBr + HCl = NaCl + HBr =>
NaBr + HCl = NaCl + HBr
Ba(OH)2 + K2S = Ba2S2 + KOH =>
2 Ba(OH)2 + 2 K2S = Ba2S2 + 4 KOH
K3PO4 + ZnSO4 = K2SO4 + Zn3(PO4)2 =>
2 K3PO4 + 3 ZnSO4 = 3 K2SO4 + Zn3(PO4)2
MgI2 + Pb(NO3)2 = Mg(NO3)2 + PbI2 =>
MgI2 + Pb(NO3)2 = Mg(NO3)2 + PbI2
Ni(OH)2 + NaOCl = NiOOH + NaCl + H2O =>
2 Ni(OH)2 + NaOCl = 2 NiOOH + NaCl + H2O
CuO(s) + H2SO4 = CuSO4 + H2O =>
CuO(s) + H2SO4 = CuSO4 + H2O
Ca + NH4 = CaH2 + N2 =>
4 Ca + 2 NH4 = 4 CaH2 + N2
H2O + Zn + NO3{-} = ZnO2{2-} + NH3 + H{+} =>
5 H2O + 4 Zn + NO3{-} = 4 ZnO2{2-} + NH3 + 7 H{+}
Ni2S3 + K = K2S + Ni =>
Ni2S3 + 6 K = 3 K2S + 2 Ni
KMnO4 + H2SO3 = K2SO4 + H2O + MnO2 + H2SO4 =>
2 KMnO4 + 3 H2SO3 = K2SO4 + H2O + 2 MnO2 + 2 H2SO4
CH3CH2CN + H2O + HCl = CH3CH2COOH + NH4Cl =>
CH3CH2CN + 2 H2O + HCl = CH3CH2COOH + NH4Cl
I2 + Br2 + KOH = KIO3 + KBr + H2O =>
I2 + 5 Br2 + 12 KOH = 2 KIO3 + 10 KBr + 6 H2O
HNO3 + NaN3 = N2 + NO + NaOH =>
HNO3 + NaN3 = N2 + 2 NO + NaOH
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Équations équilibrées sur12/10/24
Équations équilibrées sur01/09/24
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