| Équations équilibrées la veille |
2 HCHO + 2 Cu(OH)2 = 2 CuOH + 2 CO2 + 3 H2
NH3 + H2SO4 = (NH4)2 + SO4 =>
2 NH3 + H2SO4 = (NH4)2 + SO4
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
Ba + (NH4)2HPO4 = NH4 + BaHPO4 =>
Ba + (NH4)2HPO4 = 2 NH4 + BaHPO4
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
H3(PO4) + Ba(CO3) = Ba3(PO4)2 + H2O + CO2 =>
2 H3(PO4) + 3 Ba(CO3) = Ba3(PO4)2 + 3 H2O + 3 CO2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
ZnSO3 + HClO4 = SO2 + H2O + Zn(ClO4)2 =>
ZnSO3 + 2 HClO4 = SO2 + H2O + Zn(ClO4)2
C7H15OH + KMnO4 + H2SO4 = C7H14O2 + MnSO4 + K2SO4 + H2O =>
5 C7H15OH + 4 KMnO4 + 6 H2SO4 = 5 C7H14O2 + 4 MnSO4 + 2 K2SO4 + 11 H2O
CaCl2 + Ca(OH)2 + CO2 = CaCO3 + HCl =>
CaCl2 + Ca(OH)2 + 2 CO2 = 2 CaCO3 + 2 HCl
Na[Cr(OH)6] + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na[Cr(OH)6] + Br2 + 4 NaOH = 2 Na2CrO4 + 2 NaBr + 8 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
SiO2 + HCl = Si + H2O + Cl2 =>
SiO2 + 4 HCl = Si + 2 H2O + 2 Cl2
Na2Cr2O7 + HCl + H2SO4 = CrO2Cl2 + H2O + Na2SO4 =>
Na2Cr2O7 + 4 HCl + H2SO4 = 2 CrO2Cl2 + 3 H2O + Na2SO4
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
S + H2O = SH + H2SO4 =>
7 S + 4 H2O = 6 SH + H2SO4
O2 + S = SO =>
O2 + 2 S = 2 SO
Hg2S2 + O2 = SO2 + Hg =>
Hg2S2 + 2 O2 = 2 SO2 + 2 Hg
PdCl2 + HNO3 = Pd(NO3)2 + HCl =>
PdCl2 + 2 HNO3 = Pd(NO3)2 + 2 HCl
CH3CHOHCOOH + O = CO2 + H2O =>
CH3CHOHCOOH + 6 O = 3 CO2 + 3 H2O
NO2NaOH = NaNO2NaNO3H2O =>
2 NO2NaOH = NaNO2NaNO3H2O
Ni2(SO4)2 + K3(PO4) = Ni3(PO4)2 + K2SO4 =>
3 Ni2(SO4)2 + 4 K3(PO4) = 2 Ni3(PO4)2 + 6 K2SO4
C6H5CH3 + KMnO4 + NaOH = C6H5COONa + KOH + H2O + MnO2 =>
C6H5CH3 + 2 KMnO4 + NaOH = C6H5COONa + 2 KOH + H2O + 2 MnO2
HIO3 + H2O + P = HI + H3PO4 =>
5 HIO3 + 9 H2O + 6 P = 5 HI + 6 H3PO4
Zn + KOH = K2 + ZnO2 + H2O =>
Zn + 4 KOH = 2 K2 + ZnO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH4 + H2O = CO2 + H2 =>
CH4 + 2 H2O = CO2 + 4 H2
Pb(NO3)4 + Ca = Ca(NO3)4 + Pb =>
Pb(NO3)4 + Ca = Ca(NO3)4 + Pb
H2O + CaCl2 = H2 + Ca(OH)2 + Cl2 =>
2 H2O + CaCl2 = H2 + Ca(OH)2 + Cl2
FeCl3 + I2 = ICl3 + Fe =>
2 FeCl3 + I2 = 2 ICl3 + 2 Fe
HfS2 + O2 = HfO2 + SO3 =>
HfS2 + 4 O2 = HfO2 + 2 SO3
HBr + KBrO3 + CH3CO2H = Br2 + CH3CO2K + H2O =>
5 HBr + KBrO3 + CH3CO2H = 3 Br2 + CH3CO2K + 3 H2O
HNO2 + Al = Al(NO2)3 + H2 =>
6 HNO2 + 2 Al = 2 Al(NO2)3 + 3 H2
H3PO4 + MgHO = Mg3PO4 + H2O =>
H3PO4 + 3 MgHO = Mg3PO4 + 3 H2O
NH3 + NO = N20 + H2O =>
8 NH3 + 12 NO = N20 + 12 H2O
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
ClCH2CH2SCH2CH2Cl + H2O = OHCH2CH2SCH2CH2OH + HCl =>
ClCH2CH2SCH2CH2Cl + 2 H2O = OHCH2CH2SCH2CH2OH + 2 HCl
Al2Si2O7 + Na2CO3 = NaAlSiO4 + CO2 =>
Al2Si2O7 + Na2CO3 = 2 NaAlSiO4 + CO2
Br + NaOH = NaBr + NaBrO3 + H2O =>
6 Br + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
NO3 + Fe + H2O = NH3 + Fe(OH)2 =>
2 NO3 + 9 Fe + 12 H2O = 2 NH3 + 9 Fe(OH)2
Cu2Cl + Ni = Cu + Ni3Cl =>
Cu2Cl + 3 Ni = 2 Cu + Ni3Cl
H2CO3 + MgOH = MgHCO3 + H2O =>
H2CO3 + MgOH = MgHCO3 + H2O
CuCl2(s) + KI(aq) = CuI2(s) + KCl(aq) =>
CuCl2(s) + 2 KI(aq) = CuI2(s) + 2 KCl(aq)
H2O + C5H5N = OH + HC5H5N =>
H2O + C5H5N = OH + HC5H5N
Cr2O3 + Na2CO3 + KNO4 = Na2Cr2O7 + CO2 + KNO3 =>
Cr2O3 + Na2CO3 + 3 KNO4 = Na2Cr2O7 + CO2 + 3 KNO3
SiO2 + Na2CO3 = Na2SiO3 + CO2 =>
SiO2 + Na2CO3 = Na2SiO3 + CO2
NAl + Pb(NO3)2 = Al(NO3) + PbN2 =>
2 NAl + Pb(NO3)2 = 2 Al(NO3) + PbN2
C17H19NO3 + C17H26NO3 = C2H6O + CO2 + C28H33N2 =>
C17H19NO3 + C17H26NO3 = 2 C2H6O + 2 CO2 + C28H33N2
NH4I(aq) + NaOH = NH3(g) + NaI(aq) + H2O(l) =>
NH4I(aq) + NaOH = NH3(g) + NaI(aq) + H2O(l)
HNO3 + Na2CO3 = H2CO3 + NaNO3 =>
2 HNO3 + Na2CO3 = H2CO3 + 2 NaNO3
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Équations équilibrées sur01/08/25
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