Équations équilibrées la veille |
2 H2CO3 + 2 Be(OH)2 = Be2(CO3)2 + 4 H2O
C6H5CH2Br + KMnO4 = C6H5COOK + MnO2 + KOH + H2O + HBr =>
3 C6H5CH2Br + 4 KMnO4 = 3 C6H5COOK + 4 MnO2 + KOH + H2O + 3 HBr
V(OH)3 = V2O3 + H2O =>
2 V(OH)3 = V2O3 + 3 H2O
Mg + O4 = MgO =>
4 Mg + O4 = 4 MgO
C2H2 + Na = C2HNa + H2 =>
2 C2H2 + 2 Na = 2 C2HNa + H2
FeOHCl = FeClHO =>
FeOHCl = FeClHO
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
(CN)2 + O2 = CO2 + NO2 =>
(CN)2 + 4 O2 = 2 CO2 + 2 NO2
Na2CO3SO3 = Na2SO4CO2 =>
Na2CO3SO3 = Na2SO4CO2
PU + Cl2 = PUCl3 =>
2 PU + 3 Cl2 = 2 PUCl3
KC8H4O4H + NaOH = NaKC8H4O4 + H2O =>
KC8H4O4H + NaOH = NaKC8H4O4 + H2O
Ca(HCO3)2 + HI = CaI2 + H2O + CO2 =>
Ca(HCO3)2 + 2 HI = CaI2 + 2 H2O + 2 CO2
HC2H5O2 + NaOH = NaC2H5O2 + H2O =>
HC2H5O2 + NaOH = NaC2H5O2 + H2O
Zn(OH)2 + Cl2 = ZnCl2 + OH =>
Zn(OH)2 + Cl2 = ZnCl2 + 2 OH
NaOH + N2O + H2O = NaNO3 + H2 =>
2 NaOH + N2O + 3 H2O = 2 NaNO3 + 4 H2
ZnOCu = ZnCuO =>
ZnOCu = ZnCuO
Br + O2 = Br2O3 =>
4 Br + 3 O2 = 2 Br2O3
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
C2H5SO3H + O2 = CO2 + H2O + SO2 =>
C2H5SO3H + 3 O2 = 2 CO2 + 3 H2O + SO2
HC2H5O2 + NaOH = NaC2H5O2 + H2O =>
HC2H5O2 + NaOH = NaC2H5O2 + H2O
Cr + Ni(NO2)2 = Ni + Cr(NO2)3 =>
2 Cr + 3 Ni(NO2)2 = 3 Ni + 2 Cr(NO2)3
Fe3(CO3) = Fe3O + CO2 =>
Fe3(CO3) = Fe3O + CO2
C6H6 + IBr = C6H5Br + IH =>
C6H6 + IBr = C6H5Br + IH
Cd(NO3)2 + NH3 = Cd(NH3)4(NO3)2 =>
Cd(NO3)2 + 4 NH3 = Cd(NH3)4(NO3)2
F + Pb = PbF2 =>
2 F + Pb = PbF2
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
Fe(OH)2 = Fe3O4 + H2O + H2 =>
3 Fe(OH)2 = Fe3O4 + 2 H2O + H2
XeO2 = Xe + XeO3 =>
3 XeO2 = Xe + 2 XeO3
(C3H6O) + O2 = CO2 + H2O =>
(C3H6O) + 4 O2 = 3 CO2 + 3 H2O
C6H12O6 = CH2O =>
C6H12O6 = 6 CH2O
CH3NH3 + Cl + NaOH = CH3NH2 + H2O + NaCl =>
CH3NH3 + Cl + NaOH = CH3NH2 + H2O + NaCl
HNO2 + NaOH = NaNO2 + H2O =>
HNO2 + NaOH = NaNO2 + H2O
(NH4)2CO3 + C4H6CaO4 = C2H3O2NH4 + CaCO3 =>
(NH4)2CO3 + C4H6CaO4 = 2 C2H3O2NH4 + CaCO3
Rb2[Cd(CN)4]CrBr3 = Cr[Cd(CN)4]Rb2Br3 =>
Rb2[Cd(CN)4]CrBr3 = Cr[Cd(CN)4]Rb2Br3
SO2 + K2SO4 = K2S + SO4 =>
2 SO2 + K2SO4 = K2S + 2 SO4
H2 = H =>
H2 = 2 H
Al + Ba(OH)2 = Al(OH)2 + Ba =>
Al + Ba(OH)2 = Al(OH)2 + Ba
Ca(NO2)2 + Na3PO4 = Ca3(PO4)2 + NaNO2 =>
3 Ca(NO2)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO2
C6H5OCOCH3 + KOH = CH3OH + C6H5COOK =>
C6H5OCOCH3 + KOH = CH3OH + C6H5COOK
Ca(NO3)2(aq) + Na3PO4(aq) = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2 + 6 NaNO3
NaOH(aq) + MgCl2 = NaCl(aq) + Mg(OH)2 =>
2 NaOH(aq) + MgCl2 = 2 NaCl(aq) + Mg(OH)2
Pb + K2CrO4 = PbCrO4 + K2 =>
Pb + K2CrO4 = PbCrO4 + K2
CH3COONa + CH3CH2Cl = CH3COOCH2CH3 + NaCl =>
CH3COONa + CH3CH2Cl = CH3COOCH2CH3 + NaCl
Ca(OH)2 + H3NO4 = H2O + Ca3(NO4)2 =>
3 Ca(OH)2 + 2 H3NO4 = 6 H2O + Ca3(NO4)2
HCl(aq) + K2SO3(aq) = H2SO3(aq) + KCl(aq) =>
2 HCl(aq) + K2SO3(aq) = H2SO3(aq) + 2 KCl(aq)
Na(NO3) + HBr = NaBr + HNO3 =>
Na(NO3) + HBr = NaBr + HNO3
Ni(s) + MgSO4(Ag) = NiSO4(Ag) + Mg(s) =>
Ni(s) + MgSO4(Ag) = NiSO4(Ag) + Mg(s)
FeBr3 + Zn = ZnBr2 + Fe =>
2 FeBr3 + 3 Zn = 3 ZnBr2 + 2 Fe
Al + HCl2 = AlCl3 + H3 =>
2 Al + 3 HCl2 = 2 AlCl3 + H3
Al(OH)3 + NaOH(excess) = NaAlO2 + H2O =>
Al(OH)3 + NaOH(excess) = NaAlO2 + 2 H2O
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