Équations équilibrées la veille |
Li2O*Nb2O5 + 9 N(g) = 2 LiN3 + 2 Nb + 3 NO2(g)
NaOH + Cl2 = NaClO + H2O + NaCl =>
2 NaOH + Cl2 = NaClO + H2O + NaCl
K2CrO4(aq) + Fe(NO3)2(aq) = FeCrO4 + KNO3 =>
K2CrO4(aq) + Fe(NO3)2(aq) = FeCrO4 + 2 KNO3
Ca(IO3)2 + HNO3 = Ca(NO3)2 + HIO3 =>
Ca(IO3)2 + 2 HNO3 = Ca(NO3)2 + 2 HIO3
NaNO3 + H2SO4 + KMnO4 = NaMnO4 + K2SO4 + HNO3 =>
2 NaNO3 + H2SO4 + 2 KMnO4 = 2 NaMnO4 + K2SO4 + 2 HNO3
Ca + Fe(OH)3 + H2SO4 = Fe + CaSO4 + H2O =>
3 Ca + 2 Fe(OH)3 + 3 H2SO4 = 2 Fe + 3 CaSO4 + 6 H2O
Zn(NO3)2 + NH4OH = [Zn(NH3)6](OH)2 + HNO3 + H2O =>
Zn(NO3)2 + 6 NH4OH = [Zn(NH3)6](OH)2 + 2 HNO3 + 4 H2O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
KMnO4 + KJ + H2O = MnO2 + KOH + J2 =>
2 KMnO4 + 6 KJ + 4 H2O = 2 MnO2 + 8 KOH + 3 J2
Si + H2O2 = SiO + H2O =>
Si + H2O2 = SiO + H2O
KClO3 = K2O + ClO2 + O2 =>
4 KClO3 = 2 K2O + 4 ClO2 + O2
C2O2H6 + O2 = CO2 + H2O =>
2 C2O2H6 + 5 O2 = 4 CO2 + 6 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
NaOH + CO(NH2)2 = NaOCN + H2O + NH3 =>
NaOH + CO(NH2)2 = NaOCN + H2O + NH3
HCl + MrO2 = Cl2 + MrCl2 + H2O =>
4 HCl + MrO2 = Cl2 + MrCl2 + 2 H2O
HFe + O2 = Fe2O3 + H2O =>
2 HFe + 2 O2 = Fe2O3 + H2O
HNO3 + NH3 = NNO3 + H4 =>
HNO3 + NH3 = NNO3 + H4
CaO + NaHCO3 = NaHCaCO4 =>
CaO + NaHCO3 = NaHCaCO4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
L9 = L12 =>
4 L9 = 3 L12
NaMnO4 = NaO + MnO + O2 =>
NaMnO4 = NaO + MnO + O2
Fe + Cu2{+} = Fe2{+} + Cu =>
2 Fe + Cu2{+} = Fe2{+} + 2 Cu
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C5H5 + Fe = Fe(C5H5)2 =>
2 C5H5 + Fe = Fe(C5H5)2
H2SO4 + NaCl + MnO2 = MnSO4 + NaHSO4 + H2O + Cl2 =>
3 H2SO4 + 2 NaCl + MnO2 = MnSO4 + 2 NaHSO4 + 2 H2O + Cl2
P + O2 = P7O2 =>
7 P + O2 = P7O2
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
Fe(SCN) + Na2S2O3 + CuSO4 = FeS2O3 + Na2SO4 + Cu(SCN) =>
Fe(SCN) + Na2S2O3 + CuSO4 = FeS2O3 + Na2SO4 + Cu(SCN)
K4[Fe(CN)6] + BaCl2 = Ba2[Fe(CN)6] + KCl =>
K4[Fe(CN)6] + 2 BaCl2 = Ba2[Fe(CN)6] + 4 KCl
CaF2 + Na2HPO4 = NaF + CaHPO4 =>
CaF2 + Na2HPO4 = 2 NaF + CaHPO4
K2S2O8(aq) + KI(aq) = I2(aq) + K2SO4 =>
K2S2O8(aq) + 2 KI(aq) = I2(aq) + 2 K2SO4
Co9S8 + NaOH + NaClO3 = CoO + NaCl + Na2SO4 + H2O =>
Co9S8 + 16 NaOH + 11 NaClO3 = 9 CoO + 11 NaCl + 8 Na2SO4 + 8 H2O
Mg + PtCl4 = MgCl2 + Pt =>
2 Mg + PtCl4 = 2 MgCl2 + Pt
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Al + H3C6H5O6 = Al(C6H5O6) + H2 =>
2 Al + 2 H3C6H5O6 = 2 Al(C6H5O6) + 3 H2
Pb(NO3)2 + K2CO3 = PbCO3 + KNO3 =>
Pb(NO3)2 + K2CO3 = PbCO3 + 2 KNO3
FeBr3 + CuS = Fe2S3 + CuBr2 =>
2 FeBr3 + 3 CuS = Fe2S3 + 3 CuBr2
CH3COOC2H3 + NaOH = CH3COONa + C2H3OH =>
CH3COOC2H3 + NaOH = CH3COONa + C2H3OH
S + Au3P = Au2S + P =>
3 S + 2 Au3P = 3 Au2S + 2 P
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CdS + HClO4 = Cd(ClO4)2 + H2S =>
CdS + 2 HClO4 = Cd(ClO4)2 + H2S
KJO3 + KJ + HCl = JCl + KCl + H2O =>
KJO3 + 2 KJ + 6 HCl = 3 JCl + 3 KCl + 3 H2O
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
Fe(NO3)2 + H2SO4 = Fe(SO4)2 + H2NO3 =>
Fe(NO3)2 + 2 H2SO4 = Fe(SO4)2 + 2 H2NO3
Fe(OH)2 + Cl2 = Fe(OH)2Cl =>
2 Fe(OH)2 + Cl2 = 2 Fe(OH)2Cl
CuSO4 + ZnCO3 = CuCO3 + ZnSO4 =>
CuSO4 + ZnCO3 = CuCO3 + ZnSO4
NH4N(NO2)2 = N2 + O2 + H2O =>
NH4N(NO2)2 = 2 N2 + O2 + 2 H2O
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
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