| Équations équilibrées la veille |
2 Cl2 + 4 NaOH = 3 NaCl + NaClO2 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2PO2 + PH3 = P4 + H2O =>
12 H2PO2 + 8 PH3 = 5 P4 + 24 H2O
NaCN + H2O = HCN + Na2O =>
2 NaCN + H2O = 2 HCN + Na2O
NaCN + H2O = HCOONa + NH3 =>
NaCN + 2 H2O = HCOONa + NH3
Fe(OH)3 + KOH + Br2 = K2FeO4 + KBr + H2O =>
2 Fe(OH)3 + 10 KOH + 3 Br2 = 2 K2FeO4 + 6 KBr + 8 H2O
Pb + HNO3 = Pb(NO3)2 + H2 =>
Pb + 2 HNO3 = Pb(NO3)2 + H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe(conc) + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe(conc) + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
MgO(s) + HI(aq) = H2O(l) + MgI2(aq) =>
MgO(s) + 2 HI(aq) = H2O(l) + MgI2(aq)
KH + Cl2 = KCl + H2 =>
2 KH + Cl2 = 2 KCl + H2
Zn(C2H3O2)2 + NH4OH = Zn(OH)2 + NH4C2H3O2 =>
Zn(C2H3O2)2 + 2 NH4OH = Zn(OH)2 + 2 NH4C2H3O2
K2CrO4 + Ba(NO3)2 = KNO3 + BaCrO4 =>
K2CrO4 + Ba(NO3)2 = 2 KNO3 + BaCrO4
K + Mg2Br = KBr + Mg =>
K + Mg2Br = KBr + 2 Mg
N2 + O2 + H2O = NH4NO3 =>
2 N2 + O2 + 4 H2O = 2 NH4NO3
CuO + NH3 = H2O + N2 + Cu =>
3 CuO + 2 NH3 = 3 H2O + N2 + 3 Cu
Fe(MnO4)3 + Be(HCO3)2 = Be(MnO4)2 + Fe(HCO3)3 =>
2 Fe(MnO4)3 + 3 Be(HCO3)2 = 3 Be(MnO4)2 + 2 Fe(HCO3)3
K3PO4 + Al(NO3)3 = KNO3 + AlPO4 =>
K3PO4 + Al(NO3)3 = 3 KNO3 + AlPO4
C3H6 + Br2 + H2O = CH3CH(OH)CH2Br + HBr =>
C3H6 + Br2 + H2O = CH3CH(OH)CH2Br + HBr
As2S5 + HNO3 = H3AsO4 + NO2 + S + H2O =>
As2S5 + 10 HNO3 = 2 H3AsO4 + 10 NO2 + 5 S + 2 H2O
KAl(SO4)2 + NaOH = K[Al(SO4)2](OH)4 + Na2 =>
KAl(SO4)2 + 4 NaOH = K[Al(SO4)2](OH)4 + 2 Na2
C5H11OH + KMnO4 + H2SO4 = C5H10O2 + K2SO4 + MnSO4 + H2O =>
5 C5H11OH + 4 KMnO4 + 6 H2SO4 = 5 C5H10O2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
Mn(OH)2 + O2 + H2O = Mn(OH)4 =>
2 Mn(OH)2 + O2 + 2 H2O = 2 Mn(OH)4
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
CH3CH2OH + O2 = CH3CHO + H2O =>
2 CH3CH2OH + O2 = 2 CH3CHO + 2 H2O
Zn(s) + CUSO4(aq) = ZnSO4(aq) + CU(s) =>
Zn(s) + CUSO4(aq) = ZnSO4(aq) + CU(s)
Sn + I2 = SnI2 =>
Sn + I2 = SnI2
Mg + HNO3 = Mg(NO3)2 + NO2*H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2*H2O
Fe2S3 + H2O + O2 = Fe(OH)3 + S =>
2 Fe2S3 + 6 H2O + 3 O2 = 4 Fe(OH)3 + 6 S
Ca + Li3PO4 = Ca3(PO4)2 + Li =>
3 Ca + 2 Li3PO4 = Ca3(PO4)2 + 6 Li
C6H5CH3NO2 + Fe + HCl = C6H5CH3NH3Cl + FeCl2 + H2O =>
C6H5CH3NO2 + 3 Fe + 7 HCl = C6H5CH3NH3Cl + 3 FeCl2 + 2 H2O
Fe + NO3{-} + H{+} = Fe{3+} + H2O + N2O =>
8 Fe + 6 NO3{-} + 30 H{+} = 8 Fe{3+} + 15 H2O + 3 N2O
Pb(NO3)2(aq) + KCl(aq) = KNO3(aq) + PbCl2 =>
Pb(NO3)2(aq) + 2 KCl(aq) = 2 KNO3(aq) + PbCl2
C2 + Cu = C2Cu =>
C2 + Cu = C2Cu
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2 + Al2O3 = Al2O2 + H2O =>
H2 + Al2O3 = Al2O2 + H2O
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
Ba(HSO3)2 = BaSO3 + H2O + SO2 =>
Ba(HSO3)2 = BaSO3 + H2O + SO2
Co + F = CoF3 =>
Co + 3 F = CoF3
Cu(NO3)2 + KOH = CuOH + K + NO3 =>
Cu(NO3)2 + KOH = CuOH + K + 2 NO3
K2[Zn(OH)4] = ZnO + KOH + H2O =>
K2[Zn(OH)4] = ZnO + 2 KOH + H2O
Pb(NO3)2 + NaCl = Na(NO3)2 + PbCl =>
Pb(NO3)2 + NaCl = Na(NO3)2 + PbCl
Ca3(PO4)2 + Al = Ca + Al(PO4) =>
Ca3(PO4)2 + 2 Al = 3 Ca + 2 Al(PO4)
As2S3 + K2Cr2O7 + H3PO4 = CrPO4 + HAsO3 + KH2PO4 + K2SO4 + H2O =>
3 As2S3 + 14 K2Cr2O7 + 38 H3PO4 = 28 CrPO4 + 6 HAsO3 + 10 KH2PO4 + 9 K2SO4 + 44 H2O
C6H8O6(aq) + I2(aq) = C6H6O6(aq) + HI(aq) =>
C6H8O6(aq) + I2(aq) = C6H6O6(aq) + 2 HI(aq)
Sn + I2 = SnI4 =>
Sn + 2 I2 = SnI4
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Équations équilibrées sur10/19/24
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