| Équations équilibrées la veille |
Al3 + 3 C2H3O2 = 3 AlC2H3O2
Ni + HNO3 = Ni(NO3)2(aq) + H2O + NO =>
3 Ni + 8 HNO3 = 3 Ni(NO3)2(aq) + 4 H2O + 2 NO
Fe(HCO3)3 + MgSe = Fe2Se3 + Mg(HCO3)2 =>
2 Fe(HCO3)3 + 3 MgSe = Fe2Se3 + 3 Mg(HCO3)2
C6H12O6 + H2SO4 = H2O + SO2 + CO2 =>
C6H12O6 + 12 H2SO4 = 18 H2O + 12 SO2 + 6 CO2
C2Cl4O2 + KOH = H2O + CO2 + KCl =>
C2Cl4O2 + 4 KOH = 2 H2O + 2 CO2 + 4 KCl
Fe(NO3)3 + K2CO3 = Fe2(CO3)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2CO3 = Fe2(CO3)3 + 6 KNO3
MnO4{-} + Co(NO2)6{-3} + H{+} = Mn{2+} + NO3{-} + H2O + Co{+2} =>
11 MnO4{-} + 5 Co(NO2)6{-3} + 28 H{+} = 11 Mn{2+} + 30 NO3{-} + 14 H2O + 5 Co{+2}
As2S3 + HNO3(cc) = H3AsO4 + H2SO4 + H2O + NO2 =>
As2S3 + 28 HNO3(cc) = 2 H3AsO4 + 3 H2SO4 + 8 H2O + 28 NO2
(NH4)2SO4 + Ba(NO3)2 = (NH4)2Ba + SO4(NO3)2 =>
(NH4)2SO4 + Ba(NO3)2 = (NH4)2Ba + SO4(NO3)2
MnO4{-} + HSO3{-} = MnO2 + SO4{2-} + H{+} + H2O =>
2 MnO4{-} + 3 HSO3{-} = 2 MnO2 + 3 SO4{2-} + H{+} + H2O
HNO3 + Zn = Zn(NO3)2 + NH4(NO3)1 + H2O =>
10 HNO3 + 4 Zn = 4 Zn(NO3)2 + NH4(NO3)1 + 3 H2O
K2Cr2O7 + NaI + H2O = Cr2O3 + NaIO3 + KOH =>
K2Cr2O7 + NaI + H2O = Cr2O3 + NaIO3 + 2 KOH
FeCO3 + C2H4O2 = Fe(C2H3O2)2 + CO2 + H2O =>
FeCO3 + 2 C2H4O2 = Fe(C2H3O2)2 + CO2 + H2O
Pb(SO4)2 + NaCl = Na2(SO4) + PbCl4 =>
Pb(SO4)2 + 4 NaCl = 2 Na2(SO4) + PbCl4
NaOH + Al(OH)3 + SiO2 = Na2Al2Si50O104 + H2O =>
2 NaOH + 2 Al(OH)3 + 50 SiO2 = Na2Al2Si50O104 + 4 H2O
Al2O3 + KBr = AlBr3 + K2O =>
Al2O3 + 6 KBr = 2 AlBr3 + 3 K2O
As + HCl = AsCl + H2 =>
2 As + 2 HCl = 2 AsCl + H2
C8H20 + O2 = CO2 + H2O =>
C8H20 + 13 O2 = 8 CO2 + 10 H2O
CH4 + Cl = CHCl3 + HCl =>
CH4 + 6 Cl = CHCl3 + 3 HCl
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + 2 NaNO3(aq)
Ni(s) + HCl(aq) = H2(g) + NiCl2(aq) =>
Ni(s) + 2 HCl(aq) = H2(g) + NiCl2(aq)
(NH4)2O + HIO4 = NH4IO4 + H2O =>
(NH4)2O + 2 HIO4 = 2 NH4IO4 + H2O
CaO + SiO2 + Na2CO3 = CaO2 + CO2 + Na2Si =>
3 CaO + SiO2 + Na2CO3 = 3 CaO2 + CO2 + Na2Si
CrO4H2O2 = CrO(O2)2H2O =>
CrO4H2O2 = CrO(O2)2H2O
CuSO4(aq) + NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq)
AlI3 + Br = AlBr3 + I =>
AlI3 + 3 Br = AlBr3 + 3 I
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
Ba(OH)2 + Ba(ClO3) + Cr2O3 = BaCrO4 + BaCl2 + H2O =>
7 Ba(OH)2 + 6 Ba(ClO3) + 5 Cr2O3 = 10 BaCrO4 + 3 BaCl2 + 7 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NH4(aq) + OH(aq) = NH3 + H2O =>
NH4(aq) + OH(aq) = NH3 + H2O
Cu + HNO3 = Cu(NO3)2 + NNO2 + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + NNO2 + 4 H2O
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Co59 = Co60 =>
60 Co59 = 59 Co60
H2SO4 + Na(OH)2 = Na2(SO4)2 + H2O =>
2 H2SO4 + 2 Na(OH)2 = Na2(SO4)2 + 4 H2O
K2Cr2O7 + Na2SO3 + H2SO4 = K2SO4 + Cr2(SO4)2 + Na2SO4 + H2O2 =>
K2Cr2O7 + Na2SO3 + 3 H2SO4 = K2SO4 + Cr2(SO4)2 + Na2SO4 + 3 H2O2
Al + NiSO4 = Al6(SO4)6 + Ni =>
6 Al + 6 NiSO4 = Al6(SO4)6 + 6 Ni
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
CuSO4(aq) + KI(aq) = CuI2(s) + K2SO4(aq) =>
CuSO4(aq) + 2 KI(aq) = CuI2(s) + K2SO4(aq)
NaHSO3NaOH = H2ONa2SO3 =>
NaHSO3NaOH = H2ONa2SO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
HO2 = H2 + O2 =>
2 HO2 = H2 + 2 O2
Al + Ba(OH)2 = Al2O3 + H2 + Ba =>
4 Al + 3 Ba(OH)2 = 2 Al2O3 + 3 H2 + 3 Ba
Ca + H3PO3 = Ca3(PO3)2 + H2 =>
3 Ca + 2 H3PO3 = Ca3(PO3)2 + 3 H2
NiSO4 + H2O = [Ni(H2O)6]SO4 =>
NiSO4 + 6 H2O = [Ni(H2O)6]SO4
Mg + NaOH + H2O = Na2Mg(OH)4 + H2 =>
Mg + 2 NaOH + 2 H2O = Na2Mg(OH)4 + H2
CH3COOCH3 + H2O = CH3COOH + CH3O =>
2 CH3COOCH3 + 2 H2O = CH3COOH + 4 CH3O
Hg2(NO3)2 + CuSO4 = Hg2SO4 + Cu(NO3)2 =>
Hg2(NO3)2 + CuSO4 = Hg2SO4 + Cu(NO3)2
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