| Équations équilibrées la veille |
2 Al + 3 Cu(NO3)2(aq) = 2 Al(NO3)3 + 3 Cu
KI + C6H14 + Cl2 = KCl + CI + H =>
6 KI + C6H14 + 3 Cl2 = 6 KCl + 6 CI + 14 H
C2H2 + [Cu(NH3)2]Cl = C2Cu2 + NH3 + HCl =>
C2H2 + 2[Cu(NH3)2]Cl = C2Cu2 + 4 NH3 + 2 HCl
ClO{-} + Cr{3+} + H2O = Cl{-} + Cr2O7{2-} + H{+} =>
3 ClO{-} + 2 Cr{3+} + 4 H2O = 3 Cl{-} + Cr2O7{2-} + 8 H{+}
C6H4NO2(CH2)2C6H4NO2 + H2 = C6H4NH2(CH2)2C6H4NH2 + H2O =>
C6H4NO2(CH2)2C6H4NO2 + 6 H2 = C6H4NH2(CH2)2C6H4NH2 + 4 H2O
BrO{-} + CO(NH2)2 = N2 + CO2 + Br{-} + H2O =>
3 BrO{-} + CO(NH2)2 = N2 + CO2 + 3 Br{-} + 2 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Hg4Fe(CN)6 + ClO3{-} + H{+} = Cl{-} + NO + CO2 + Fe{+3} + Hg{+2} + H2O =>
6 Hg4Fe(CN)6 + 47 ClO3{-} + 66 H{+} = 47 Cl{-} + 36 NO + 36 CO2 + 6 Fe{+3} + 24 Hg{+2} + 33 H2O
Rb + F2 = RbF =>
2 Rb + F2 = 2 RbF
Al(OH)3 + CaSO4 = Al2(SO4)3 + Ca(OH)2 =>
2 Al(OH)3 + 3 CaSO4 = Al2(SO4)3 + 3 Ca(OH)2
H2 + O2 = H2(O2)2 =>
H2 + 2 O2 = H2(O2)2
Ba3 + IO3 = Ba(IO3)2 =>
Ba3 + 6 IO3 = 3 Ba(IO3)2
I2 + NH4F = NH4I2 + F2 =>
2 I2 + 2 NH4F = 2 NH4I2 + F2
Cu(OH)2 + SO3 = CuSO4 + H2O =>
Cu(OH)2 + SO3 = CuSO4 + H2O
Mg2(SO4)2 = MgSO4 =>
Mg2(SO4)2 = 2 MgSO4
C6H12 + H2O + KMnO4 = C6O2H14 + MnO2 + KOH =>
3 C6H12 + 4 H2O + 2 KMnO4 = 3 C6O2H14 + 2 MnO2 + 2 KOH
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
FeCl3*6H2O + NaBH4 + H2O = Fe + NaCl + B(OH)3 + H2 =>
2 FeCl3*6H2O + 6 NaBH4 + 6 H2O = 2 Fe + 6 NaCl + 6 B(OH)3 + 21 H2
C2H6O + CrO7{2-} + H{+} = C2H4O + H2O + Cr{3+} =>
9 C2H6O + 2 CrO7{2-} + 10 H{+} = 9 C2H4O + 14 H2O + 2 Cr{3+}
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
BaCl2 + H2S = HCl + BaS =>
BaCl2 + H2S = 2 HCl + BaS
KMnO4 + C2O4Na2 + H2SO4 = MnSO4 + CO2 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 C2O4Na2 + 8 H2SO4 = 2 MnSO4 + 10 CO2 + 5 Na2SO4 + K2SO4 + 8 H2O
RbCO3Ba(NO3)2 = BaCO3Rb(NO3)2 =>
RbCO3Ba(NO3)2 = BaCO3Rb(NO3)2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
C6H5CH2OH + H2O2 = C6H5CHO + H2O =>
C6H5CH2OH + H2O2 = C6H5CHO + 2 H2O
K2CrO4(aq) + HC2H3O2(aq) = KC2H3O2(aq) + H2CrO4(aq) =>
K2CrO4(aq) + 2 HC2H3O2(aq) = 2 KC2H3O2(aq) + H2CrO4(aq)
Cu + HBr = H2 + CuBr2 =>
Cu + 2 HBr = H2 + CuBr2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
NiCO3 + Al(OH)3 = Ni(OH)2 + Al2(CO3)3 =>
3 NiCO3 + 2 Al(OH)3 = 3 Ni(OH)2 + Al2(CO3)3
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
NiCO3 + Al(OH)3 = Ni(OH)2 + Al2(CO3)3 =>
3 NiCO3 + 2 Al(OH)3 = 3 Ni(OH)2 + Al2(CO3)3
Cr(OH)4{-} + OH{-} + H2O2 = CrO4{2-} + H2O =>
2 Cr(OH)4{-} + 2 OH{-} + 3 H2O2 = 2 CrO4{2-} + 8 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NH3H2S = (NH3)H2S =>
NH3H2S = (NH3)H2S
H3PO4 + RbOH = H2O + Rb3PO4 =>
H3PO4 + 3 RbOH = 3 H2O + Rb3PO4
KCl + Na(NO3) = K(NO3) + NaCl =>
KCl + Na(NO3) = K(NO3) + NaCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KMnO4 + SiH4 + H2SO4 = K2SO4 + MnSO4 + H2SiO3 + H2 =>
6 KMnO4 + 8 SiH4 + 9 H2SO4 = 3 K2SO4 + 6 MnSO4 + 8 H2SiO3 + 17 H2
F2 + NaOH = O2 + H2O + NaF =>
2 F2 + 4 NaOH = O2 + 2 H2O + 4 NaF
K20 + HNO3 = KNO3 + NH3 + H2O =>
2 K20 + 45 HNO3 = 40 KNO3 + 5 NH3 + 15 H2O
Ca(OH)2 + Sr = Sr(OH)2 + Ca =>
Ca(OH)2 + Sr = Sr(OH)2 + Ca
Fe(OH)3 + Cl2 + KOH = K[Fe(OH)4Cl2] =>
Fe(OH)3 + Cl2 + KOH = K[Fe(OH)4Cl2]
(NH4)2S + NaI = NH4I + Na2S =>
(NH4)2S + 2 NaI = 2 NH4I + Na2S
CuCO3 + Hg = HgCO3 + Cu =>
CuCO3 + Hg = HgCO3 + Cu
Ra2 + H2O = RaOH + H2 =>
Ra2 + 2 H2O = 2 RaOH + H2
CaS + Na = Na2S + Ca =>
CaS + 2 Na = Na2S + Ca
LiOH + Fe2O3 = Li5FeO4 + H2O =>
10 LiOH + Fe2O3 = 2 Li5FeO4 + 5 H2O
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