| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
MnCl2 + NaOH = Mn(OH)2 + NaCl =>
MnCl2 + 2 NaOH = Mn(OH)2 + 2 NaCl
CaCO3 + H3PO4 = Ca3(PO4)2 + H2O + CO2 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2O + 3 CO2
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
NH3 + O2 = NO + H2O = =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
As2S3 + H2O2 + NH3 = (NH4)2(SO4) + (NH4)3(AsO4) + H2O =>
As2S3 + 14 H2O2 + 12 NH3 = 3(NH4)2(SO4) + 2(NH4)3(AsO4) + 8 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
I2 + H{+} + NO3{-} = IO3{-} + NO2 + H2O =>
I2 + 8 H{+} + 10 NO3{-} = 2 IO3{-} + 10 NO2 + 4 H2O
Na2SiO3 + H2O = SiO2 + NaOH =>
Na2SiO3 + H2O = SiO2 + 2 NaOH
IO3{-} + H{+} + I{-} = I2 + H2O =>
IO3{-} + 6 H{+} + 5 I{-} = 3 I2 + 3 H2O
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cr(OH)3 + H2SO4 = Cr2(SO4)3 + H2O =>
2 Cr(OH)3 + 3 H2SO4 = Cr2(SO4)3 + 6 H2O
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
CuCl + SO2 + HCl = CuCl2 + H2O + S =>
4 CuCl + SO2 + 4 HCl = 4 CuCl2 + 2 H2O + S
CrI3 + K(OH) + Br2 = K2IO7 + K2(CrO4) + KBr + H2O =>
CrI3 + 50 K(OH) + 21 Br2 = 3 K2IO7 + K2(CrO4) + 42 KBr + 25 H2O
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
Fe + HCl = FeCl + H =>
Fe + HCl = FeCl + H
CuCl + SO2 + HCl = CuCl2 + H2O + S =>
4 CuCl + SO2 + 4 HCl = 4 CuCl2 + 2 H2O + S
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na + H2O = Na{+} + OH{-} + H2 =>
2 Na + 2 H2O = 2 Na{+} + 2 OH{-} + H2
H3O + O = H2O =>
2 H3O + O = 3 H2O
NaOH + Fe(NO2)3 = FeOH + Na(NO2)3 =>
NaOH + Fe(NO2)3 = FeOH + Na(NO2)3
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
CoCl2 + NH4SCN = Co[Co(SCN)4] + NH4Cl =>
2 CoCl2 + 4 NH4SCN = Co[Co(SCN)4] + 4 NH4Cl
AlH3 + H2O = Al(OH)3 + H2 =>
AlH3 + 3 H2O = Al(OH)3 + 3 H2
Pb(s) + HNO3(aq) = Pb(NO3)2(aq) + NO(g) + H2O(l) =>
3 Pb(s) + 8 HNO3(aq) = 3 Pb(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
KMnO4 + C12H22O11 = K2CO3 + MnO2 + CO2 + H2O =>
16 KMnO4 + C12H22O11 = 8 K2CO3 + 16 MnO2 + 4 CO2 + 11 H2O
Al + AgClO3 = Ag + Al(ClO3)3 =>
Al + 3 AgClO3 = 3 Ag + Al(ClO3)3
NBr3(s) + NaOH(aq) = N2(g) + NaBr(aq) + HOBr(aq) =>
2 NBr3(s) + 3 NaOH(aq) = N2(g) + 3 NaBr(aq) + 3 HOBr(aq)
KMnO4 + C12H22O11 = K2CO3 + MnO2 + CO2 + H2O =>
16 KMnO4 + C12H22O11 = 8 K2CO3 + 16 MnO2 + 4 CO2 + 11 H2O
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
NaOH + HC2H3O2 = NaC2H3O2 + H2O =>
NaOH + HC2H3O2 = NaC2H3O2 + H2O
I2O5(s) + NO(g) = N2O4(g) + I2(s) =>
2 I2O5(s) + 10 NO(g) = 5 N2O4(g) + 2 I2(s)
K4[Fe(CN)6] + FeCl3 = Fe[FeFe(CN)6]3 + K + Cl =>
3 K4[Fe(CN)6] + 4 FeCl3 = Fe[FeFe(CN)6]3 + 12 K + 12 Cl
K4[Fe(CN)6] + FeSO4 = Fe + [Fe(CN)6] + K2SO4 =>
K4[Fe(CN)6] + 2 FeSO4 = 2 Fe + [Fe(CN)6] + 2 K2SO4
CaS + H3PO4 = CaPO4 + H3S =>
CaS + H3PO4 = CaPO4 + H3S
C3H8O3 = CH4 + CO2 + H2O =>
4 C3H8O3 = 7 CH4 + 5 CO2 + 2 H2O
CaS + H3PO4 = CaPO4 + H3S =>
CaS + H3PO4 = CaPO4 + H3S
CuSO4 + Na2CO3 + H2O = CO2 + (CuOH)2CO3 + Na2SO4 =>
2 CuSO4 + 2 Na2CO3 + H2O = CO2 + (CuOH)2CO3 + 2 Na2SO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K4Fe(CN)6 + K(MnO4) + H2SO4 = K2(SO4) + Mn2(SO4) + Fe2(SO4)3 + CO2 + N2 + H2O =>
12 K4Fe(CN)6 + 62 K(MnO4) + 104 H2SO4 = 55 K2(SO4) + 31 Mn2(SO4) + 6 Fe2(SO4)3 + 72 CO2 + 36 N2 + 104 H2O
K4Fe(CN)2 + K(MnO4) + H2SO4 = K2(SO4) + Mn2(SO4) + Fe2(SO4)3 + CO2 + N2 + H2O =>
4 K4Fe(CN)2 + 10 K(MnO4) + 24 H2SO4 = 13 K2(SO4) + 5 Mn2(SO4) + 2 Fe2(SO4)3 + 8 CO2 + 4 N2 + 24 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
KMnO4 + K2SO3 + H2SO4 = K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 5 K2SO3 + 3 H2SO4 = 6 K2SO4 + 2 MnSO4 + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/07/11
Équations équilibrées sur06/06/10
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