| Équations équilibrées la veille |
4 CH3CH2CONH2 + 19 O2 = 12 CO2 + 14 H2O + 4 NO
I3{-} + Cl2 + H2O = IO3{-} + Cl{-} + H{+} =>
I3{-} + 8 Cl2 + 9 H2O = 3 IO3{-} + 16 Cl{-} + 18 H{+}
AlCl3 + K2SO3 + H2O = Al(OH)3 + H2SO3 + KCl =>
2 AlCl3 + 3 K2SO3 + 6 H2O = 2 Al(OH)3 + 3 H2SO3 + 6 KCl
Ba + FePO4 = BaPO4 + Fe =>
Ba + FePO4 = BaPO4 + Fe
Mg3P2 + H2O = PH3 + Mg(OH)2 =>
Mg3P2 + 6 H2O = 2 PH3 + 3 Mg(OH)2
LiNO3 + K = LiK + NO3 =>
LiNO3 + K = LiK + NO3
NH4Br(aq) + Pb(C2H3O2)2(aq) = NH4(C2H3O2)(aq) + PbBr2(s) =>
2 NH4Br(aq) + Pb(C2H3O2)2(aq) = 2 NH4(C2H3O2)(aq) + PbBr2(s)
H3BO3(aq) = H2B4O7(aq) + H2O(l) =>
4 H3BO3(aq) = H2B4O7(aq) + 5 H2O(l)
Mn(OH)2 + Cl2 + NaOH = MnO2 + NaCl + H2O =>
Mn(OH)2 + Cl2 + 2 NaOH = MnO2 + 2 NaCl + 2 H2O
MnO2(l) + Al(l) = Mn(l) + Al2O3(s) =>
3 MnO2(l) + 4 Al(l) = 3 Mn(l) + 2 Al2O3(s)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
B2Br4 = B + Br2 =>
B2Br4 = 2 B + 2 Br2
KOH + F = KF + F2O + H2O =>
2 KOH + 4 F = 2 KF + F2O + H2O
Cr(NO3)3 + Na2SO3 + H2O = Cr(OH)3 + H2SO3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2SO3 + 6 H2O = 2 Cr(OH)3 + 3 H2SO3 + 6 NaNO3
Na2S(aq) + ZnCl2(aq) = ZnS(s) + NaCl(aq) =>
Na2S(aq) + ZnCl2(aq) = ZnS(s) + 2 NaCl(aq)
SiO2(s) + Na2CO3(s) = Na2SiO3 + CO2(g) =>
SiO2(s) + Na2CO3(s) = Na2SiO3 + CO2(g)
Pb(NO3)2 + K2SO3 = PbSO3 + KNO3 =>
Pb(NO3)2 + K2SO3 = PbSO3 + 2 KNO3
I{-} + Br2 + H2O = IO3{-} + Br{-} + H{+} =>
I{-} + 3 Br2 + 3 H2O = IO3{-} + 6 Br{-} + 6 H{+}
As2O5 + Ca(OH)2 = Ca3(AsO4)2 + H2O =>
As2O5 + 3 Ca(OH)2 = Ca3(AsO4)2 + 3 H2O
CrS2 + O2 = Cr2O3 + SO2 =>
4 CrS2 + 11 O2 = 2 Cr2O3 + 8 SO2
In{+} = In + In{+3} =>
3 In{+} = 2 In + In{+3}
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
FeSO4 + KBrO3 + H2SO4 = Fe2(SO4)3 + KBr + H2O =>
6 FeSO4 + KBrO3 + 3 H2SO4 = 3 Fe2(SO4)3 + KBr + 3 H2O
C6H7NO + (CH3CO)2O = C8H9NO2 + H2O =>
2 C6H7NO + (CH3CO)2O = 2 C8H9NO2 + H2O
Ni3(PO4)2 + HCl = NiCl2 + H3PO4 =>
Ni3(PO4)2 + 6 HCl = 3 NiCl2 + 2 H3PO4
Cu(s) + Ag2NO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 Ag2NO3(aq) = Cu(NO3)2(aq) + 4 Ag(s)
MnO4{2-} + H{+} = H2O + MnO4{-} + Mn{2+} =>
5 MnO4{2-} + 8 H{+} = 4 H2O + 4 MnO4{-} + Mn{2+}
CH3COOOH + NaHCO3 = C2H3NaO2 + H2O + CO2 =>
4 CH3COOOH + 3 NaHCO3 = 3 C2H3NaO2 + 5 H2O + 5 CO2
I + CO2 = I2O5 + CO =>
2 I + 5 CO2 = I2O5 + 5 CO
(NH4)3PO4 + CaCO3 = Ca3(PO4)2 + (NH4)2CO3 =>
2(NH4)3PO4 + 3 CaCO3 = Ca3(PO4)2 + 3(NH4)2CO3
Ag2CO3 + HCl = AgCl + H2CO3 =>
Ag2CO3 + 2 HCl = 2 AgCl + H2CO3
S + H2O = SO2 + H2 =>
S + 2 H2O = SO2 + 2 H2
Na2CrO4 + Zn(NO3)2 = NaNO3 + ZnCrO4 =>
Na2CrO4 + Zn(NO3)2 = 2 NaNO3 + ZnCrO4
HgS2 = Hg + S8 =>
4 HgS2 = 4 Hg + S8
Ni + CH3COOH = NiCH3COO + H2 =>
2 Ni + 2 CH3COOH = 2 NiCH3COO + H2
Cu + Ca(ClO2)2 = Cu(ClO2)2 + Ca =>
Cu + Ca(ClO2)2 = Cu(ClO2)2 + Ca
C12H22O11 + Fe{+3} + OH{-} = CO2 + Fe{+2} + H2O =>
C12H22O11 + 48 Fe{+3} + 48 OH{-} = 12 CO2 + 48 Fe{+2} + 35 H2O
Cu2 + H2 = CuH2 =>
Cu2 + 2 H2 = 2 CuH2
Mg + HClO2 = MgClO2 + H2 =>
2 Mg + 2 HClO2 = 2 MgClO2 + H2
Na2S2O3 + KI = Na2I + KS2O3 =>
Na2S2O3 + KI = Na2I + KS2O3
CrCl3 + H2O = Cr(OH)3 + HCl =>
CrCl3 + 3 H2O = Cr(OH)3 + 3 HCl
Al(s) + Cu(CH3CO2)2(aq) = Cu(s) + Al(CH3CO2)(aq) =>
2 Al(s) + Cu(CH3CO2)2(aq) = Cu(s) + 2 Al(CH3CO2)(aq)
KCl + HI = KI + HCl =>
KCl + HI = KI + HCl
SnO2 + Ca(OH)2 = CaSnO3 + H2O =>
SnO2 + Ca(OH)2 = CaSnO3 + H2O
OH{-} + CrI3{-} + Cl2 = CrO4{2-} + IO4{-} + Cl{-} + H2O =>
32 OH{-} + CrI3{-} + 14 Cl2 = CrO4{2-} + 3 IO4{-} + 28 Cl{-} + 16 H2O
CuO + C6H5Cl = CuCl + C6H5O =>
CuO + C6H5Cl = CuCl + C6H5O
XeF6(s) + H2O(l) = XeO3(s) + HF(g) =>
XeF6(s) + 3 H2O(l) = XeO3(s) + 6 HF(g)
FeSO4 + NaClO + NaOH + H2O = Fe(OH)3 + Cl2 + Na2SO4 =>
2 FeSO4 + 2 NaClO + 2 NaOH + 2 H2O = 2 Fe(OH)3 + Cl2 + 2 Na2SO4
NaOH + Mg = Mg(OH)2 + Na =>
2 NaOH + Mg = Mg(OH)2 + 2 Na
Zn + CrBr3 = ZnBr2 + Cr =>
3 Zn + 2 CrBr3 = 3 ZnBr2 + 2 Cr
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Équations équilibrées sur10/27/24
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