| Équations équilibrées la veille | Équations équilibrées le lendemain |
Au2S3 + H = Au2 + HS3
NH3 + OCl{-} = N2O + Cl{-} + H2O =>
2 NH3 + 4 OCl{-} = N2O + 4 Cl{-} + 3 H2O
AsS5 + NO3{-} + H = AsO4{-3} + SO4{-2} + NO + H2O =>
AsS5 + 13 NO3{-} + 4 H = AsO4{-3} + 5 SO4{-2} + 13 NO + 2 H2O
Ag + CrO4{2-} + H{+} = Ag{+} + Cr(OH)3 + H2O =>
3 Ag + CrO4{2-} + 5 H{+} = 3 Ag{+} + Cr(OH)3 + H2O
Hg + HNO3 = Hg(NO3)2 + H2O + N2O =>
4 Hg + 10 HNO3 = 4 Hg(NO3)2 + 5 H2O + N2O
MgCl2 + K2S = KCl + MgS =>
MgCl2 + K2S = 2 KCl + MgS
H3AsO4 + Zn + H2SO4 = ZnSO4 + H3AsO3 + H2O =>
H3AsO4 + Zn + H2SO4 = ZnSO4 + H3AsO3 + H2O
P4H4 = PH3 + P4H2 =>
5 P4H4 = 4 PH3 + 4 P4H2
AgNO3(ac) + Na2SO4(ac) = Ag2SO4(s) + NaNO3(ac) =>
2 AgNO3(ac) + Na2SO4(ac) = Ag2SO4(s) + 2 NaNO3(ac)
NaIO3 + NaHSO3 + SO2 = NaHSO4 + Na2SO3 + I2 =>
2 NaIO3 + 5 NaHSO3 + SO2 = 5 NaHSO4 + Na2SO3 + I2
Al2O2 = aluminum + oxygen =>
Al2O2 = 2 Al + O2
Al(OH)3 + H2 = Al + HOH =>
2 Al(OH)3 + 3 H2 = 2 Al + 6 HOH
Fe + KI = FeI3 + K =>
Fe + 3 KI = FeI3 + 3 K
Cl2 + NaBr2 = Br2 + NaCl =>
Cl2 + 2 NaBr2 = 2 Br2 + 2 NaCl
NH4H2PO4 + Ca(OH)2 = NH4OH + Ca3(PO4)2 + H2O =>
2 NH4H2PO4 + 3 Ca(OH)2 = 2 NH4OH + Ca3(PO4)2 + 4 H2O
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
FeS2 + HCl = FeCl2 + H2S + S2 =>
2 FeS2 + 4 HCl = 2 FeCl2 + 2 H2S + S2
Mg(s) + CuCl2(aq) = MgCl2(aq) + Cu(s) =>
Mg(s) + CuCl2(aq) = MgCl2(aq) + Cu(s)
Na2S + KCl = K2S + NaCl =>
Na2S + 2 KCl = K2S + 2 NaCl
K2CrO4 + HCl = KCl + CrCl3 + H2O + Cl2 =>
2 K2CrO4 + 16 HCl = 4 KCl + 2 CrCl3 + 8 H2O + 3 Cl2
C6H5Cl + C2H5OH = C2H5Cl + C6H5OH =>
C6H5Cl + C2H5OH = C2H5Cl + C6H5OH
H2O + SO2 + BaCl2 = BaSO3 + HCl =>
H2O + SO2 + BaCl2 = BaSO3 + 2 HCl
CaSO3 + HClO3 = Ca(ClO3)2 + SO2 + H2O =>
CaSO3 + 2 HClO3 = Ca(ClO3)2 + SO2 + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaCl2 + H2O = NaO + HCl =>
NaCl2 + H2O = NaO + 2 HCl
Fe2O3 + Cl = FeCl2 + O2 =>
2 Fe2O3 + 8 Cl = 4 FeCl2 + 3 O2
CuFeS2 + Fe2(SO4)3 = CuSO4 + FeSO4 + S8 =>
4 CuFeS2 + 8 Fe2(SO4)3 = 4 CuSO4 + 20 FeSO4 + S8
FeCl3 + K4Fe(CN)6 = KCl + Fe4[Fe(CN)6]3 =>
4 FeCl3 + 3 K4Fe(CN)6 = 12 KCl + Fe4[Fe(CN)6]3
SO4{2-} + C6H12O6 = HS{-} + C2H3O2{-} + H2CO3 =>
3 SO4{2-} + 2 C6H12O6 = 3 HS{-} + 3 C2H3O2{-} + 6 H2CO3
Pb + H2CO3 = PbCO3 + H =>
Pb + H2CO3 = PbCO3 + 2 H
Na2SO4 + H2 = Na + H2O + SO2 =>
Na2SO4 + 2 H2 = 2 Na + 2 H2O + SO2
NaClO + NaBr + H2SO4 = Br2 + NaCl + Na2SO4 + H2O =>
NaClO + 2 NaBr + H2SO4 = Br2 + NaCl + Na2SO4 + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
FeSO4(aq) + Hg2(NO3)2(aq) = Hg2SO4(s) + Fe(NO3)2(aq) =>
FeSO4(aq) + Hg2(NO3)2(aq) = Hg2SO4(s) + Fe(NO3)2(aq)
(NH4)2SO4(s) + NaOH(s) = Na2SO4(aq) + NH3(g) + H2O(g) =>
(NH4)2SO4(s) + 2 NaOH(s) = Na2SO4(aq) + 2 NH3(g) + 2 H2O(g)
HI(aq) + Li2CO3(aq) = H2O(l) + LiI(aq) + CO2(g) =>
2 HI(aq) + Li2CO3(aq) = H2O(l) + 2 LiI(aq) + CO2(g)
Ag + H2SO4 = AgH2SO4 =>
Ag + H2SO4 = AgH2SO4
P2S3 + O2 = P2O10 + SO2 =>
P2S3 + 8 O2 = P2O10 + 3 SO2
CsO2 + H2O = O2 + CsOH =>
4 CsO2 + 2 H2O = 3 O2 + 4 CsOH
NaCl = Na + Cl =>
NaCl = Na + Cl
FeSO4 + Fe(OH)2 = Fe3O4 + FeS + H2O =>
FeSO4 + 12 Fe(OH)2 = 4 Fe3O4 + FeS + 12 H2O
MgSO4 + K2Cr2O7 = MgCr2O7 + K2SO4 =>
MgSO4 + K2Cr2O7 = MgCr2O7 + K2SO4
La(s) + Cl2(g) = LaCl3(s) =>
2 La(s) + 3 Cl2(g) = 2 LaCl3(s)
MnCl2*4H2O + Et4NCl = MnCl4(Et4N)2 + H2O =>
MnCl2*4H2O + 2 Et4NCl = MnCl4(Et4N)2 + 4 H2O
AgCl + CN = AgCN + Cl =>
AgCl + CN = AgCN + Cl
C3H8 + Cl2 = C3H3Cl3 + HCl =>
C3H8 + 4 Cl2 = C3H3Cl3 + 5 HCl
XeF2 + SbF5 = XeF + SbF6 =>
XeF2 + SbF5 = XeF + SbF6
BaSO4 + HCl = BaCl2 + H2SO4 =>
BaSO4 + 2 HCl = BaCl2 + H2SO4
K2ZnO2 + HCl = KCl + ZnCl2 + H2O =>
K2ZnO2 + 4 HCl = 2 KCl + ZnCl2 + 2 H2O
ZnS + HNO3 = ZnSO3 + NO + H2O =>
ZnS + 2 HNO3 = ZnSO3 + 2 NO + H2O
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Équations équilibrées sur10/17/24
Équations équilibrées sur11/16/23
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