| Équations équilibrées la veille | Équations équilibrées le lendemain |
Al(OH)3 + 3 HClO4 = Al(ClO4)3 + 3 H2O
FeCl2 + H2S = FeS + HCl =>
FeCl2 + H2S = FeS + 2 HCl
H2O + P = H3PO2 + PH3 =>
6 H2O + 4 P = 3 H3PO2 + PH3
CrI3 = Cr + I6 =>
2 CrI3 = 2 Cr + I6
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Co(NO3)2(aq) + NaOH(aq) = Co(OH)2(s) + NaNO3(aq) =>
Co(NO3)2(aq) + 2 NaOH(aq) = Co(OH)2(s) + 2 NaNO3(aq)
Cr2O3 + HNO3 = Cr + H2O + NO3 =>
Cr2O3 + 6 HNO3 = 2 Cr + 3 H2O + 6 NO3
KCl + Na[B(C6H5)4] = K[B(C6H5)4] + NaCl =>
KCl + Na[B(C6H5)4] = K[B(C6H5)4] + NaCl
Al(OH)3 + AgNO3 = Ag(OH)3 + AlNO3 =>
Al(OH)3 + AgNO3 = Ag(OH)3 + AlNO3
H2S5 + S2Cl2 = H2S12 + HCl =>
2 H2S5 + S2Cl2 = H2S12 + 2 HCl
BaCl2 + Na2(CO3) = BaCO3 + NaCl =>
BaCl2 + Na2(CO3) = BaCO3 + 2 NaCl
Pb + HCl = PbCl4 + H2 =>
Pb + 4 HCl = PbCl4 + 2 H2
C7O2H + CH3OH = C8O2H3 + H2O =>
C7O2H + CH3OH = C8O2H3 + H2O
C6H10 + KMnO4 = C6H8OH2 + KMnO2 =>
2 C6H10 + KMnO4 = 2 C6H8OH2 + KMnO2
Hg2Cl2 + HNO3 = Hg(NO3)2 + HCl + H2O + HNO2 =>
Hg2Cl2 + 5 HNO3 = 2 Hg(NO3)2 + 2 HCl + H2O + HNO2
Ai + Cl2 = Ai2Cl6 =>
2 Ai + 3 Cl2 = Ai2Cl6
Fe2O3(s) + C(s) = Fe(l) + CO(g) =>
Fe2O3(s) + 3 C(s) = 2 Fe(l) + 3 CO(g)
C + FeO = CO + Fe =>
C + FeO = CO + Fe
SrCl + KOH = SrOH + KCl =>
SrCl + KOH = SrOH + KCl
C45H88O6 + H2O = CH3(CH2)12COOH + C3H5(OH)3 =>
22 C45H88O6 + 30 H2O = 69 CH3(CH2)12COOH + 8 C3H5(OH)3
NaHCO3 + NH4Cl = NaCl + H2O + CO2 + NH3 =>
NaHCO3 + NH4Cl = NaCl + H2O + CO2 + NH3
CH4O + O2 = CO2 + H3O =>
6 CH4O + 7 O2 = 6 CO2 + 8 H3O
H3O + KCO2 = KHCO2 + H2O =>
H3O + KCO2 = KHCO2 + H2O
NaHS + FeSO4 + H2O = FeHS{-} + Na2SO4 + H{+} + SO4{2-} =>
10 NaHS + 8 FeSO4 + 8 H2O = 8 FeHS{-} + 5 Na2SO4 + 18 H{+} + 5 SO4{2-}
HNO3 + Cu(OH) = Cu(NO3)2 + H3O =>
2 HNO3 + Cu(OH) = Cu(NO3)2 + H3O
CuS3 + O2 = CuO + SO2 =>
2 CuS3 + 7 O2 = 2 CuO + 6 SO2
KHCO3 + H2SO4 = K2SO4 + H2O + CO2 =>
2 KHCO3 + H2SO4 = K2SO4 + 2 H2O + 2 CO2
H3PO2 + CuSO4 + H2O = H3PO4 + H2SO4 + Cu2H2 =>
3 H3PO2 + 4 CuSO4 + 6 H2O = 3 H3PO4 + 4 H2SO4 + 2 Cu2H2
C7H5O2Na + Br2 = C7H2Br3O2Na + HBr =>
C7H5O2Na + 3 Br2 = C7H2Br3O2Na + 3 HBr
KClO3 + Cl2 + NaOH = NaCl + KClO4 + H2O =>
KClO3 + Cl2 + 2 NaOH = 2 NaCl + KClO4 + H2O
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Ca + H2SO4 = Ca(HSO4)2 + SO2 + H2O =>
Ca + 3 H2SO4 = Ca(HSO4)2 + SO2 + 2 H2O
Ba(No3)2 + NH4OH = Ba(OH)2 + NH4No3 =>
Ba(No3)2 + 2 NH4OH = Ba(OH)2 + 2 NH4No3
Si + S8 = SiS4 =>
2 Si + S8 = 2 SiS4
C3H6 + H2O + KMnO4 = C3H8O2 + KOH + MnO2 =>
3 C3H6 + 4 H2O + 2 KMnO4 = 3 C3H8O2 + 2 KOH + 2 MnO2
H2 + C6H14O6 = C3H8O + H2O =>
5 H2 + C6H14O6 = 2 C3H8O + 4 H2O
Na2HPO4 = NaOH + NaPO3 =>
Na2HPO4 = NaOH + NaPO3
NiSO3 + HNO3 = Ni(NO3)2 + H2SO3 =>
NiSO3 + 2 HNO3 = Ni(NO3)2 + H2SO3
HCOH + KMnO4 = HCOOH + MnO2 + K =>
2 HCOH + KMnO4 = 2 HCOOH + MnO2 + K
Ag{+} + CO3{2-} = Ag2CO3 =>
2 Ag{+} + CO3{2-} = Ag2CO3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
KCl + KClO2 + H2SO4 = K2SO4 + Cl2 + H2O =>
3 KCl + KClO2 + 2 H2SO4 = 2 K2SO4 + 2 Cl2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(s) + H2O(g) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(g) = Ca(OH)2(aq) + H2(g)
As4O6 + IO4{-} + OH{-} = AsO4{3-} + IO3{-} + H2O =>
As4O6 + 4 IO4{-} + 12 OH{-} = 4 AsO4{3-} + 4 IO3{-} + 6 H2O
K(NO3) + Mg3(PO4)2 = K3(PO4) + Mg(NO3)2 =>
6 K(NO3) + Mg3(PO4)2 = 2 K3(PO4) + 3 Mg(NO3)2
Na2HPO4 + BaCl2 = Ba3(PO4)2 + NaCl + HCl =>
2 Na2HPO4 + 3 BaCl2 = Ba3(PO4)2 + 4 NaCl + 2 HCl
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
Co(C2H3O2)2 + Al = Al(C2H3O2)3 + Co =>
3 Co(C2H3O2)2 + 2 Al = 2 Al(C2H3O2)3 + 3 Co
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