| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr(Cl)3 + 3 NaOH = Cr(OH)3 + 3 NaCl
CuSO4*H2O + Na2CO3 = Cu2CO3(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4*H2O + 2 Na2CO3 = Cu2CO3(OH)2 + 2 Na2SO4 + CO2 + H2O
Cr(OH)3 + Br + NaOH = Na2CrO4 + NaBr + H2O =>
Cr(OH)3 + 3 Br + 5 NaOH = Na2CrO4 + 3 NaBr + 4 H2O
Cs(OH) + H2(CO3) = Cs2CO3 + H2O =>
2 Cs(OH) + H2(CO3) = Cs2CO3 + 2 H2O
CuCl2 + NH3 + H2O = [Cu(NH3)4(H2O)2{2+}] + NH4Cl + OH{-} =>
CuCl2 + 6 NH3 + 4 H2O = [Cu(NH3)4(H2O)2{2+}] + 2 NH4Cl + 2 OH{-}
N4O10 = N + O2 =>
N4O10 = 4 N + 5 O2
KMnO7 + HCl = Cl2 + KCl + MnCl2 + H2O =>
2 KMnO7 + 28 HCl = 11 Cl2 + 2 KCl + 2 MnCl2 + 14 H2O
CuSO4*5H2O(heat) = CuSO4 + H2O =>
CuSO4*5H2O(heat) = CuSO4 + 5 H2O
H{+} + KMnO4{-} + H2C2O4 = Mn2{+} + CO2 + H2O + K =>
6 H{+} + 4 KMnO4{-} + 13 H2C2O4 = 2 Mn2{+} + 26 CO2 + 16 H2O + 4 K
KNO3 + Na2SO4 = K(SO4) + Na2NO3 =>
KNO3 + Na2SO4 = K(SO4) + Na2NO3
FeCl3HCl = HFeCl4 =>
FeCl3HCl = HFeCl4
H3PO4 + Co = Co3PO4 + H2 =>
2 H3PO4 + 6 Co = 2 Co3PO4 + 3 H2
Al2O3 + Ca = CaO + Al =>
Al2O3 + 3 Ca = 3 CaO + 2 Al
HCl + SO2 = HClSO2 =>
HCl + SO2 = HClSO2
H6TeO6 + HCl = H2TeO3 + Cl2 + H2O =>
H6TeO6 + 2 HCl = H2TeO3 + Cl2 + 3 H2O
CO2 + CaSiO3 + H2O = Ca(HCO3)2 + SiO2 =>
2 CO2 + CaSiO3 + H2O = Ca(HCO3)2 + SiO2
MnS + PbCl2 = MnCl2 + PbS =>
MnS + PbCl2 = MnCl2 + PbS
Ca(OH)2 + KMnO4 = KOH + Ca(MnO4)2 =>
Ca(OH)2 + 2 KMnO4 = 2 KOH + Ca(MnO4)2
Mg(ClO3)2 + NH4NO2 = Mg(NO2)2 + NH4ClO3 =>
Mg(ClO3)2 + 2 NH4NO2 = Mg(NO2)2 + 2 NH4ClO3
FeCl3HCl = FeHCl4 =>
FeCl3HCl = FeHCl4
Al2SO4(aq) + AgNO3 = AlNO3 + Ag2SO4 =>
Al2SO4(aq) + 2 AgNO3 = 2 AlNO3 + Ag2SO4
NiO(s) = Ni(s) + O2(g) =>
2 NiO(s) = 2 Ni(s) + O2(g)
CaSiO3 + KOH = Ca(OH)2 + K2SiO3 =>
CaSiO3 + 2 KOH = Ca(OH)2 + K2SiO3
CaSO4*2H2O + H2SO4 = CaS2O3 + H2O + O2 =>
CaSO4*2H2O + H2SO4 = CaS2O3 + 3 H2O + 2 O2
Zn + (Pb(CH3COO)2) = Pb + Zn(O2CCH3)2 =>
Zn + (Pb(CH3COO)2) = Pb + Zn(O2CCH3)2
K2(Cr2O7) + H2SO4 = K2SO4 + Cr2(SO4)3 + O + H2O =>
K2(Cr2O7) + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 O + 4 H2O
Ca3(PO4)2 + SiO2 = CaO + Si3(PO4)4 =>
2 Ca3(PO4)2 + 3 SiO2 = 6 CaO + Si3(PO4)4
FeCl3HCl = H[FeCl4] =>
FeCl3HCl = H[FeCl4]
H2SO3 + OH{-} = H2O + SO3{-2} =>
H2SO3 + 2 OH{-} = 2 H2O + SO3{-2}
NaClO2 + C9H8O = C9H8O2 + NaCl =>
NaClO2 + 2 C9H8O = 2 C9H8O2 + NaCl
Al4Si3 + Ca3N2 = AlN + Ca2Si =>
Al4Si3 + 2 Ca3N2 = 4 AlN + 3 Ca2Si
S + HNO3 + H2O = H2SO4 + N2O =>
4 S + 6 HNO3 + H2O = 4 H2SO4 + 3 N2O
Na2SiO3(aq) + HCl(aq) = SiO2(s) + NaCl(aq) + H2O(l) =>
Na2SiO3(aq) + 2 HCl(aq) = SiO2(s) + 2 NaCl(aq) + H2O(l)
CH3COOH + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
5 CH3COOH + 8 KMnO4 + 12 H2SO4 = 10 CO2 + 22 H2O + 4 K2SO4 + 8 MnSO4
Cu + HCl = CuCl2 + H2 = =>
Cu + 2 HCl = CuCl2 + H2
CuSO4 + NH42S = CuS + NH42SO4 =>
CuSO4 + NH42S = CuS + NH42SO4
K3[Cr(OH)6] + H2O2 = KCrO4 + KOH + H2O =>
K3[Cr(OH)6] + 2 H2O2 = KCrO4 + 2 KOH + 4 H2O
Fe + H2SO4(aq) = Fe2(SO4)3(aq) + H2 =>
2 Fe + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 3 H2
Sn + ZnO = SnO + Zn =>
Sn + ZnO = SnO + Zn
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
C6H5NH2 + Br2 = C6H5Br3NH2 =>
2 C6H5NH2 + 3 Br2 = 2 C6H5Br3NH2
HNO3 + H3PO3 = NO + H3PO4 + H2O =>
2 HNO3 + 3 H3PO3 = 2 NO + 3 H3PO4 + H2O
S + HNO3 + H2O = H2SO4 + N2O =>
4 S + 6 HNO3 + H2O = 4 H2SO4 + 3 N2O
Fe2O(s) = Fe(s) + O2(g) =>
2 Fe2O(s) = 4 Fe(s) + O2(g)
Fe + H6S3O12 = FeSO4 + H2O + SO2 =>
3 Fe + 2 H6S3O12 = 3 FeSO4 + 6 H2O + 3 SO2
Ca(NO3)2 + Rb3PO4 = Ca3(PO4)2 + RbNO3 =>
3 Ca(NO3)2 + 2 Rb3PO4 = Ca3(PO4)2 + 6 RbNO3
Fe(OH)3 + HCl + H2O = [Fe(H2O)6]Cl3 =>
Fe(OH)3 + 3 HCl + 3 H2O = [Fe(H2O)6]Cl3
CH12O6 + O2 = CO2 + H2O =>
CH12O6 + O2 = CO2 + 6 H2O
CH3COO{-} + Fe{3+} + H2O = Fe(OH)2CH3COO + CH3COOH =>
3 CH3COO{-} + Fe{3+} + 2 H2O = Fe(OH)2CH3COO + 2 CH3COOH
Pb(NO3)2 + Li2CO3 = PbCO3 + Li2(NO3)2 =>
Pb(NO3)2 + Li2CO3 = PbCO3 + Li2(NO3)2
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