| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca2 + 4 CO2 + 4 H2O = 2 Ca(HCO3)2 + 2 H2
AgF + Na2S = AgS + Na2F =>
AgF + Na2S = AgS + Na2F
Al2(SO4)3(aq) + Ca(C2H3O2)2(aq) = Al(C2H3O2)3(aq) + CaSO4(s) =>
Al2(SO4)3(aq) + 3 Ca(C2H3O2)2(aq) = 2 Al(C2H3O2)3(aq) + 3 CaSO4(s)
Zn + NTa = Zn(NTa) =>
Zn + NTa = Zn(NTa)
AlCl3(s) + H2O(l) = Al(OH)3 + HCl(s) =>
AlCl3(s) + 3 H2O(l) = Al(OH)3 + 3 HCl(s)
Cr2(SO4)3 + NaOH + NaBrO3 = Na2CrO4 + NaBr + H2O + Na2SO4 =>
Cr2(SO4)3 + 10 NaOH + NaBrO3 = 2 Na2CrO4 + NaBr + 5 H2O + 3 Na2SO4
BaSO4 + NH3 = [Ba(NH3)]SO4 =>
BaSO4 + NH3 = [Ba(NH3)]SO4
Li + ErCl3 = Er + LiCl =>
3 Li + ErCl3 = Er + 3 LiCl
KNO3 + C12H22O11 = K2O3 + H2O + CO2 + N =>
16 KNO3 + C12H22O11 = 8 K2O3 + 11 H2O + 12 CO2 + 16 N
Fe2O3 + Zn = Fe + ZnO =>
Fe2O3 + 3 Zn = 2 Fe + 3 ZnO
(NH3)2S + Pb(CH3CO2)2 = PbS + NH3CH3CO2 =>
(NH3)2S + Pb(CH3CO2)2 = PbS + 2 NH3CH3CO2
H2S(g) + FeCl2(aq) = FeS(s) + HCl(aq) =>
H2S(g) + FeCl2(aq) = FeS(s) + 2 HCl(aq)
PO4 = P + O2 =>
PO4 = P + 2 O2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mg + HNO3 = Mg(NO3) + N2O + H2O =>
8 Mg + 10 HNO3 = 8 Mg(NO3) + N2O + 5 H2O
HCl + CaCO3 = CaCl2(aq) + H2O(l) + CO2(g) =>
2 HCl + CaCO3 = CaCl2(aq) + H2O(l) + CO2(g)
TiCl3 + H2O2 + KOH = TiO2 + KClO3 + HCl =>
4 TiCl3 + 5 H2O2 + KOH = 4 TiO2 + KClO3 + 11 HCl
MnO4{-} + H{+} + C2O4{2-} = CO2 + H2O + Mn{2+} =>
2 MnO4{-} + 16 H{+} + 5 C2O4{2-} = 10 CO2 + 8 H2O + 2 Mn{2+}
(Cu(H2O)4){2+} + NH3 = (Cu(NH3)4){2+} + H2O =>
(Cu(H2O)4){2+} + 4 NH3 = (Cu(NH3)4){2+} + 4 H2O
O2NNCO + Br = BrNCO + NO2 =>
O2NNCO + Br = BrNCO + NO2
NaVO3 + H2O2 + H2SO4 = (VO3)2SO4 + H2O + Na2SO4 =>
2 NaVO3 + 2 H2O2 + 2 H2SO4 = (VO3)2SO4 + 4 H2O + Na2SO4
Al(NO3)3 + NH3 + H20O = Al(OH)3 + NH4NO3 =>
31 Al(NO3)3 + 39 NH3 + 12 H20O = 31 Al(OH)3 + 66 NH4NO3
Fe(SO3) + Ca(NO3)2 = Ca(SO3) + Fe(NO3)2 =>
Fe(SO3) + Ca(NO3)2 = Ca(SO3) + Fe(NO3)2
Fe(NO3)3 + NH4HCO3 = NH4NO3 + FeO + H2O + CO2 =>
8 Fe(NO3)3 + 26 NH4HCO3 = 25 NH4NO3 + 8 FeO + 15 H2O + 26 CO2
BaCl2 + Na2SO4 = BaSO4 + Cl2Na2 =>
BaCl2 + Na2SO4 = BaSO4 + Cl2Na2
Fe + S = Fe(S)3 =>
Fe + 3 S = Fe(S)3
Li2CrO4 + NaNO3 = LiNO3 + Na2CrO4 =>
Li2CrO4 + 2 NaNO3 = 2 LiNO3 + Na2CrO4
CaCl2 + NH4Cl + K4[FeCN6] = Ca(NH4)2[FeCN6] + KCl =>
CaCl2 + 2 NH4Cl + K4[FeCN6] = Ca(NH4)2[FeCN6] + 4 KCl
K2Cr2O7 + HCl = K2O + CrO2 + H2O + Cl2 =>
K2Cr2O7 + 4 HCl = K2O + 2 CrO2 + 2 H2O + 2 Cl2
K3PO4 + BaCl2 = KCl + Ba3[PO4]2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3[PO4]2
Cr2(O)3 + NaOH = NaCrO2 + H2O =>
Cr2(O)3 + 2 NaOH = 2 NaCrO2 + H2O
Br2 + KOH + Cl2 = KCl + KBrO3 + H2O =>
Br2 + 12 KOH + 5 Cl2 = 10 KCl + 2 KBrO3 + 6 H2O
Cu + N2 = Cu2N =>
4 Cu + N2 = 2 Cu2N
CHO + O2 = CO2 + H2O =>
4 CHO + 3 O2 = 4 CO2 + 2 H2O
Zn + NaN3O3 + NaOH = Na2ZnO2 + NH3 + H2O =>
7 Zn + NaN3O3 + 13 NaOH = 7 Na2ZnO2 + 3 NH3 + 2 H2O
NaHCO3(aq) + HCl(aq) = NaCl(s) + CO2(g) + H2O(g) =>
NaHCO3(aq) + HCl(aq) = NaCl(s) + CO2(g) + H2O(g)
CuS04*Fe = FeS04*Cu =>
CuS04*Fe = FeS04*Cu
HCHO + NH4Cl = CH3NH3Cl + HCOOH =>
2 HCHO + NH4Cl = CH3NH3Cl + HCOOH
PbCO3H2S = PbSCO2H2O =>
PbCO3H2S = PbSCO2H2O
Ag + HNO3 = Ag(NO3)2 + N2O + H2O =>
4 Ag + 10 HNO3 = 4 Ag(NO3)2 + N2O + 5 H2O
CH3NH2 + H2O = CH3OH + NH3 =>
CH3NH2 + H2O = CH3OH + NH3
H2O1 + S1O2 = H2S1O3 =>
H2O1 + S1O2 = H2S1O3
V + H2O = V3O5 + H{+} + e =>
3 V + 5 H2O = V3O5 + 10 H{+} + 10e
SO2(g) + H2O(l) = S(s) + H2SO4(aq) =>
3 SO2(g) + 2 H2O(l) = S(s) + 2 H2SO4(aq)
CH3COO(CH2)4CH3 + H2O + Na = C2H5OH + NaOH =>
2 CH3COO(CH2)4CH3 + 11 H2O + 8 Na = 7 C2H5OH + 8 NaOH
Al + H2(SO4) = Al2(SO4)2 + H2 =>
2 Al + 2 H2(SO4) = Al2(SO4)2 + 2 H2
HCl(aq) + Na2SO4(s) = NaCl(s) + H2SO4(aq) =>
2 HCl(aq) + Na2SO4(s) = 2 NaCl(s) + H2SO4(aq)
C3H8(g) + O2(s) = CO2(g) + H2O(l) =>
C3H8(g) + 5 O2(s) = 3 CO2(g) + 4 H2O(l)
Fe(OH)2 + KSCN = FeKSCN + OH =>
Fe(OH)2 + KSCN = FeKSCN + 2 OH
NaCl + KCl = NaKCl2 =>
NaCl + KCl = NaKCl2
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Équations équilibrées sur12/10/24
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