| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + 2 H2O = H2 + 2 NaOH
K + B2O2 = K2O + B =>
4 K + B2O2 = 2 K2O + 2 B
Cu2O + I2O5 = Cu(IO3) =>
Cu2O + I2O5 = 2 Cu(IO3)
Ba(NO3)2 + NaOH = Ba(OH)2 + NaNO3 =>
Ba(NO3)2 + 2 NaOH = Ba(OH)2 + 2 NaNO3
AlCl3 + H2O + O2 = Al + HClO3 =>
4 AlCl3 + 6 H2O + 15 O2 = 4 Al + 12 HClO3
Na2S + Ca(NO3)2 = NaNO3 + SCa =>
Na2S + Ca(NO3)2 = 2 NaNO3 + SCa
HCl + CaCO3 = CO2 + CaCl2 + H2O =>
2 HCl + CaCO3 = CO2 + CaCl2 + H2O
KCl + Pb(NO3)2 = PbCl2 + KNO3 =>
2 KCl + Pb(NO3)2 = PbCl2 + 2 KNO3
COSO4 + KCN = CO(CN)2 + K2SO4 =>
COSO4 + 2 KCN = CO(CN)2 + K2SO4
Mg + AgNO3 = Ag + Mg(NO3)2 =>
Mg + 2 AgNO3 = 2 Ag + Mg(NO3)2
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
Ca(HS)2 + HNO3 = H2SO4 + H2O + NO2 + Ca(NO3)2 =>
Ca(HS)2 + 18 HNO3 = 2 H2SO4 + 8 H2O + 16 NO2 + Ca(NO3)2
MgI2 + H2SO4 = MgSO4 + I2 + SO2 + H2O =>
MgI2 + 2 H2SO4 = MgSO4 + I2 + SO2 + 2 H2O
BaCl2 + Cu = CuCl + Ba2 =>
2 BaCl2 + 4 Cu = 4 CuCl + Ba2
Na2SO3 + KMnO4 + HCl = KCl + Na2SO4 + MnCl2 + H2O =>
5 Na2SO3 + 2 KMnO4 + 6 HCl = 2 KCl + 5 Na2SO4 + 2 MnCl2 + 3 H2O
NaF + HNO3 = HF + NaNO3 =>
NaF + HNO3 = HF + NaNO3
CuOHCl + NaOH = Cu(OH)2 + NaCl =>
CuOHCl + NaOH = Cu(OH)2 + NaCl
SrS(aq) + Cu(NO3)2(aq) = Sr(NO3)2(l) + CuS(g) =>
SrS(aq) + Cu(NO3)2(aq) = Sr(NO3)2(l) + CuS(g)
Fe(C2H3O2)2 + (NH4)2SO4 = FeSO4 + NH4C2H3O2 =>
Fe(C2H3O2)2 + (NH4)2SO4 = FeSO4 + 2 NH4C2H3O2
PhMgBr + H2O + CO2 = PhCOOH + Mg{2+} + OH{-} + Br{-} =>
PhMgBr + H2O + CO2 = PhCOOH + Mg{2+} + OH{-} + Br{-}
CuO2 + Mg = MgO + Cu =>
CuO2 + 2 Mg = 2 MgO + Cu
Ca(ClO2)2 + Na2S + H2O = CaCl2 + S + NaOH =>
Ca(ClO2)2 + 4 Na2S + 4 H2O = CaCl2 + 4 S + 8 NaOH
Ba(OH)2(s) + NH4NO3(s) = Ba(NO3)2(s) + H2O(l) + NH3(aq) =>
Ba(OH)2(s) + 2 NH4NO3(s) = Ba(NO3)2(s) + 2 H2O(l) + 2 NH3(aq)
H2C3H2O4 + LiOH = Li2C3H2O4 + H2O =>
H2C3H2O4 + 2 LiOH = Li2C3H2O4 + 2 H2O
H3PO4 + BeO = Be3(PO4)2 + H2O =>
2 H3PO4 + 3 BeO = Be3(PO4)2 + 3 H2O
C2H4(g) + (b)O2(g) = (c)CO2(g) + (d)H2O(l) =>
C2H4(g) + 3(b)O2(g) = 2(c)CO2(g) + 2(d)H2O(l)
CoPO4 + KOH = K3PO4 + Co(OH)3 =>
CoPO4 + 3 KOH = K3PO4 + Co(OH)3
Cu + NHO3 = CuN2O6 + NO + H2O =>
3 Cu + 8 NHO3 = 3 CuN2O6 + 2 NO + 4 H2O
C2H5COC2H5 + O2 = CO + H2O =>
2 C2H5COC2H5 + 9 O2 = 10 CO + 10 H2O
MgCl2 + Na2SO4 = NaCl + Mg2(SO4)2 =>
2 MgCl2 + 2 Na2SO4 = 4 NaCl + Mg2(SO4)2
K2SO3 + HNO3 = KNO3 + SO2 + H2O =>
K2SO3 + 2 HNO3 = 2 KNO3 + SO2 + H2O
HNO3 + J2 = HJO3 + NO + H2O =>
10 HNO3 + 3 J2 = 6 HJO3 + 10 NO + 2 H2O
HClO + NO + H2O = HCl + HNO3 =>
3 HClO + 2 NO + H2O = 3 HCl + 2 HNO3
Fe2S3(s) + H2O(l) + O2(g) = Fe(OH)3(aq) + S(s) =>
2 Fe2S3(s) + 6 H2O(l) + 3 O2(g) = 4 Fe(OH)3(aq) + 6 S(s)
Ga + F = GaF2 =>
Ga + 2 F = GaF2
ZnBr2 + Mg(OH)2 = Zn(OH)2 + MgBr2 =>
ZnBr2 + Mg(OH)2 = Zn(OH)2 + MgBr2
Sr(OH)2 + Cl2 = Sr(ClO3)2 + H2O + SrCl2 =>
6 Sr(OH)2 + 6 Cl2 = Sr(ClO3)2 + 6 H2O + 5 SrCl2
HCl + NaHS = HNaCl + HS =>
HCl + NaHS = HNaCl + HS
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
BaCI2 + K2SO4 = BaSO4 + K2CI2 =>
BaCI2 + K2SO4 = BaSO4 + K2CI2
K3Fe(CN)6 = K3 + Fe(CN)6 =>
K3Fe(CN)6 = K3 + Fe(CN)6
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
K3Fe(CN)6 = K3 + Fe(CN)6 =>
K3Fe(CN)6 = K3 + Fe(CN)6
CuCl2 + Pb(NO3) = Cu(NO3) + PbCl2 =>
CuCl2 + Pb(NO3) = Cu(NO3) + PbCl2
Fe(s) + H2SO4(ac) = Fe2(SO4)3(ac) + H2(g) =>
2 Fe(s) + 3 H2SO4(ac) = Fe2(SO4)3(ac) + 3 H2(g)
PbS(s) + HNO3(ac) = Pb(NO3)2(ac) + H2S(g) =>
PbS(s) + 2 HNO3(ac) = Pb(NO3)2(ac) + H2S(g)
MnCl2 + Na2CO3 = MnCO3 + NaCl =>
MnCl2 + Na2CO3 = MnCO3 + 2 NaCl
CO + H3 = C8H18 + H2O =>
24 CO + 34 H3 = 3 C8H18 + 24 H2O
SO3 + NaHCO3 = Na2SO4 + H2O + CO2 =>
SO3 + 2 NaHCO3 = Na2SO4 + H2O + 2 CO2
H3PO4(aq) + CaO(s) = Ca3(PO4)2(aq) + H2O(l) =>
2 H3PO4(aq) + 3 CaO(s) = Ca3(PO4)2(aq) + 3 H2O(l)
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Équations équilibrées sur10/20/24
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