| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cu2O + 4 H2SO4 = 4 CuS + 4 H2O + 7 O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
AgI2 + I{-} = AgI4{-2} =>
AgI2 + 2 I{-} = AgI4{-2}
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Ca(OH)2 + Al2(SO4)3 = CaSO4 + Al(OH)3 =>
3 Ca(OH)2 + Al2(SO4)3 = 3 CaSO4 + 2 Al(OH)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2CO3 + HBr = CO2 + H2O + NaBr =>
Na2CO3 + 2 HBr = CO2 + H2O + 2 NaBr
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O =>
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
PbO + NH3 = Pb + N2 + H2O =>
3 PbO + 2 NH3 = 3 Pb + N2 + 3 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
K + SO3 = K2SO3 =>
2 K + SO3 = K2SO3
NaHCO3(s) + HC2H3O2(aq) = H2O + CO2(g) + NaC2H3O2(aq) =>
NaHCO3(s) + HC2H3O2(aq) = H2O + CO2(g) + NaC2H3O2(aq)
Na2SO3 + HCl = SO2 + H2O + NaCl =>
Na2SO3 + 2 HCl = SO2 + H2O + 2 NaCl
K2O + SO2 = K2SO3 =>
K2O + SO2 = K2SO3
NaNO3 + KOH = NaOH + KNO3 =>
NaNO3 + KOH = NaOH + KNO3
K2S + HNO3 = KNO3 + H2S =>
K2S + 2 HNO3 = 2 KNO3 + H2S
Ca + HNO3 = Ca(NO3)2 + NH4NO3 + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + NH4NO3 + 3 H2O
Ag + Cl = AgCl =>
Ag + Cl = AgCl
HNO3 + CH3OH = C3H7NO2 + CO2 + H2O =>
3 HNO3 + 10 CH3OH = 3 C3H7NO2 + CO2 + 11 H2O
NaHCO3(s) + HC2H3O2(aq) = H2O + CO2(g) + NaC2H3O2(aq) =>
NaHCO3(s) + HC2H3O2(aq) = H2O + CO2(g) + NaC2H3O2(aq)
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
HgS + O2 = Hg + SO2 =>
HgS + O2 = Hg + SO2
HgS + Al = HgAl + S =>
HgS + Al = HgAl + S
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
NaOH + SO2 = NaHSO3 =>
NaOH + SO2 = NaHSO3
C3H8O + Cr2O7{-2} + H{+} = C3H6O + Cr{+3} + H2O =>
3 C3H8O + Cr2O7{-2} + 8 H{+} = 3 C3H6O + 2 Cr{+3} + 7 H2O
Fe + Cl2 = FeCl =>
2 Fe + Cl2 = 2 FeCl
Cl{-}(aq) + Ag{+}(aq) = AgCl =>
Cl{-}(aq) + Ag{+}(aq) = AgCl
AgNo3(aq) + CaCl2(aq) = AgCl(s) + Ca(No3)2(aq) =>
2 AgNo3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(No3)2(aq)
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Fe(OH)3(s) + H2SO4(aq) = Fe2(SO4)3(aq) + H2O(l) =>
2 Fe(OH)3(s) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 6 H2O(l)
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
Mg3N2(s) + H2SO4(aq) = MgSO4(aq) + (NH4)2SO4(aq) =>
Mg3N2(s) + 4 H2SO4(aq) = 3 MgSO4(aq) + (NH4)2SO4(aq)
Cu + HNO3 = NO + Cu(NO3)2 + H2O =>
3 Cu + 8 HNO3 = 2 NO + 3 Cu(NO3)2 + 4 H2O
KNO3(s) = KNO2(s) + O2(g) =>
2 KNO3(s) = 2 KNO2(s) + O2(g)
La2O3(s) + H2O(l) = La(OH)3(aq) =>
La2O3(s) + 3 H2O(l) = 2 La(OH)3(aq)
BaO + P2O5 = Ba3(PO4)2 =>
3 BaO + P2O5 = Ba3(PO4)2
NCl3(aq) + H2O(l) = NH3(aq) + HOCl(aq) =>
NCl3(aq) + 3 H2O(l) = NH3(aq) + 3 HOCl(aq)
Mg3N2(s) + HCl(aq) = MgCl2(aq) + NH4Cl(aq) =>
Mg3N2(s) + 8 HCl(aq) = 3 MgCl2(aq) + 2 NH4Cl(aq)
Cu(NO3)2 + NaI = I2 + CuI + NaNO3 =>
2 Cu(NO3)2 + 4 NaI = I2 + 2 CuI + 4 NaNO3
AgNO3(aq) + K2SO4(aq) = Ag2SO4(s) + KNO3(aq) =>
2 AgNO3(aq) + K2SO4(aq) = Ag2SO4(s) + 2 KNO3(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/10/12
Équations équilibrées sur10/10/11
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