| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + 2 H2O = H2 + 2 HO{-} + 2 Na{+}
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
(NH4)2CO3 + Sr(NO3)2 = SrCO3 + NH4NO3 =>
(NH4)2CO3 + Sr(NO3)2 = SrCO3 + 2 NH4NO3
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
CuCO3 + HNO3 = Cu(NO3)2 + H2O + CO2 =>
CuCO3 + 2 HNO3 = Cu(NO3)2 + H2O + CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
PbO + C = Pb + CO2 =>
2 PbO + C = 2 Pb + CO2
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
Sn + KOH = K2SnO2 + H2 =>
Sn + 2 KOH = K2SnO2 + H2
H2S(g) + O2(g) = SO2(g) + H2O(g) =>
2 H2S(g) + 3 O2(g) = 2 SO2(g) + 2 H2O(g)
Al + CuCl = AlCl3 + Cu =>
Al + 3 CuCl = AlCl3 + 3 Cu
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
C2H5OH + O2 = CH3COOH + H2O =>
C2H5OH + O2 = CH3COOH + H2O
NH4NO3 = H2O + N2 + O2 =>
2 NH4NO3 = 4 H2O + 2 N2 + O2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + FeCl3 = FeCl2 =>
Fe + 2 FeCl3 = 3 FeCl2
KCl + NaNO3 = KNO3 + NaCl =>
KCl + NaNO3 = KNO3 + NaCl
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
BaF2 + Na3PO4 = Ba3(PO4)2 + NaF =>
3 BaF2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaF
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
NH4Br(s) = N2(g) + H2(g) + Br2(g) =>
2 NH4Br(s) = N2(g) + 4 H2(g) + Br2(g)
lead(ii)nitrate + potassiumsulfide = potassiumnitrate + lead(ii)sulfide =>
Pb(NO3)2 + K2S = 2 KNO3 + PbS
C6H6 + H2O2 = CO2 + H2O =>
C6H6 + 15 H2O2 = 6 CO2 + 18 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
lead(ii)nitrate + potassiumsulfide = potassiumnitrate + lead(ii)sulfide =>
Pb(NO3)2 + K2S = 2 KNO3 + PbS
MgO + Fe = Fe2O3 + Mg =>
3 MgO + 2 Fe = Fe2O3 + 3 Mg
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
Cu2O + CO = Cu + CO2 =>
Cu2O + CO = 2 Cu + CO2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
K(NO3) = K(NO2) + O2 =>
2 K(NO3) = 2 K(NO2) + O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CaF2 = Ca + F2 =>
CaF2 = Ca + F2
CaF2 = Ca + F =>
CaF2 = Ca + 2 F
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
Ca(NO3)2 + (NH4)2CO3 = CaCO3 + NH4NO3 =>
Ca(NO3)2 + (NH4)2CO3 = CaCO3 + 2 NH4NO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/30/21
Équations équilibrées sur04/29/20
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