| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2CO3(aq) + Mg(OH)2(s) = MgCO3 + 2 H2O
C6H5CHOHCH3 + K2Cr2O7 + H2SO4 = C6H3COCH3 + Cr2(SO4)3 + H2O + K2SO4 =>
3 C6H5CHOHCH3 + 2 K2Cr2O7 + 8 H2SO4 = 3 C6H3COCH3 + 2 Cr2(SO4)3 + 14 H2O + 2 K2SO4
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Cr(OH)3 + HBr = CrBr3 + H2O =>
Cr(OH)3 + 3 HBr = CrBr3 + 3 H2O
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
S + KOH = K2S + K2SO3 + H20 =>
30 S + 60 KOH = 10 K2S + 20 K2SO3 + 3 H20
CaCO3 + HCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
S2O3{2-} + I2 = S4O6{2-} + I{-} =>
2 S2O3{2-} + I2 = S4O6{2-} + 2 I{-}
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CoCO3 + H2SO4 = CO2 + H2O + CoSO4 =>
CoCO3 + H2SO4 = CO2 + H2O + CoSO4
C8H9NO + HNO3 = C8H8N2O3 + H2O =>
C8H9NO + HNO3 = C8H8N2O3 + H2O
H2O + Na2O3 = NaOH + O2 =>
H2O + Na2O3 = 2 NaOH + O2
NaHCO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 CO2 + 2 H2O
C8H9NO + HNO3 = C8H8N2O3 + H2O =>
C8H9NO + HNO3 = C8H8N2O3 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H2O + NaO3 = NaOH + O2 =>
2 H2O + 4 NaO3 = 4 NaOH + 5 O2
CuS + HNO3 = Cu(NO3)2 + H2S =>
CuS + 2 HNO3 = Cu(NO3)2 + H2S
Cl2 + NaI = NaCl2 + I2 =>
2 Cl2 + 2 NaI = 2 NaCl2 + I2
Cu(NO3)2 = Cu + NO2 + O2 =>
Cu(NO3)2 = Cu + 2 NO2 + O2
H2O + Na2O3 = NaOH + O2 =>
H2O + Na2O3 = 2 NaOH + O2
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
C8H18 + O2 = CO2 + H20 =>
10 C8H18 + 80 O2 = 80 CO2 + 9 H20
H20 + Na2O3 = NaOH + O2 =>
H20 + 10 Na2O3 = 20 NaOH + 5 O2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
SiO2 + C2 = SiC3 + CO2 =>
SiO2 + 2 C2 = SiC3 + CO2
CoCO3 + H2SO4 = CO2 + H2O + CoSO4 =>
CoCO3 + H2SO4 = CO2 + H2O + CoSO4
H20 + Na2O3 = NaOH + O2 =>
H20 + 10 Na2O3 = 20 NaOH + 5 O2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
VO + Fe2O3 = V2O5 + FeO =>
2 VO + 3 Fe2O3 = V2O5 + 6 FeO
H2O + Na2O3 = NaOH + O2 =>
H2O + Na2O3 = 2 NaOH + O2
H20 + Na2O3 = NaOH + O2 =>
H20 + 10 Na2O3 = 20 NaOH + 5 O2
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
Cu + HCl = CuCl + H2 =>
2 Cu + 2 HCl = 2 CuCl + H2
H2O + Na2O3 = NaOH + O2 =>
H2O + Na2O3 = 2 NaOH + O2
CO + Fe2O3 = CO2 + Fe =>
3 CO + Fe2O3 = 3 CO2 + 2 Fe
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
Cu + O = CuO =>
Cu + O = CuO
Cr + H2O = Cr3O4 + H2 =>
3 Cr + 4 H2O = Cr3O4 + 4 H2
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
KClO3(s) + Mg(s) = KCl(s) + MgO(s) =>
KClO3(s) + 3 Mg(s) = KCl(s) + 3 MgO(s)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HCl + Zn = H2 + ZnCl =>
2 HCl + 2 Zn = H2 + 2 ZnCl
ZnSO4 + (NH4)2S = (NH4)2SO4 + ZnS =>
ZnSO4 + (NH4)2S = (NH4)2SO4 + ZnS
C3H6 + H2 = C3H8 =>
C3H6 + H2 = C3H8
Cr + H2O = Cr3O4 + H2 =>
3 Cr + 4 H2O = Cr3O4 + 4 H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/18/14
Équations équilibrées sur03/20/13
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