| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 6 Cl
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca(OH) + S = CaS5 + CaS2O3 + H2O =>
6 Ca(OH) + 27 S = 5 CaS5 + CaS2O3 + 3 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 6 Cl
H2SO4 + K2CO3 = CO2 + H2O + K2SO4 =>
H2SO4 + K2CO3 = CO2 + H2O + K2SO4
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
C7H16O + HBr = C7H15Br + H2O =>
C7H16O + HBr = C7H15Br + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
C7H15Br + Mg = C7H15MgBr =>
C7H15Br + Mg = C7H15MgBr
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
AgNO3 + ZnBr2 = AgBr + Zn(NO3)2 =>
2 AgNO3 + ZnBr2 = 2 AgBr + Zn(NO3)2
OH{-} = H2O + O2 + e =>
4 OH{-} = 2 H2O + O2 + 4e
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
NO2 = N2O4 =>
2 NO2 = N2O4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Pb(NO3)2 + K2CrO4 = Pb(CrO4)2 + K2NO3 =>
Pb(NO3)2 + 2 K2CrO4 = Pb(CrO4)2 + 2 K2NO3
SiO2(s) + C(s) = SiC(s) + CO(g) =>
SiO2(s) + 3 C(s) = SiC(s) + 2 CO(g)
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Fe(OH)2 + H2O2(ag) = Fe(OH)3(ag) =>
2 Fe(OH)2 + H2O2(ag) = 2 Fe(OH)3(ag)
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
N2O4(l) + N2H4(l) = N2(g) + H2O(g) =>
N2O4(l) + 2 N2H4(l) = 3 N2(g) + 4 H2O(g)
H2SO4 + HI = H2S + I + H2O =>
H2SO4 + 8 HI = H2S + 8 I + 4 H2O
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Cu(NO3)2 + Zn = Cu + ZnNO3 =>
Cu(NO3)2 + 2 Zn = Cu + 2 ZnNO3
CrCl3 + NaOH + H2O2 = Cr2O4 + NaCl + H2O =>
2 CrCl3 + 6 NaOH + H2O2 = Cr2O4 + 6 NaCl + 4 H2O
Ni(CO)4(g) = Ni(s) + CO(g) =>
Ni(CO)4(g) = Ni(s) + 4 CO(g)
Cu + AgNO3 = Ag + CuNO3 =>
Cu + AgNO3 = Ag + CuNO3
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Na2CO3(aq) + NiCl2(aq) = NiCO3 + Na2Cl2 =>
Na2CO3(aq) + NiCl2(aq) = NiCO3 + Na2Cl2
K2CO3 + H3PO4 = KH2PO4 + CO2 + H2O =>
K2CO3 + 2 H3PO4 = 2 KH2PO4 + CO2 + H2O
Na2CO3(aq) + NiCl2(aq) = NiCO3 + Na2Cl2 =>
Na2CO3(aq) + NiCl2(aq) = NiCO3 + Na2Cl2
K2CrO4 + NaCl = K2Cl + NaCrO4 =>
K2CrO4 + NaCl = K2Cl + NaCrO4
Fe2O3 + CO = FeO + CO2 =>
Fe2O3 + CO = 2 FeO + CO2
Zn + H2SO4(aq) = ZnSO4 + H2 =>
Zn + H2SO4(aq) = ZnSO4 + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/05/11
Équations équilibrées sur04/04/10
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