| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
C7H8O2(l) + O2(g) = CO2(g) + H2O(g) =>
C7H8O2(l) + 8 O2(g) = 7 CO2(g) + 4 H2O(g)
NaOH(aq) + CuSO4(aq) = NaSO4 + CuOH =>
NaOH(aq) + CuSO4(aq) = NaSO4 + CuOH
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
Na2B4O7 + HCl + H2O = NaCl + H3BO3 =>
Na2B4O7 + 2 HCl + 5 H2O = 2 NaCl + 4 H3BO3
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
H2CO3 + Mg(OH)2 = MgCO3 + H2O =>
H2CO3 + Mg(OH)2 = MgCO3 + 2 H2O
O2 = O3 =>
3 O2 = 2 O3
K2SO4 + AgNO3 = KNO3 + Ag2SO4 =>
K2SO4 + 2 AgNO3 = 2 KNO3 + Ag2SO4
KNO3 + H2SO4 = KSO4 + H2NO3 =>
KNO3 + H2SO4 = KSO4 + H2NO3
Ba(C2H3O2)2(aq) + K2CrO4(aq) = BaCrO4 + K(C2H3O2) =>
Ba(C2H3O2)2(aq) + K2CrO4(aq) = BaCrO4 + 2 K(C2H3O2)
HO4PNa2 + CaCl2 = HO4PCa + NaCl =>
HO4PNa2 + CaCl2 = HO4PCa + 2 NaCl
Na2S2O3 = Na{+} + S2O3{-2} =>
Na2S2O3 = 2 Na{+} + S2O3{-2}
C2H5NO2 + NAOH = CO2 + (NH4)OH + NA + H2O =>
C2H5NO2 + 6 NAOH = 2 CO2 + (NH4)OH + 6 NA + 3 H2O
Al + MnO4 + H2O = MnO2 + Al(OH)3 =>
4 Al + 3 MnO4 + 6 H2O = 3 MnO2 + 4 Al(OH)3
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
NH4Cl + Pb(OH)2 = PbCl2 + H2O + NH3 =>
2 NH4Cl + Pb(OH)2 = PbCl2 + 2 H2O + 2 NH3
S2O3{-2} = S4O6{-2} + {-} =>
2 S2O3{-2} = S4O6{-2} + 2e
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
AlBr3 + Cl = AlCl3 + Br =>
AlBr3 + 3 Cl = AlCl3 + 3 Br
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
S2O3{-2} = S4O6{-2} + {-} =>
2 S2O3{-2} = S4O6{-2} + 2e
Ag2SO4 + BaCl2 = AgCl + BaSO4 =>
Ag2SO4 + BaCl2 = 2 AgCl + BaSO4
S2O3{-2} + H{+} = HSO3{-} + S =>
S2O3{-2} + H{+} = HSO3{-} + S
K + Cl = KCl =>
K + Cl = KCl
Al + HCl = H + AlCl3 =>
Al + 3 HCl = 3 H + AlCl3
H + NO = H2O + N =>
2 H + NO = H2O + N
Zn + Pb(NO3)2 = Pb + Zn(NO3)2 =>
Zn + Pb(NO3)2 = Pb + Zn(NO3)2
Mg3N2 + H2O = MgO + NH3 =>
Mg3N2 + 3 H2O = 3 MgO + 2 NH3
Zn + Pb(NO3)2 = Pb + Zn(NO3)2 =>
Zn + Pb(NO3)2 = Pb + Zn(NO3)2
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
Zn(OH)2(s) + AgNO3(aq) + H3O(aq) = Zn(NO3)2 + Ag(OH2)2 =>
Zn(OH)2(s) + 2 AgNO3(aq) + 2 H3O(aq) = Zn(NO3)2 + 2 Ag(OH2)2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaHSO3 + NaOH = Na2SO3 + H2O =>
NaHSO3 + NaOH = Na2SO3 + H2O
C2H5OH + O{-2} = H2O + CH3COOH + {-} =>
C2H5OH + 2 O{-2} = H2O + CH3COOH + 4e
(NH4)2S + Cu(NO3)2 = NH4NO3 + CuS =>
(NH4)2S + Cu(NO3)2 = 2 NH4NO3 + CuS
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2S2O5 + NaOH = Na2SO3 + H2O =>
Na2S2O5 + 2 NaOH = 2 Na2SO3 + H2O
C2H5OH + O2{-2} = H2O + CH3COOH + {-} =>
C2H5OH + O2{-2} = H2O + CH3COOH + 2e
CuO = Cu + O2 =>
2 CuO = 2 Cu + O2
Pb(NO3)2 + HCl = PbCl2 + HNO3 =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 HNO3
C2H5OH + O{-2} = H2O + CH3COOH + {-} =>
C2H5OH + 2 O{-2} = H2O + CH3COOH + 4e
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/03/16
Équations équilibrées sur08/02/15
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