| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2O2 + 2 Fe{+2} + 2 H{+} = 2 Fe{+3} + 2 H2O
H{+} + Cr2O7{-2} + HNO2 = H2O + Cr{+3} + NO3{-} =>
5 H{+} + Cr2O7{-2} + 3 HNO2 = 4 H2O + 2 Cr{+3} + 3 NO3{-}
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
Na + O = Na2O =>
2 Na + O = Na2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K2Cr2O7 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
K2Cr2O7 + 3 Na2SO3 + 8 HCl = 2 KCl + 3 Na2SO4 + 2 CrCl3 + 4 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
Pb(NO3)2 + KI = Pb(NO3)2KI =>
Pb(NO3)2 + KI = Pb(NO3)2KI
(NH4)3PO4 + CaCl2 = Ca3(PO4)2 + NH4Cl =>
2(NH4)3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NH4Cl
CuSO4 + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4 + 2 Fe = Fe2(SO4)3 + 3 Cu
C2H8 + O2 = CO2 + H2O =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
FeCl3 + Pb(OH)2 = Fe(OH)3 + PbCl2 =>
2 FeCl3 + 3 Pb(OH)2 = 2 Fe(OH)3 + 3 PbCl2
HNO3 + NaOH = Na(NO3) + H2O =>
HNO3 + NaOH = Na(NO3) + H2O
Mg + N = Mg3N =>
3 Mg + N = Mg3N
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
H + O = H2O =>
2 H + O = H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Na3PO4 + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
H + O = H2O =>
2 H + O = H2O
Cu + Ag(NO3) = Cu(NO3) + Ag =>
Cu + Ag(NO3) = Cu(NO3) + Ag
NH3 + O2 = H2O + N2 =>
4 NH3 + 3 O2 = 6 H2O + 2 N2
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
NH3 + F2 = NH4F + NF3 =>
4 NH3 + 3 F2 = 3 NH4F + NF3
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
H2SO4 + NaOH = Na2(SO4) + H2O =>
H2SO4 + 2 NaOH = Na2(SO4) + 2 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
ZnCl2 = Zn + Cl2 =>
ZnCl2 = Zn + Cl2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
MgCO3 + HCl = MgCl2 + HOH + CO2 =>
MgCO3 + 2 HCl = MgCl2 + HOH + CO2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Ca(OH)2(s) + HCl(aq) = CaCl2(aq) + H2O(l) =>
Ca(OH)2(s) + 2 HCl(aq) = CaCl2(aq) + 2 H2O(l)
S8 + H2 = H2S =>
S8 + 8 H2 = 8 H2S
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
NaHCO3(s) + HCl(aq) = NaCl(aq) + CO2(g) + H2O(g) =>
NaHCO3(s) + HCl(aq) = NaCl(aq) + CO2(g) + H2O(g)
Cu2O + C = Cu + CO =>
Cu2O + C = 2 Cu + CO
Na2CO3 + CoCl2 = NaCl + CoCO3 =>
Na2CO3 + CoCl2 = 2 NaCl + CoCO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/08/11
Équations équilibrées sur03/10/10
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