| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Al + 3 FeO = Al2O3 + 3 Fe
HCl + AgNO3 = HNO3 + AgCl =>
HCl + AgNO3 = HNO3 + AgCl
C9H6 + O2 = H2O + CO2 =>
2 C9H6 + 21 O2 = 6 H2O + 18 CO2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
B2O3 + Mg = MgB + MgO2 =>
2 B2O3 + 7 Mg = 4 MgB + 3 MgO2
C6H5OH + HNO3 = C6H2(NO2)3OH + H2O =>
C6H5OH + 3 HNO3 = C6H2(NO2)3OH + 3 H2O
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
KMnO4 + Na2C2O4 = K2C2O4 + NaMnO4 =>
2 KMnO4 + Na2C2O4 = K2C2O4 + 2 NaMnO4
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
CoCl + NaHO = Co(HO)2 + Na2Cl =>
CoCl + 2 NaHO = Co(HO)2 + Na2Cl
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
HI(aq) + KOH(aq) = H2O(l) + KI(aq) =>
HI(aq) + KOH(aq) = H2O(l) + KI(aq)
CO2 + NaOH = NaHCO3 =>
CO2 + NaOH = NaHCO3
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
Pb(NO3)2(aq) + NACl(aq) = PbCl2(s) + NANO3(aq) =>
Pb(NO3)2(aq) + 2 NACl(aq) = PbCl2(s) + 2 NANO3(aq)
Cr + Pb{2+} = Cr{3+} + Pb{+} =>
Cr + 3 Pb{2+} = Cr{3+} + 3 Pb{+}
Pb(OH)3{-} + OCl{-} = PbO2 + Cl{-} + OH{-} + H2O =>
Pb(OH)3{-} + OCl{-} = PbO2 + Cl{-} + OH{-} + H2O
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
Na2Cr2O7 + S = Cr2O3 + Na2SO4 =>
Na2Cr2O7 + S = Cr2O3 + Na2SO4
KCN(aq) + HBr(aq) = KBr(aq) + HCN(aq) =>
KCN(aq) + HBr(aq) = KBr(aq) + HCN(aq)
KClO3 + P4 = P4O10 + KCl =>
10 KClO3 + 3 P4 = 3 P4O10 + 10 KCl
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
C + S8 = CS2 =>
4 C + S8 = 4 CS2
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
ClO2 + H2O = HClO2 + HClO3 =>
2 ClO2 + H2O = HClO2 + HClO3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
HCl + Mg(OH)2 = MgCl2 + H2O =>
2 HCl + Mg(OH)2 = MgCl2 + 2 H2O
H2(SO4) + Mg = Mg(SO4) + H2 =>
H2(SO4) + Mg = Mg(SO4) + H2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
HIO3 + H2S = S + HI + H2O =>
HIO3 + 3 H2S = 3 S + HI + 3 H2O
CaCl2 + KOH = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH = Ca(OH)2 + 2 KCl
[Co(NH3)5Cl]Cl2 + NaNO2 = [Co(NH3)5NO2]Cl2 + NaCl =>
[Co(NH3)5Cl]Cl2 + NaNO2 = [Co(NH3)5NO2]Cl2 + NaCl
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
H2(SO4) + Mg2 = Mg(SO4) + H2 =>
2 H2(SO4) + Mg2 = 2 Mg(SO4) + 2 H2
As2S3 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
As2S3 + 28 HNO3 = 2 H3AsO4 + 3 H2SO4 + 28 NO2 + 8 H2O
Fe + H2(SO4) = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2(SO4) = Fe2(SO4)3 + 3 H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CdBr2 + Na2S = CdS + Na2Br2 =>
CdBr2 + Na2S = CdS + Na2Br2
NaCN + H2SO4 = HCN + Na2SO4 =>
2 NaCN + H2SO4 = 2 HCN + Na2SO4
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
AgCl + S2O3 = Ag(S2O3)2 + Cl =>
AgCl + 2 S2O3 = Ag(S2O3)2 + Cl
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/04/15
Équations équilibrées sur11/03/14
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