| Équations équilibrées la veille | Équations équilibrées le lendemain |
CrO7 + 7 H3AsO3 = Cr + 7 H3AsO4
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaI + H2SO4� = H2S + I2 + Na2SO4 + H2O =>
8 NaI + 5 H2SO4� = H2S + 4 I2 + 4 Na2SO4 + 4 H2O
Fe2O3 + C = Fe2 + CO3 =>
Fe2O3 + C = Fe2 + CO3
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
(NH4)2SO4 + Ca(OH)2 = CaSO4 + NH4OH =>
(NH4)2SO4 + Ca(OH)2 = CaSO4 + 2 NH4OH
Al(NO3)3 + K2Cr2O7 = Al2(Cr2O7)3 + KNO3 =>
2 Al(NO3)3 + 3 K2Cr2O7 = Al2(Cr2O7)3 + 6 KNO3
H2SO3 + H2S = S + H2O =>
H2SO3 + 2 H2S = 3 S + 3 H2O
CuI + HgI2 = Cu2HgI4 =>
2 CuI + HgI2 = Cu2HgI4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C2H5OH + NaHCO3 = H2O + NaCO3 + C2H5 =>
C2H5OH + NaHCO3 = H2O + NaCO3 + C2H5
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
CuFeS2 + O2 = Cu2S + FeS + SO2 =>
2 CuFeS2 + O2 = Cu2S + 2 FeS + SO2
K + CH3COOH = CH3COOK + H2 =>
2 K + 2 CH3COOH = 2 CH3COOK + H2
CrO7 + H3AsO3 = Cr + H3AsO4 =>
CrO7 + 7 H3AsO3 = Cr + 7 H3AsO4
AgNO3 + NaI = NaNO3 + AgI =>
AgNO3 + NaI = NaNO3 + AgI
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C3H8O3 + O2 = H2O + CO2 =>
2 C3H8O3 + 7 O2 = 8 H2O + 6 CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
K4Fe(CN6) + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN6) + 82 KMnO4 + 219 H2SO4 = 122 KHSO4 + 5 Fe2(SO4)3 + 82 MnSO4 + 60 HNO3 + 10 CO2 + 128 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
MnCl2 + K2CO3 = MnCO3 + KCl =>
MnCl2 + K2CO3 = MnCO3 + 2 KCl
C3H6 + KMnO4 + H2O = C3H6(OH)2 + MnO2 + KOH =>
3 C3H6 + 2 KMnO4 + 4 H2O = 3 C3H6(OH)2 + 2 MnO2 + 2 KOH
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
AgI + HgI2 = Ag2HgI4 =>
2 AgI + HgI2 = Ag2HgI4
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
Al + H{+} = Al3{+} + H2 =>
6 Al + 2 H{+} = 2 Al3{+} + H2
CaCN2 + H2O = CaCO3 + NH3 =>
CaCN2 + 3 H2O = CaCO3 + 2 NH3
C4H6 + O2 = CO2 + H20 =>
10 C4H6 + 40 O2 = 40 CO2 + 3 H20
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
HClO3 + KOH = H2OKClO3 =>
HClO3 + KOH = H2OKClO3
HClO3 + KOH = H2O + KClO3 =>
HClO3 + KOH = H2O + KClO3
Mn2O7 = MnO2 + O2 =>
2 Mn2O7 = 4 MnO2 + 3 O2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
AlCl3 + Br2 = AlBr3 + Cl2 =>
2 AlCl3 + 3 Br2 = 2 AlBr3 + 3 Cl2
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
NO + NAOH = NANO2 + N2 + H2O =>
6 NO + 4 NAOH = 4 NANO2 + N2 + 2 H2O
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
Sn{2+} + Hg{2+} = Sn{4+} + Hg{+} =>
Sn{2+} + 2 Hg{2+} = Sn{4+} + 2 Hg{+}
C15H30 + O2 = CO2 + H2O =>
2 C15H30 + 45 O2 = 30 CO2 + 30 H2O
CH3OK + H2O = CH3OH + KOH =>
CH3OK + H2O = CH3OH + KOH
CH3OH + HBr = CH3Br + H2O =>
CH3OH + HBr = CH3Br + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2O + H2SO3 = Na2SO3 + H2O =>
Na2O + H2SO3 = Na2SO3 + H2O
AgNO3 + BaCl2 = Ba(NO3)2 + AgCl(s) =>
2 AgNO3 + BaCl2 = Ba(NO3)2 + 2 AgCl(s)
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
| 1 2 3 4 |
| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/27/14
Équations équilibrées sur04/26/13
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