| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ba + CrO4 = BaCrO4
NO + OH = NO3 + H2O =>
NO + 4 OH = NO3 + 2 H2O
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
KI = K + I =>
KI = K + I
NaBr + NaBrO3 + H2SO4 = Br2 + Na2SO4 + H2O =>
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2 + 3 Na2SO4 + 3 H2O
(NH4)2S + SrCl2 = NH4Cl + SrS =>
(NH4)2S + SrCl2 = 2 NH4Cl + SrS
KOH(aq) + H3O(aq) = H2O(l) + K(aq) =>
KOH(aq) + H3O(aq) = 2 H2O(l) + K(aq)
C14H10O2 + NaBH4 + CH4O = C14H14O2 + NaB(OC3H7) =>
3 C14H10O2 + 6 NaBH4 + 4 CH4O = 2 C14H14O2 + 6 NaB(OC3H7)
KOH(s) + H3O(s) = H2O(l) + K(s) =>
KOH(s) + H3O(s) = 2 H2O(l) + K(s)
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
KOH(l) + H3O(s) = H2O(l) + K(s) =>
KOH(l) + H3O(s) = 2 H2O(l) + K(s)
PbS + HNO3 = Pb(NO3)2 + NO2 + S + H2O =>
PbS + 4 HNO3 = Pb(NO3)2 + 2 NO2 + S + 2 H2O
KOH(s) + H3O(s) = H2O(l) + K(s) =>
KOH(s) + H3O(s) = 2 H2O(l) + K(s)
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
Cr2O7{-2} + H{+} + I{-} = Cr{+3} + I2 + H2O =>
Cr2O7{-2} + 14 H{+} + 6 I{-} = 2 Cr{+3} + 3 I2 + 7 H2O
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
NH4NO3 + C12H26 = CO2 + H2O + N2 =>
37 NH4NO3 + C12H26 = 12 CO2 + 87 H2O + 37 N2
Cu(NO3)2 + K2CO3 = CuCO3 + KNO3 =>
Cu(NO3)2 + K2CO3 = CuCO3 + 2 KNO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
Cr2O7{-2} + H{+} + I{-} = Cr{+3} + I2 + H2O =>
Cr2O7{-2} + 14 H{+} + 6 I{-} = 2 Cr{+3} + 3 I2 + 7 H2O
MnO2 + OH = MnO4 + H2O =>
MnO2 + 4 OH = MnO4 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2O = H2 + OH =>
2 H2O = H2 + 2 OH
H3BO3 + H2O = BO3 + H3O =>
H3BO3 + 3 H2O = BO3 + 3 H3O
CaCl2 + Na2C2O4 = CaC2O4 + NaCl =>
CaCl2 + Na2C2O4 = CaC2O4 + 2 NaCl
Na + S = Na2S =>
2 Na + S = Na2S
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
H2C2O4 + H2O = H3O{+} + C2O4{2-} =>
H2C2O4 + 2 H2O = 2 H3O{+} + C2O4{2-}
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Ca + F2 = CaF2 =>
Ca + F2 = CaF2
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Na2CO3 + CaCl2 = NaCl + CaCO3 =>
Na2CO3 + CaCl2 = 2 NaCl + CaCO3
Al2(SO4)3 + AgNO3 = Al(NO3)3 + Ag2SO4 =>
Al2(SO4)3 + 6 AgNO3 = 2 Al(NO3)3 + 3 Ag2SO4
HOCH2CH2OH + O2 = CO2 + H2O =>
2 HOCH2CH2OH + 5 O2 = 4 CO2 + 6 H2O
KI + ZnCl2 = ZnI2 + K2 + Cl2 =>
2 KI + ZnCl2 = ZnI2 + K2 + Cl2
Mn + H2O = MnO2 + H =>
Mn + 2 H2O = MnO2 + 4 H
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
H2SO4 + Ca3(PO4)2 = H3PO4 + CaSO4 =>
3 H2SO4 + Ca3(PO4)2 = 2 H3PO4 + 3 CaSO4
S + Fe3O2 = Fe + SO2 =>
S + Fe3O2 = 3 Fe + SO2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
H2O = H2 + OH =>
2 H2O = H2 + 2 OH
H2O + CO2 = H2CO3 =>
H2O + CO2 = H2CO3
C8H18 + O2 = H2O + CO =>
2 C8H18 + 17 O2 = 18 H2O + 16 CO
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/02/13
Équations équilibrées sur04/01/12
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