| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KMnO4 + 3 H2SO4 + 5 Na3AsO3 = K2SO4 + 2 MnSO4 + 5 Na3AsO4 + 3 H2O
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
FeS2 + O2 + H20 = Fe(OH)3 + H{+} + SO4{2-} =>
20 FeS2 + 110 O2 + 7 H20 = 20 Fe(OH)3 + 80 H{+} + 40 SO4{2-}
KMnO4 + H2SO4 + NaNO2 = K2SO4 + NaNO3 + MnSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 NaNO2 = K2SO4 + 5 NaNO3 + 2 MnSO4 + 3 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
NaIO4 + KI + CH3COOH = KOCOCH3 + NaOCOCH3 + H2O + I2 =>
NaIO4 + 7 KI + 8 CH3COOH = 7 KOCOCH3 + NaOCOCH3 + 4 H2O + 4 I2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
NaHSO3 + HCl + KMnO4 = NaHSO4 + KCl + MnCl2 + H2O =>
5 NaHSO3 + 6 HCl + 2 KMnO4 = 5 NaHSO4 + 2 KCl + 2 MnCl2 + 3 H2O
NaOCl + KI + CH3COOH = NaCl + KOCOCH3 + H2O + I2 =>
NaOCl + 2 KI + 2 CH3COOH = NaCl + 2 KOCOCH3 + H2O + I2
AlCl3 + Na2H2Y = NaCl + Cl{-} + AlY{-}2 + H{+} =>
AlCl3 + Na2H2Y = 2 NaCl + Cl{-} + AlY{-}2 + 2 H{+}
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
CaCIO3 + NaSO4 = CaSO4 + NaCIO3 =>
CaCIO3 + NaSO4 = CaSO4 + NaCIO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
I2 + Na2S2O3 = Na2S4O6 + NaI =>
I2 + 2 Na2S2O3 = Na2S4O6 + 2 NaI
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C2H4O2 + Mg = H2 + Mg(CH3COO)2 =>
2 C2H4O2 + Mg = H2 + Mg(CH3COO)2
HCl + Mg = H2 + MgCl2 =>
2 HCl + Mg = H2 + MgCl2
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
NaHSO3 + HCl + K2Cr2O7 = NaHSO4 + KCl + Cr2O3 + H2O =>
3 NaHSO3 + 2 HCl + K2Cr2O7 = 3 NaHSO4 + 2 KCl + Cr2O3 + H2O
C7H16 = C02 + H20 =>
10 C7H16 = 35 C02 + 8 H20
C8H18 + O2 = HO2 + CO2 =>
C8H18 + 26 O2 = 18 HO2 + 8 CO2
Cu(s) + AgNO3(aq) = CuNO3 + Ag =>
Cu(s) + AgNO3(aq) = CuNO3 + Ag
Pb(NO3)2 + Na2SO4 = NaNO3 + PbSO4 =>
Pb(NO3)2 + Na2SO4 = 2 NaNO3 + PbSO4
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O =>
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O
Zn + N2 = Zn3N2 =>
3 Zn + N2 = Zn3N2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na + F2 = NaF =>
2 Na + F2 = 2 NaF
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Na + N2 = NaN =>
2 Na + N2 = 2 NaN
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
Na2SO3 + HCl = NaCl + SO2 + H2O =>
Na2SO3 + 2 HCl = 2 NaCl + SO2 + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2S + HNO3 = H2S + NaNO3 =>
Na2S + 2 HNO3 = H2S + 2 NaNO3
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe(OH)3 + H = Fe + H2O =>
Fe(OH)3 + 3 H = Fe + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al(NO3)3 + Mg = Mg(NO3)2 + Al =>
2 Al(NO3)3 + 3 Mg = 3 Mg(NO3)2 + 2 Al
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
Na + O2 = NaO2 =>
Na + O2 = NaO2
Na + Br = NaBr =>
Na + Br = NaBr
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/05/12
Équations équilibrées sur09/04/11
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