| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2CS + 5 O2 = 2 SO2 + 2 CO2 + 2 H2O
Bi5H9 + O2 = Bi2O3 + H2O =>
2 Bi5H9 + 12 O2 = 5 Bi2O3 + 9 H2O
KOH(aq) + Fe(NO3)3(aq) = Fe(OH)3 + KNO3 =>
3 KOH(aq) + Fe(NO3)3(aq) = Fe(OH)3 + 3 KNO3
Cu(NO3)2 + Na2S = NaNO3 + CuS =>
Cu(NO3)2 + Na2S = 2 NaNO3 + CuS
Na2CO3(aq) + FeCl2(aq) = FeCO3 + NaCl =>
Na2CO3(aq) + FeCl2(aq) = FeCO3 + 2 NaCl
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
NaCl + H = HCl + Na =>
NaCl + H = HCl + Na
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
NO2 + NaOH + O2 = NaNO3 + H2O =>
4 NO2 + 4 NaOH + O2 = 4 NaNO3 + 2 H2O
Na2S + KOH = NaOH + K2S =>
Na2S + 2 KOH = 2 NaOH + K2S
KClO3 + HCl = Cl2 + KCl + H2O =>
KClO3 + 6 HCl = 3 Cl2 + KCl + 3 H2O
Fe + HNO3 = Fe(NO3)3 + N2O + H2O =>
8 Fe + 30 HNO3 = 8 Fe(NO3)3 + 3 N2O + 15 H2O
Cr2O7 + H2O = Cr + OH =>
Cr2O7 + 7 H2O = 2 Cr + 14 OH
AgNO3(aq) + KCl(aq) = AgCl(s) + KNO3(aq) =>
AgNO3(aq) + KCl(aq) = AgCl(s) + KNO3(aq)
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
Ni(NO3)2 + Na2S = NaNO3 + Ni2S2 =>
2 Ni(NO3)2 + 2 Na2S = 4 NaNO3 + Ni2S2
Fe3O4 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe3O4 + 10 H2SO4 = 3 Fe2(SO4)3 + SO2 + 10 H2O
Ni(NO3)2 + Na2S = NaNO3 + NiS =>
Ni(NO3)2 + Na2S = 2 NaNO3 + NiS
CH3COH + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
5 CH3COH + 2 KMnO4 + 3 H2SO4 = 5 CH3COOH + K2SO4 + 2 MnSO4 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Fe3O4 + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe3O4 + 10 HNO3 = 3 Fe(NO3)3 + NO2 + 5 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H3PO4 + NH3 = (NH4)3(PO4) =>
H3PO4 + 3 NH3 = (NH4)3(PO4)
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
Fe(s) + HCl(aq) = HFeCl4(aq) + H2(g) =>
2 Fe(s) + 8 HCl(aq) = 2 HFeCl4(aq) + 3 H2(g)
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Ca(NO3)2 + NH4OH = Ca(OH)2 + NH4NO3 =>
Ca(NO3)2 + 2 NH4OH = Ca(OH)2 + 2 NH4NO3
PbO2 = Pb + O2 =>
PbO2 = Pb + O2
Ca(NO3)2 + NH4OH = Ca(OH)2 + N2O + H2O =>
Ca(NO3)2 + 2 NH4OH = Ca(OH)2 + 2 N2O + 4 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
Na2CO3 + CuCl2 = CuCO3 + NaCl =>
Na2CO3 + CuCl2 = CuCO3 + 2 NaCl
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
Cr2O7 + H = Cr + H2O =>
Cr2O7 + 14 H = 2 Cr + 7 H2O
C11H24 + O2 = CO2 + H2O =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
H2SO4(aq) + CaCO3(s) = CaSO4 + H2O + CO2(g) =>
H2SO4(aq) + CaCO3(s) = CaSO4 + H2O + CO2(g)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
C7H8(l) + O2(g) = H2O(l) + CO2(g) =>
C7H8(l) + 9 O2(g) = 4 H2O(l) + 7 CO2(g)
Al + HNO3 = Al(NO3)3 + NO2 + H2O =>
Al + 6 HNO3 = Al(NO3)3 + 3 NO2 + 3 H2O
C4H10 + O2 = CO2 + H20 =>
2 C4H10 + 8 O2 = 8 CO2 + H20
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Br2 + NaOH = NaBrO3 + NaBr + H202 =>
303 Br2 + 606 NaOH = 202 NaBrO3 + 404 NaBr + 3 H202
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HNO3 + HI = NO + I2 + H2O =>
2 HNO3 + 6 HI = 2 NO + 3 I2 + 4 H2O
Zn + S = ZnS =>
Zn + S = ZnS
CaS(aq) + CuCl2(aq) = CuS(s) + CaCl2(aq) =>
CaS(aq) + CuCl2(aq) = CuS(s) + CaCl2(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/04/13
Équations équilibrées sur11/03/12
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