| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
P4O10 + HClO4 = Cl2O7 + H3PO4 =>
P4O10 + 12 HClO4 = 6 Cl2O7 + 4 H3PO4
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NaHCO3 + HCl = H2O + CO2 + NaCl =>
NaHCO3 + HCl = H2O + CO2 + NaCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CaCO3 + HCl = H2O + CaCl2 + CO2 =>
CaCO3 + 2 HCl = H2O + CaCl2 + CO2
Mg(OH)2 + HCl = H2O + MgCl2 =>
Mg(OH)2 + 2 HCl = 2 H2O + MgCl2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na + O = Na2O =>
2 Na + O = Na2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
NaBiO3 + FeS + H2SO4 = Fe2(SO4)3 + Na2SO4 + Bi2(SO4)3 + H2O =>
18 NaBiO3 + 4 FeS + 38 H2SO4 = 2 Fe2(SO4)3 + 9 Na2SO4 + 9 Bi2(SO4)3 + 38 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Al + HNO3 = AlNO3 + H2 =>
2 Al + 2 HNO3 = 2 AlNO3 + H2
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
S2Cl2 + NH3 = S4N4 + S8 + NH4Cl =>
6 S2Cl2 + 16 NH3 = S4N4 + S8 + 12 NH4Cl
CaCl2 + NaOH = NaCl + Ca(OH)2 =>
CaCl2 + 2 NaOH = 2 NaCl + Ca(OH)2
KI + Co(NO3)2 = K(NO3) + CoI2 =>
2 KI + Co(NO3)2 = 2 K(NO3) + CoI2
Na2CO3 + HC2H3O2 = CO2 + H2O + NaC2H3O2 =>
Na2CO3 + 2 HC2H3O2 = CO2 + H2O + 2 NaC2H3O2
Na2CO3 + HC2H3O2 = CO2 + H2O + NaHC2H3O2 =>
4 Na2CO3 + 9 HC2H3O2 = 6 CO2 + 2 H2O + 8 NaHC2H3O2
Al(ClO3)3 = O2 + Al + Cl =>
2 Al(ClO3)3 = 9 O2 + 2 Al + 6 Cl
Al(ClO3)3 = O2 + Al + Cl2 =>
2 Al(ClO3)3 = 9 O2 + 2 Al + 3 Cl2
Na2S + Cd(NO3)2 = Na(NO3) + CdS =>
Na2S + Cd(NO3)2 = 2 Na(NO3) + CdS
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
K + N2 = K3N =>
6 K + N2 = 2 K3N
KHCO3 = K2CO3 + CO2 + H2O =>
2 KHCO3 = K2CO3 + CO2 + H2O
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
Co + O2 = CoO3 =>
2 Co + 3 O2 = 2 CoO3
Co + O2 = Co2O3 =>
4 Co + 3 O2 = 2 Co2O3
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/11/10
Équations équilibrées sur03/13/09
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