| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 H2O + 2 Fe = Fe2O3 + 3 H2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
NO2 + O2 = NO5 =>
2 NO2 + 3 O2 = 2 NO5
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
C6H5CH2Br + KCN = C6H5CH2CN + KBr =>
C6H5CH2Br + KCN = C6H5CH2CN + KBr
S + O2 = SO2 =>
S + O2 = SO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
C11H13 + O2 = H2O + CO2 =>
4 C11H13 + 57 O2 = 26 H2O + 44 CO2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
Na + CaF2 = NaF + Ca =>
2 Na + CaF2 = 2 NaF + Ca
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
CH2CH2 + KMnO4 + KOH = CH3CH2COOH + K2MnO4 + H2O =>
3 CH2CH2 + 8 KMnO4 + 8 KOH = 2 CH3CH2COOH + 8 K2MnO4 + 4 H2O
C5H8 + KMnO4 + KOH = CH3CH2COOH + K2MnO4 + H2O =>
3 C5H8 + 14 KMnO4 + 14 KOH = 5 CH3CH2COOH + 14 K2MnO4 + 4 H2O
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
CH2CH2 + KMnO4 + KOH = CH3CH2COOH + K2MnO4 + H2O =>
3 CH2CH2 + 8 KMnO4 + 8 KOH = 2 CH3CH2COOH + 8 K2MnO4 + 4 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
CH3CH2CH2CH2CH2COOH + O2 = H2O + CO2 =>
CH3CH2CH2CH2CH2COOH + 8 O2 = 6 H2O + 6 CO2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
NO2 + O2 = NO5 =>
2 NO2 + 3 O2 = 2 NO5
C11H13 = C + H =>
C11H13 = 11 C + 13 H
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al + ZnSO4 = Al2(SO4)3 + Zn =>
2 Al + 3 ZnSO4 = Al2(SO4)3 + 3 Zn
FeCl3 + Fe = FeCl2 =>
2 FeCl3 + Fe = 3 FeCl2
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
FeS2 = FeS + S =>
FeS2 = FeS + S
| 1 2 3 |
| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/23/21
Équations équilibrées sur12/23/20
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