| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
BaCl2 + K2SO4 = BaSO4 + KCl =>
BaCl2 + K2SO4 = BaSO4 + 2 KCl
CuS + HNO3 = Cu(NO3)2 + NO + S + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 3 S + 4 H2O
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
H2O + CO2 = C(OH)4 =>
2 H2O + CO2 = C(OH)4
FeS2 + O2 = Fe3O4 + SO2 =>
3 FeS2 + 8 O2 = Fe3O4 + 6 SO2
HCOOH + KMnO4 + H2SO4 = HOCOOH + K2SO4 + MnSO4 + H2O =>
5 HCOOH + 2 KMnO4 + 3 H2SO4 = 5 HOCOOH + K2SO4 + 2 MnSO4 + 3 H2O
Mg + O = MgO =>
Mg + O = MgO
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
HOCOOH = CO2 + H2O =>
HOCOOH = CO2 + H2O
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
HClO3 + H2S = H2SO4 + HCl =>
4 HClO3 + 3 H2S = 3 H2SO4 + 4 HCl
HCl + MnO2 = MnCl2 + H2O + Cl2 =>
4 HCl + MnO2 = MnCl2 + 2 H2O + Cl2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ba(NO3)2 + K2SO4 = KNO3 + BaSO4 =>
Ba(NO3)2 + K2SO4 = 2 KNO3 + BaSO4
Pb3O4 = PbO + O2 =>
2 Pb3O4 = 6 PbO + O2
NaOH + HAuCl4 = NaAuCl4 + H2O =>
NaOH + HAuCl4 = NaAuCl4 + H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CH3COONa + FeCl3 = (CH3COO)3Fe + NaCl =>
3 CH3COONa + FeCl3 = (CH3COO)3Fe + 3 NaCl
KMnO4 + FeSO4 + HSO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
2 KMnO4 + 26 FeSO4 + 16 HSO4 = K2SO4 + 2 MnSO4 + 13 Fe2(SO4)3 + 8 H2O
CH4 + O2 = H2O + CO2 =>
CH4 + 2 O2 = 2 H2O + CO2
Na3PO4 + AlBr3 = AlPO4 + NaBr =>
Na3PO4 + AlBr3 = AlPO4 + 3 NaBr
KMnO4 + FeSO4 + HSO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
2 KMnO4 + 26 FeSO4 + 16 HSO4 = K2SO4 + 2 MnSO4 + 13 Fe2(SO4)3 + 8 H2O
Mg + S = MgS =>
Mg + S = MgS
(CH3COO)3Fe + H2O = Fe(CH3COO)2(OH) + CH3COOH =>
(CH3COO)3Fe + H2O = Fe(CH3COO)2(OH) + CH3COOH
KMnO4 + FeSO4 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
2 KMnO4 + 10 FeSO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O
Fe + Al2O3 = Fe2O3 + Al =>
2 Fe + Al2O3 = Fe2O3 + 2 Al
Cl + KI = KCl + I =>
Cl + KI = KCl + I
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2Cr2O7 + HCl = NaCl + CrCl3 + H2O + Cl2 =>
Na2Cr2O7 + 14 HCl = 2 NaCl + 2 CrCl3 + 7 H2O + 3 Cl2
Cl2 + C2H5OH = CCl3CHO + HCl =>
4 Cl2 + C2H5OH = CCl3CHO + 5 HCl
C17H35COONa + H2SO4 = C17H35COOH + NaHSO4 =>
C17H35COONa + H2SO4 = C17H35COOH + NaHSO4
HXeO4 + H2O = Xe + OH =>
HXeO4 + 3 H2O = Xe + 7 OH
Al2O3 + C = CO + Al =>
Al2O3 + 3 C = 3 CO + 2 Al
C17H35COONa + H2O = C17H35COOH + NaOH =>
C17H35COONa + H2O = C17H35COOH + NaOH
Cr2O3 + NaCO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 4 NaCO3 + KNO3 = 2 Na2CrO4 + 4 CO2 + KNO2
PbO = Pb + O2 =>
2 PbO = 2 Pb + O2
S8 + Br = SBr4 =>
S8 + 32 Br = 8 SBr4
Mg + AgNO3 = Ag + Mg(NO3)2 =>
Mg + 2 AgNO3 = 2 Ag + Mg(NO3)2
Pb(NO3)2 + KCl = PbCl2 + KNO3 =>
Pb(NO3)2 + 2 KCl = PbCl2 + 2 KNO3
H2SO4 + Ba(NO3)2 = HNO3 + BaSO4 =>
H2SO4 + Ba(NO3)2 = 2 HNO3 + BaSO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
C17H35COONa + (CH3COO)2Pb = (C17H35COO)2Pb + CH3COONa =>
2 C17H35COONa + (CH3COO)2Pb = (C17H35COO)2Pb + 2 CH3COONa
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/08/13
Équations équilibrées sur04/07/12
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