| Équations équilibrées la veille | Équations équilibrées le lendemain |
BaCl2 + H2SO4 = BaSO4 + 2 HCl
HClO3 + Al(OH)3 = Al(ClO4) + H2O =>
HClO3 + Al(OH)3 = Al(ClO4) + 2 H2O
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
MnO4{-} + I{-} + H2O = MnO2 + I2 + OH{-} =>
2 MnO4{-} + 6 I{-} + 4 H2O = 2 MnO2 + 3 I2 + 8 OH{-}
NaCrO2 + Br2 + NaOH = NaCrO4 + NaBr + H2O =>
NaCrO2 + 2 Br2 + 4 NaOH = NaCrO4 + 4 NaBr + 2 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
NaCrO2 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 NaCrO2 + 3 Br2 + 8 NaOH = 2 Na2CrO4 + 6 NaBr + 4 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Zn + KOH = K2ZnO2 + H2 =>
Zn + 2 KOH = K2ZnO2 + H2
KBrO + MnCl2 + KOH = KBr + MnO2 + KCl + H2O =>
KBrO + MnCl2 + 2 KOH = KBr + MnO2 + 2 KCl + H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
PbCO3(s) = PbO(s) + CO2(g) =>
PbCO3(s) = PbO(s) + CO2(g)
ClO4{-} + Fe + H{+} = Fe{3+} + Cl2 + H2O =>
6 ClO4{-} + 14 Fe + 48 H{+} = 14 Fe{3+} + 3 Cl2 + 24 H2O
P + HClO3 + H2O = H3PO4 + HCl =>
6 P + 5 HClO3 + 9 H2O = 6 H3PO4 + 5 HCl
PbCO3(s) = PbO(s) + CO2(g) =>
PbCO3(s) = PbO(s) + CO2(g)
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
PbO + NH3 = Pb + H2O + N2 =>
3 PbO + 2 NH3 = 3 Pb + 3 H2O + N2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
HCl + KClO3 = KCl + H2O + Cl2 =>
6 HCl + KClO3 = KCl + 3 H2O + 3 Cl2
CH3COONa + H2SO4 = CH3COOH + Na2SO4 =>
2 CH3COONa + H2SO4 = 2 CH3COOH + Na2SO4
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
C7H8O2(l) + O2(g) = CO2(g) + H2O(g) =>
C7H8O2(l) + 8 O2(g) = 7 CO2(g) + 4 H2O(g)
Pb(NO3)2 + NaCl = NaNO3 + PbCl2 =>
Pb(NO3)2 + 2 NaCl = 2 NaNO3 + PbCl2
FeS + HNO3 = Fe(NO3)2 + S + NO + H2O =>
3 FeS + 8 HNO3 = 3 Fe(NO3)2 + 3 S + 2 NO + 4 H2O
Pb(NO3)2 = NO2 + O2 + PbO =>
2 Pb(NO3)2 = 4 NO2 + O2 + 2 PbO
Li + H2CO3 = LiCO3 + H2 =>
Li + H2CO3 = LiCO3 + H2
Pb3O4 = PbO + O2 =>
2 Pb3O4 = 6 PbO + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
Fe + HNO3 = Fe(NO3)3 + NH4NO3 + H2O =>
8 Fe + 30 HNO3 = 8 Fe(NO3)3 + 3 NH4NO3 + 9 H2O
MG + HCl = MGCl2 + H2 =>
MG + 2 HCl = MGCl2 + H2
HNO3 + Cu = Cu(NO3)2 + NO + H2O =>
8 HNO3 + 3 Cu = 3 Cu(NO3)2 + 2 NO + 4 H2O
C8H16O + Cr2O7{2-} + H{+} = C8H14O + Cr{3+} + H2O =>
3 C8H16O + Cr2O7{2-} + 8 H{+} = 3 C8H14O + 2 Cr{3+} + 7 H2O
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
HClO3(aq) + Al(OH)3 = Al(ClO4) + H2O =>
HClO3(aq) + Al(OH)3 = Al(ClO4) + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
HClO3(aq) + Al(OH)3 = Al(ClO3)3 + H2O =>
3 HClO3(aq) + Al(OH)3 = Al(ClO3)3 + 3 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
FeCl3 + NH3 + H2O = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4Cl
L2 + HNO3 = HLO3 + NO + H2O =>
3 L2 + 10 HNO3 = 6 HLO3 + 10 NO + 2 H2O
ZN + H2SO4 = ZNSO4 + H2 =>
ZN + H2SO4 = ZNSO4 + H2
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
NaCl + MnO2 + H2SO4 = NaHSO4 + MnSO4 + H2O + Cl =>
2 NaCl + MnO2 + 3 H2SO4 = 2 NaHSO4 + MnSO4 + 2 H2O + 2 Cl
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Na2SiF6 + Na = Si + NaF =>
Na2SiF6 + 4 Na = Si + 6 NaF
Cu + HNO3 = Cu(NO3)2 + N2O + H2O =>
4 Cu + 10 HNO3 = 4 Cu(NO3)2 + N2O + 5 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/04/16
Équations équilibrées sur06/03/15
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