| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 FeO + C = 2 Fe + CO2
KBiO3 + NaOH = NaBiO3 + KOH =>
KBiO3 + NaOH = NaBiO3 + KOH
K2Cr2O7 + H2SO4 + KI = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KI = 3 I2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]
Al3 + Cu(SO4) = Al2(SO4) + Cu2 =>
4 Al3 + 6 Cu(SO4) = 6 Al2(SO4) + 3 Cu2
KBiO3 + NaOH = NaBiO3 + KOH =>
KBiO3 + NaOH = NaBiO3 + KOH
KH(C8H4O4) + NaOH = NaK(C8H4O4) + H2O =>
KH(C8H4O4) + NaOH = NaK(C8H4O4) + H2O
Al3 + Cu(SO4) = Al2(SO4)3 + Cu2 =>
4 Al3 + 18 Cu(SO4) = 6 Al2(SO4)3 + 9 Cu2
Na3[Cr(OH)6] + H2O2 = Na2CrO4 + H2O + NaOH =>
2 Na3[Cr(OH)6] + 3 H2O2 = 2 Na2CrO4 + 8 H2O + 2 NaOH
MnO2 + KOH + O2 = KMnO4 + H2O =>
4 MnO2 + 4 KOH + 3 O2 = 4 KMnO4 + 2 H2O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
Bi(OH)3 + K2S2O8 = H2SO4 + KBiO3 + H =>
2 Bi(OH)3 + K2S2O8 = 2 H2SO4 + 2 KBiO3 + 2 H
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
HNO3 + NaOH = H2O + NaNO3 =>
HNO3 + NaOH = H2O + NaNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2CO3 + NaHO = H2O + Na2CO3 =>
H2CO3 + 2 NaHO = 2 H2O + Na2CO3
H2CO3 + NaOH = H2O + Na2CO3 =>
H2CO3 + 2 NaOH = 2 H2O + Na2CO3
Bi(OH)3 + K2S2O8 = H2SO4 + KBiO3 + H =>
2 Bi(OH)3 + K2S2O8 = 2 H2SO4 + 2 KBiO3 + 2 H
Pb + HCl = PbCl2 + H =>
Pb + 2 HCl = PbCl2 + 2 H
Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2
HIO3 + KOH = H2O + KIO3 =>
HIO3 + KOH = H2O + KIO3
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Fe + CaCl2 = Fe(Cl2) + Ca =>
Fe + CaCl2 = Fe(Cl2) + Ca
Cl2 + NaBr = Cl2Br + Na =>
Cl2 + NaBr = Cl2Br + Na
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Fe + Cl = FeCl =>
Fe + Cl = FeCl
Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3
Ni2S + H2SO4 = NiSO4 + SO2 + H2O =>
Ni2S + 6 H2SO4 = 2 NiSO4 + 5 SO2 + 6 H2O
Fe3O4 + Al = Al2O3 + Fe =>
3 Fe3O4 + 8 Al = 4 Al2O3 + 9 Fe
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe2(C2O4)3 = FeC2O4 + CO2 =>
Fe2(C2O4)3 = 2 FeC2O4 + 2 CO2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
(HN4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + HN4NO3 =>
4(HN4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 HN4NO3
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
FeSO4 + KCN = K4[Fe(CN)6] + K2SO4 =>
FeSO4 + 6 KCN = K4[Fe(CN)6] + K2SO4
Pb + HCl = PbCl2 + H =>
Pb + 2 HCl = PbCl2 + 2 H
Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2
FeCl3 + Na2CO3 + H2O = Fe(OH)3 + CO2 + NaCl =>
2 FeCl3 + 3 Na2CO3 + 3 H2O = 2 Fe(OH)3 + 3 CO2 + 6 NaCl
CrOHSO4 + NaOH = Cr(OH)3 + Na2SO4 =>
CrOHSO4 + 2 NaOH = Cr(OH)3 + Na2SO4
H[CuCl2] = CuCl + HCl =>
H[CuCl2] = CuCl + HCl
CuCl + KCN = K[Cu(CN)2] + KCl =>
CuCl + 2 KCN = K[Cu(CN)2] + KCl
AgCl + Na2S2O3 = Na3[Ag(S2O3)2] + NaCl =>
AgCl + 2 Na2S2O3 = Na3[Ag(S2O3)2] + NaCl
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
PbCl4 + NaOH = Pb(OH)4 + NaCl =>
PbCl4 + 4 NaOH = Pb(OH)4 + 4 NaCl
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/02/10
Équations équilibrées sur01/01/10
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