| Équations équilibrées la veille | Équations équilibrées le lendemain |
28 HNO3 + As2S3 = 2 H3AsO4 + 3 H2SO4 + 28 NO2 + 8 H2O
Co2O3 + HCl = CoCl + O2 + H2O =>
Co2O3 + 2 HCl = 2 CoCl + O2 + H2O
KJ + KJO3 + H2SO4 = J2 + K2SO4 + H2O =>
5 KJ + KJO3 + 3 H2SO4 = 3 J2 + 3 K2SO4 + 3 H2O
NH4NO3 + NaOH = NH3 + NaNO3 + H2O =>
NH4NO3 + NaOH = NH3 + NaNO3 + H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
S + NA2SO3 = NA2S2O3 =>
S + NA2SO3 = NA2S2O3
CrCl3 + Br2 + KOH = K2CrO4 + KBr + KCl + H2O =>
2 CrCl3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 6 KCl + 8 H2O
S + Na2SO3 = Na2S2O3 =>
S + Na2SO3 = Na2S2O3
NaClO3 + HCl = NaOH + Cl2 + O2 =>
NaClO3 + HCl = NaOH + Cl2 + O2
FeCl3 + H2S = S + HCl + FeCl2 =>
2 FeCl3 + H2S = S + 2 HCl + 2 FeCl2
Co(OH)2 + NaClO + H2O = Co(OH)3 + NaCl =>
2 Co(OH)2 + NaClO + H2O = 2 Co(OH)3 + NaCl
AgNO3 + KL = AgL + KNO3 =>
AgNO3 + KL = AgL + KNO3
Al2O3 + NaOH + H2O = Na3Al(OH)6 =>
Al2O3 + 6 NaOH + 3 H2O = 2 Na3Al(OH)6
AgNO3 + KL = AgL + KNO3 =>
AgNO3 + KL = AgL + KNO3
Ni(OH)2 + Br2 + KOH = Ni(OH)3 + KBr =>
2 Ni(OH)2 + Br2 + 2 KOH = 2 Ni(OH)3 + 2 KBr
AuCl3 + SnCl2 + H2O = Au(OH)3 + H2SnCl4 =>
2 AuCl3 + 3 SnCl2 + 6 H2O = 2 Au(OH)3 + 3 H2SnCl4
MnO4{-} + S2O3{-2} + H{+} = MnO2 + SO4{-2} + OH{-} =>
8 MnO4{-} + 3 S2O3{-2} + H{+} = 8 MnO2 + 6 SO4{-2} + OH{-}
CU + FECL3 = CUCL3 + FE =>
CU + FECL3 = CUCL3 + FE
(NH4)2SO4 + NaOH = Na2SO4 + H2O + NH3 =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 H2O + 2 NH3
KMnO4 + KOH = K2MnO4 + O2 + H2O =>
4 KMnO4 + 4 KOH = 4 K2MnO4 + O2 + 2 H2O
AuCl3 + SnCl2 = AuCl + SnCl4 =>
AuCl3 + SnCl2 = AuCl + SnCl4
KIO3 + HCl + KI = I2 + KCl + H2O =>
KIO3 + 6 HCl + 5 KI = 3 I2 + 6 KCl + 3 H2O
Ni(OH)3 + HCl = NiCl2 + Cl2 + H2O =>
2 Ni(OH)3 + 6 HCl = 2 NiCl2 + Cl2 + 6 H2O
H2S + O2 = H2SO4 =>
H2S + 2 O2 = H2SO4
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cd(OH)2 + NaCl = [CdCl4] + NaOH + Na =>
Cd(OH)2 + 4 NaCl = [CdCl4] + 2 NaOH + 2 Na
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
KClO4 = KCl + O2 =>
KClO4 = KCl + 2 O2
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
S8 + AsF5 = S16(AsF6)2 + AsF3 =>
2 S8 + 3 AsF5 = S16(AsF6)2 + AsF3
CoCl2 + KCN + H2O = K3(Co(CN)6) + KCl + KOH + H2 =>
2 CoCl2 + 12 KCN + 2 H2O = 2 K3(Co(CN)6) + 4 KCl + 2 KOH + H2
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 7 H2O
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
Ba(OH)2 + H2So4 = BaSo4 + H2O =>
Ba(OH)2 + H2So4 = BaSo4 + 2 H2O
Fe2O3 + H2SO4 = Fe(OH)SO4 + H2O =>
Fe2O3 + 2 H2SO4 = 2 Fe(OH)SO4 + H2O
Cu3(PO4)2 = Cu + P + O =>
Cu3(PO4)2 = 3 Cu + 2 P + 8 O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
Al(OH)3 + H2SO4 = H2O + Al2(SO4)3 =>
2 Al(OH)3 + 3 H2SO4 = 6 H2O + Al2(SO4)3
HCl = H + Cl =>
HCl = H + Cl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
KI + H2SO4 + H2O2 = K2SO4 + I2 + H2O =>
2 KI + H2SO4 + H2O2 = K2SO4 + I2 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
As2O3 + I2 + H2O = H2AsO4 + H{+} + I{-} =>
As2O3 + 3 I2 + 5 H2O = 2 H2AsO4 + 6 H{+} + 6 I{-}
NH3 + I2 = NH4I + NH3NI3 =>
5 NH3 + 3 I2 = 3 NH4I + NH3NI3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/15/14
Équations équilibrées sur04/14/13
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