| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 NaOH + 6 H2O + 2 Al = 2 Na3[Al(OH)6] + 3 H2
K2CrO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + O2 + H2O =>
4 K2CrO4 + 10 H2SO4 = 2 Cr2(SO4)3 + 4 K2SO4 + 3 O2 + 10 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ca2(CO3)2 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
Ca2(CO3)2 + 4 HNO3 = 2 Ca(NO3)2 + 2 H2O + 2 CO2
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
CaCO3 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2O + CO2
HC2H3O2 + NaCO3 = Na(HC2H3O2)2 + CO2 + H2O =>
9 HC2H3O2 + 4 NaCO3 = 4 Na(HC2H3O2)2 + 6 CO2 + 2 H2O
[Al(OH)3] + H3O = Al + H2O =>
[Al(OH)3] + 3 H3O = Al + 6 H2O
Fe + HNO3 = Fe(NO3)2 + H2 =>
Fe + 2 HNO3 = Fe(NO3)2 + H2
MoS2 + O2 = MoO3 + SO2 =>
2 MoS2 + 7 O2 = 2 MoO3 + 4 SO2
Al + H3O = [Al(OH)3] + H2 =>
Al + 3 H3O = [Al(OH)3] + 3 H2
ZN + HNO3 = H2O + ZN(NO3)2 + N2O =>
4 ZN + 10 HNO3 = 5 H2O + 4 ZN(NO3)2 + N2O
Fe + HNO3 = Fe(NO3)2 + H2 =>
Fe + 2 HNO3 = Fe(NO3)2 + H2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Bi(OH)3 + Br2 + KOH = KBiO3 + KBr + H2O =>
Bi(OH)3 + Br2 + 3 KOH = KBiO3 + 2 KBr + 3 H2O
K2CrO4 + H2O2 = K2CrO8 + H2O =>
K2CrO4 + 4 H2O2 = K2CrO8 + 4 H2O
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
KNO3 = K2O + NO2 + O2 =>
4 KNO3 = 2 K2O + 4 NO2 + O2
As2S5 + HNO3 = H3AsO4 + HHSO4 + H2O + NO2 =>
As2S5 + 40 HNO3 = 2 H3AsO4 + 5 HHSO4 + 12 H2O + 40 NO2
KOH + Al2(SO4)3 = K2SO4 + Al(OH)3 =>
6 KOH + Al2(SO4)3 = 3 K2SO4 + 2 Al(OH)3
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
S2O8{-}2 + I{-} = SO4{-}2 + I2 =>
2 S2O8{-}2 + 2 I{-} = 4 SO4{-}2 + I2
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
N + HCl = NCl2 + H2 =>
N + 2 HCl = NCl2 + H2
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
H2NSO3H + NaOH = H2NSO3Na + H2O =>
H2NSO3H + NaOH = H2NSO3Na + H2O
NH4 + NO = N2 + H2O =>
2 NH4 + 4 NO = 3 N2 + 4 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Na2B4O7*10H2O + NaOH = NaBO2 + H2O =>
Na2B4O7*10H2O + 2 NaOH = 4 NaBO2 + 11 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Si + S8 = SiS4 =>
2 Si + S8 = 2 SiS4
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/04/12
Équations équilibrées sur11/03/11
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