| Équations équilibrées la veille | Équations équilibrées le lendemain |
As + Ba = AsBa
Fe + O = Fe3O4 =>
3 Fe + 4 O = Fe3O4
K + S = K2S =>
2 K + S = K2S
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CrO3 = Cr2O3 + O2 =>
4 CrO3 = 2 Cr2O3 + 3 O2
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Al(OH)3 + HF = AlF3 + H2O =>
Al(OH)3 + 3 HF = AlF3 + 3 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CO32{-} + NO3{-} + As2Se3 = AsO43{-} + SeO42{-} + NO2{-} + CO2 =>
5 CO32{-} + 62 NO3{-} + As2Se3 = 2 AsO43{-} + 3 SeO42{-} + 62 NO2{-} + 5 CO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CaO = Ca + O2 =>
2 CaO = 2 Ca + O2
FeCl3 = Fe + Cl2 =>
2 FeCl3 = 2 Fe + 3 Cl2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
CaO = Ca + O =>
CaO = Ca + O
H2 + CO = CH3OH =>
2 H2 + CO = CH3OH
CO3{-}2 + NO3{-} + As2Se3 = AsO43{-} + SeO4{-}2 + NO2{-} + CO2 =>
5 CO3{-}2 + 93 NO3{-} + As2Se3 = 2 AsO43{-} + 3 SeO4{-}2 + 93 NO2{-} + 5 CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
MoO3(g) + Zn(g) + H2SO4(l) = Mo2O3(g) + ZnSO4(aq) + H2O(l) =>
2 MoO3(g) + 3 Zn(g) + 3 H2SO4(l) = Mo2O3(g) + 3 ZnSO4(aq) + 3 H2O(l)
CO3{-}2 + NO3{-} + As2Se3 = AsO4{-}3 + SeO4{-}2 + NO2{-} + CO2 =>
5 CO3{-}2 + 15 NO3{-} + As2Se3 = 2 AsO4{-}3 + 3 SeO4{-}2 + 15 NO2{-} + 5 CO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
I2 + HNO3 = HIO3 + NO + H2O =>
3 I2 + 10 HNO3 = 6 HIO3 + 10 NO + 2 H2O
Al(OH)3 + HF = AlF3 + H2O =>
Al(OH)3 + 3 HF = AlF3 + 3 H2O
HNO3 + NH4Cl = HCl + NH4NO3 =>
HNO3 + NH4Cl = HCl + NH4NO3
KI + PbSO4 = K2SO4 + PbI2 =>
2 KI + PbSO4 = K2SO4 + PbI2
K(OH) + Cl2 = KClO3 + KCl + H20 =>
60 K(OH) + 30 Cl2 = 20 KClO3 + 40 KCl + 3 H20
CoCl2 + KOH = Co(OH)2 + KCl =>
CoCl2 + 2 KOH = Co(OH)2 + 2 KCl
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb + H2O + O2 = Pb(OH)2 =>
2 Pb + 2 H2O + O2 = 2 Pb(OH)2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaOH = Na + O2 + H2O =>
4 NaOH = 4 Na + O2 + 2 H2O
C + O2 = CO2 =>
C + O2 = CO2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HI + Ca = CaI2 + H2 =>
2 HI + Ca = CaI2 + H2
ZnO + NaOH + H2O = Na2[Zn(OH)4] =>
ZnO + 2 NaOH + H2O = Na2[Zn(OH)4]
NaF + H2O = HF + NaOH =>
NaF + H2O = HF + NaOH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/04/21
Équations équilibrées sur02/03/20
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