| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na + Br2 = 2 NaBr
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Mn(CH3COCHCOCH3)2 + CH3COCH2COCH3 + MnO4 = Mn(CH3COCHCOCH3)3 + H2O =>
5 Mn(CH3COCHCOCH3)2 + 8 CH3COCH2COCH3 + MnO4 = 6 Mn(CH3COCHCOCH3)3 + 4 H2O
Hg2{2+} + Cl{-} = Hg2Cl2 =>
Hg2{2+} + 2 Cl{-} = Hg2Cl2
FeSO4 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeSO4 + 2 H2SO4 = Fe2(SO4)3 + 2 H2O + SO2
C10H14O + O2 = CO2 + H2O =>
C10H14O + 13 O2 = 10 CO2 + 7 H2O
PBCO3(s) = PBO(s) + CO2(g) =>
PBCO3(s) = PBO(s) + CO2(g)
ClO3{-} + H2O + I2 = IO3{-} + Cl{-} + H{+} =>
5 ClO3{-} + 3 H2O + 3 I2 = 6 IO3{-} + 5 Cl{-} + 6 H{+}
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
PbO + SO2 = PbSO3 =>
PbO + SO2 = PbSO3
Al(NO3)3 + Na2CO3 = Al2(CO3)3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaNO3
Na + PO4 = Na3PO4 =>
3 Na + PO4 = Na3PO4
CH3COOH + H2O = H3O + C2O2 =>
CH3COOH + 4 H2O = 4 H3O + C2O2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Pb(NO3)2 + Na3PO4 = Pb3(PO4)2 + NaNO3 =>
3 Pb(NO3)2 + 2 Na3PO4 = Pb3(PO4)2 + 6 NaNO3
Zn + MgSO4 = ZnSO4 + Mg =>
Zn + MgSO4 = ZnSO4 + Mg
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + Cu(NO3)2 = Al(NO3)3 + Cu =>
2 Al + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
FeCl3 + H2O = Fe(OH)3 + HCl =>
FeCl3 + 3 H2O = Fe(OH)3 + 3 HCl
H2 + Cl2 = HCl2 =>
H2 + 2 Cl2 = 2 HCl2
K + S = K2S =>
2 K + S = K2S
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
NaBr = Na + Br2 =>
2 NaBr = 2 Na + Br2
Ai + O2 = Ai2O3 =>
4 Ai + 3 O2 = 2 Ai2O3
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Na(s) + FeCl3 = Fe(s) + NaCl =>
3 Na(s) + FeCl3 = Fe(s) + 3 NaCl
Fe + ZnSO4 = FeSO4 + Zn =>
Fe + ZnSO4 = FeSO4 + Zn
Pb + CuSO4 = PbSO4 + Cu =>
Pb + CuSO4 = PbSO4 + Cu
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
AgCl + NH3 = Ag(NH3)2{+} + Cl{-} =>
AgCl + 2 NH3 = Ag(NH3)2{+} + Cl{-}
Cl2COH12O6 = Cl2CO + H2O =>
Cl2COH12O6 = Cl2CO + 6 H2O
Ca2SiO4 + AlPO4 = Ca3(PO4)2 + Al4(SiO4)3 =>
3 Ca2SiO4 + 4 AlPO4 = 2 Ca3(PO4)2 + Al4(SiO4)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Fe + MgSO4 = FeSO4 + Mg =>
Fe + MgSO4 = FeSO4 + Mg
CaBr2 + Pb(NO3)2 = Ca(NO3)2 + PbBr2 =>
CaBr2 + Pb(NO3)2 = Ca(NO3)2 + PbBr2
CaS + HCl = CaCl2 + H2S =>
CaS + 2 HCl = CaCl2 + H2S
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/09/21
Équations équilibrées sur05/09/20
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