| Équations équilibrées la veille | Équations équilibrées le lendemain |
Sr(OH)2 + 2 HBr = 2 H2O + SrBr2
NH2CONH2 + CH3OH = CH3OCONH2 + NH3 =>
NH2CONH2 + CH3OH = CH3OCONH2 + NH3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C3H6O(l) + O2(g) = CO2(g) + H2O(g) =>
C3H6O(l) + 4 O2(g) = 3 CO2(g) + 3 H2O(g)
Cu(s) + O2(g) = CuO(s) =>
2 Cu(s) + O2(g) = 2 CuO(s)
SO3 + KOH = K2SO4 + H2O =>
SO3 + 2 KOH = K2SO4 + H2O
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
K2CO3 + HNO3 = KNO3 + H2O + CO2 =>
K2CO3 + 2 HNO3 = 2 KNO3 + H2O + CO2
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Al(s) + HBr(aq) = H2(g) + AlBr3(aq) =>
2 Al(s) + 6 HBr(aq) = 3 H2(g) + 2 AlBr3(aq)
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
NaHCO3(s) + HC2H3O2(aq) = C2H3O2Na(aq) + H2CO3(aq) =>
NaHCO3(s) + HC2H3O2(aq) = C2H3O2Na(aq) + H2CO3(aq)
KL + Cl2 = KCl + L2 =>
2 KL + Cl2 = 2 KCl + L2
Na2S2O3 + KIO3 + HCl = Na2SO4 + K2SO4 + ICl + H2O =>
Na2S2O3 + 2 KIO3 + 2 HCl = Na2SO4 + K2SO4 + 2 ICl + H2O
KClO3(aq) = KCl(aq) + O2(g) =>
2 KClO3(aq) = 2 KCl(aq) + 3 O2(g)
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
Fe3O4 + H2SO4(ia) + Na2S2O8(ia) = Fe2(SO4)3(ia) + Na2SO4(ia) + H2O =>
2 Fe3O4 + 8 H2SO4(ia) + Na2S2O8(ia) = 3 Fe2(SO4)3(ia) + Na2SO4(ia) + 8 H2O
H2(g) + Cl2(g) = HCl(aq) =>
H2(g) + Cl2(g) = 2 HCl(aq)
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
H2S + H2O = H2 + SO2 =>
H2S + 2 H2O = 3 H2 + SO2
CaCl2(aq) + K3PO4(aq) = Ca3(PO4)2 + KCl(aq) =>
3 CaCl2(aq) + 2 K3PO4(aq) = Ca3(PO4)2 + 6 KCl(aq)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Zn + H2CO3 = ZnCO3 + H2 =>
Zn + H2CO3 = ZnCO3 + H2
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
KHCO3(s) = K2CO3(s) + H2O(g) + CO2(g) =>
2 KHCO3(s) = K2CO3(s) + H2O(g) + CO2(g)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(l)
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
C2H5OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C2H5OH + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe2O3(s) = Fe(s) + O2(g) =>
2 Fe2O3(s) = 4 Fe(s) + 3 O2(g)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
Zn + HNO3 = Zn(NO3)2 + H2 =>
Zn + 2 HNO3 = Zn(NO3)2 + H2
CH3CH(NH2)COOH + NaOH = CH3CH(NH2)COONa + H2O =>
CH3CH(NH2)COOH + NaOH = CH3CH(NH2)COONa + H2O
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
H2CO3(aq) = H2O(l) + CO2(g) =>
H2CO3(aq) = H2O(l) + CO2(g)
Al(OH)3(aq) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(l) =>
2 Al(OH)3(aq) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 6 H2O(l)
H2O2(l) = H2O(l) + O2(g) =>
2 H2O2(l) = 2 H2O(l) + O2(g)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur06/07/21
Équations équilibrées sur07/07/20
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