| Équations équilibrées la veille |
Ca + 2 H2SO3 = Ca(SO3)2 + 2 H2
KOH(aq) + Ni(NO3)2(aq) = Ni(OH)2(s) + KNO3(aq) =>
2 KOH(aq) + Ni(NO3)2(aq) = Ni(OH)2(s) + 2 KNO3(aq)
HI + Ca(OH)2 = H(HO)2 + CaI =>
HI + Ca(OH)2 = H(HO)2 + CaI
FeCl2(aq) + NH4CNS(aq) = Fe(CNS)2 + NH4Cl =>
FeCl2(aq) + 2 NH4CNS(aq) = Fe(CNS)2 + 2 NH4Cl
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
(NH4)2SO3 + SrCl2 = Cl(NH4) + SrSO3 =>
(NH4)2SO3 + SrCl2 = 2 Cl(NH4) + SrSO3
Cl{-} + CrO4{2-} + H{+} = Cl2 + Cr(OH)3 + H2O =>
6 Cl{-} + 2 CrO4{2-} + 10 H{+} = 3 Cl2 + 2 Cr(OH)3 + 2 H2O
Al{+3} + OH{-} = Al(OH)3 =>
Al{+3} + 3 OH{-} = Al(OH)3
Fe + HBr = FeBr3 + H2 =>
2 Fe + 6 HBr = 2 FeBr3 + 3 H2
NO{-} + H{+} = HNO =>
NO{-} + H{+} = HNO
K2MnO4 + Na2SO3 + HCl = KCl + MnCl2 + Na2SO4 + H2O =>
K2MnO4 + 2 Na2SO3 + 4 HCl = 2 KCl + MnCl2 + 2 Na2SO4 + 2 H2O
Pb(C2H3O2)2(aq) + KBr(aq) = PbBr2(s) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 KBr(aq) = PbBr2(s) + 2 KC2H3O2(aq)
HOH = H2O =>
HOH = H2O
Ag + PO = AgPO =>
Ag + PO = AgPO
HCl + H2O = H3O{+} + Cl{-} =>
HCl + H2O = H3O{+} + Cl{-}
Na2WO4 + H3PO4 = Na3PW12O40 + NaH2PO4 + H2O =>
12 Na2WO4 + 22 H3PO4 = Na3PW12O40 + 21 NaH2PO4 + 12 H2O
K3Po4 + CaCl2 = Ca3(Po4)2 + KCl =>
2 K3Po4 + 3 CaCl2 = Ca3(Po4)2 + 6 KCl
Fe(C5H5)2 + C4H6O3 = [Fe(C5H4COCH3)(C5H5)] + CH3COOH =>
Fe(C5H5)2 + C4H6O3 = [Fe(C5H4COCH3)(C5H5)] + CH3COOH
FeCl2 + H2S = FeS + Cl + H =>
FeCl2 + H2S = FeS + 2 Cl + 2 H
PdCl2 + NaOH = Pd(OH)2 + NaCl =>
PdCl2 + 2 NaOH = Pd(OH)2 + 2 NaCl
NaSCN + NaIO3 + NaCl + HCl = NaCN + Na2SO4 + NaICl2 + H2O =>
2 NaSCN + 3 NaIO3 + 4 NaCl + 2 HCl = 2 NaCN + 2 Na2SO4 + 3 NaICl2 + H2O
AgNO3 + AlCl3 = AgCl(s) + Al(NO3)3 =>
3 AgNO3 + AlCl3 = 3 AgCl(s) + Al(NO3)3
NH4Cl + C4H6O4Hg = NH4Hg + C4H6O4Cl =>
NH4Cl + C4H6O4Hg = NH4Hg + C4H6O4Cl
Pb(C2H3O2)2(aq) + KBr(aq) = PbBr2(s) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 KBr(aq) = PbBr2(s) + 2 KC2H3O2(aq)
HCl + NaCO3 = CO2 + H2O + NaCl2 =>
2 HCl + NaCO3 = CO2 + H2O + NaCl2
ZnSO4 + Na2S = ZnS + Na2SO4 =>
ZnSO4 + Na2S = ZnS + Na2SO4
H2SO4 + SrBr2 = H2Br2 + SrSO4 =>
H2SO4 + SrBr2 = H2Br2 + SrSO4
Na2SO4 + MgCl2 = MgSO4 + NaCl =>
Na2SO4 + MgCl2 = MgSO4 + 2 NaCl
Mg(OH)2 + Li2SO4 = MgSO4 + LiOH =>
Mg(OH)2 + Li2SO4 = MgSO4 + 2 LiOH
HCl + NaCl = NaHCl2 =>
HCl + NaCl = NaHCl2
C12H22O11 + H2SO4 = CO2 + SO2 + H2O =>
C12H22O11 + 24 H2SO4 = 12 CO2 + 24 SO2 + 35 H2O
K2O + Fe(OH)3 = Fe2O3 + KOH =>
3 K2O + 2 Fe(OH)3 = Fe2O3 + 6 KOH
MgO + CaCl2 = MgCl2 + CaO =>
MgO + CaCl2 = MgCl2 + CaO
Cl2 + O2 = Cl2O7 =>
2 Cl2 + 7 O2 = 2 Cl2O7
C2H5OH + KMnO4 = C2H4O + MnO2 + H2O + KOH =>
3 C2H5OH + 2 KMnO4 = 3 C2H4O + 2 MnO2 + 2 H2O + 2 KOH
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
AgNO3 + AlCl3 = AgCl + Al(NO3)3 =>
3 AgNO3 + AlCl3 = 3 AgCl + Al(NO3)3
Na + Cl = NaCl =>
Na + Cl = NaCl
NiS + NO3 + H = Ni(NO3)2 + H2S =>
NiS + 2 NO3 + 2 H = Ni(NO3)2 + H2S
LiCl + H3PO4 = LiH2PO4 + HCl =>
LiCl + H3PO4 = LiH2PO4 + HCl
(CH3)2N2H2 + N2O4 = N2 + H2O + CO2 =>
(CH3)2N2H2 + 2 N2O4 = 3 N2 + 4 H2O + 2 CO2
K2O + HNO3 = KNO3 + H2O =>
K2O + 2 HNO3 = 2 KNO3 + H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CH3CH2OH + HCOOH = HCO2CH2CH3 + H2O =>
CH3CH2OH + HCOOH = HCO2CH2CH3 + H2O
C2H5OH + KMnO4 = C2H4O + MnO2 + H2O + KOH =>
3 C2H5OH + 2 KMnO4 = 3 C2H4O + 2 MnO2 + 2 H2O + 2 KOH
Cr(NO3)3 + KOH = Cr(OH)3 + KNO3 =>
Cr(NO3)3 + 3 KOH = Cr(OH)3 + 3 KNO3
CH3COOH + Mg(OH)2 = Mg(CH3COO)2 + H2O =>
2 CH3COOH + Mg(OH)2 = Mg(CH3COO)2 + 2 H2O
HClO4 + NH3 = NH4ClO4 =>
HClO4 + NH3 = NH4ClO4
NH4NO3 + H2O = NH3 + O =>
NH4NO3 + H2O = 2 NH3 + 4 O
FeSO4*7H2O = FeSO4 + H2O =>
FeSO4*7H2O = FeSO4 + 7 H2O
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