| Équations équilibrées la veille |
Fe(CNS)3 + 3 NaF = 3 NaCNS + FeF3
Pb(NO3)4 + KI = PbI4 + NO3K =>
Pb(NO3)4 + 4 KI = PbI4 + 4 NO3K
C + H2 = CH4 =>
C + 2 H2 = CH4
S(s) + O{2}(g) = SO{2}(g) =>
S(s) + O{2}(g) = SO{2}(g)
Ca(OH)2(s) + NaCl(aq) = CaCl2(aq) + NaOH =>
Ca(OH)2(s) + 2 NaCl(aq) = CaCl2(aq) + 2 NaOH
KOH(aq) + Cl(aq) = KCl(aq) + (OH)2 =>
2 KOH(aq) + 2 Cl(aq) = 2 KCl(aq) + (OH)2
NH4Br + Pb(OH)2 = NH3 + H2O + PbBr2 =>
2 NH4Br + Pb(OH)2 = 2 NH3 + 2 H2O + PbBr2
HNO3 + S8 = SO2 + NO + H2O =>
32 HNO3 + 3 S8 = 24 SO2 + 32 NO + 16 H2O
Cu + Zn(NO3)2 = Cu(NO3)2 + Zn =>
Cu + Zn(NO3)2 = Cu(NO3)2 + Zn
Al + CuCl2H2O = Cu + AlCl3 + H2O =>
2 Al + 3 CuCl2H2O = 3 Cu + 2 AlCl3 + 3 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HNO3 + AgSO4 = AgNO3 + HSO4 =>
HNO3 + AgSO4 = AgNO3 + HSO4
K2PtCl4 + NaBH4 + H2O = Pt + H3BO4 + H2 + NaCl + K =>
K2PtCl4 + 4 NaBH4 + 16 H2O = Pt + 4 H3BO4 + 18 H2 + 4 NaCl + 2 K
NO2 + O2 = NO23 =>
2 NO2 + 21 O2 = 2 NO23
Hg + C2H3O2 + Na2SO4 = HgSO4 + NaC2H3O2 =>
Hg + 2 C2H3O2 + Na2SO4 = HgSO4 + 2 NaC2H3O2
HF + O2 = FO2 + H2O =>
4 HF + 5 O2 = 4 FO2 + 2 H2O
C6H6O + Br2 = C6H3Br3O + HBr =>
C6H6O + 3 Br2 = C6H3Br3O + 3 HBr
Li3N + H2O = NH3 + Li2O =>
2 Li3N + 3 H2O = 2 NH3 + 3 Li2O
Cu(NO3)2(aq) + NaI(aq) = CuI2 + Na(NO3)(aq) =>
Cu(NO3)2(aq) + 2 NaI(aq) = CuI2 + 2 Na(NO3)(aq)
FeS2(s) + O2(g) = Fe2O3(s) + SO2(g) =>
4 FeS2(s) + 11 O2(g) = 2 Fe2O3(s) + 8 SO2(g)
FeBr2H2O = Fe(OH)BrHBr =>
FeBr2H2O = Fe(OH)BrHBr
CH3OH + H3PO4 = H2O + CH5O4P =>
CH3OH + H3PO4 = H2O + CH5O4P
KAlSi3O8 + H2O = Al(OH)3 + K{+} + H4SiO4 + (OH){-} =>
KAlSi3O8 + 8 H2O = Al(OH)3 + K{+} + 3 H4SiO4 + (OH){-}
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2C2O4 + Fe(NO3)3 = KNO3 + Fe2(C2O4)3 =>
3 K2C2O4 + 2 Fe(NO3)3 = 6 KNO3 + Fe2(C2O4)3
Pb(NO{3}){2} + CaCI{2} = PbCI{2} + Ca(NO{3}){2} =>
Pb(NO{3}){2} + CaCI{2} = PbCI{2} + Ca(NO{3}){2}
Al2(SO4)3 + Sr(NO3)2 = Al(NO3)3 + SrSO4 =>
Al2(SO4)3 + 3 Sr(NO3)2 = 2 Al(NO3)3 + 3 SrSO4
HClO + KI + HCl = KCl + I2 + H2O =>
HClO + 2 KI + HCl = 2 KCl + I2 + H2O
Na + H3O = NaO4H5 + H2 =>
2 Na + 8 H3O = 2 NaO4H5 + 7 H2
C3H6O + MnO4{-} + H3O{+} = C2H4O + Mn{2+} + H2O =>
10 C3H6O + 2 MnO4{-} + 6 H3O{+} = 15 C2H4O + 2 Mn{2+} + 9 H2O
W3O4 + C = W + CO2 =>
W3O4 + 2 C = 3 W + 2 CO2
NH3 + H3PO4 = (NH4)(H2PO4) =>
NH3 + H3PO4 = (NH4)(H2PO4)
HNO2 + HNO3 = N2O4 + H2O =>
HNO2 + HNO3 = N2O4 + H2O
C6H15NO3 + HCl = C4H11NO2 + ClCH2CH2OH =>
C6H15NO3 + HCl = C4H11NO2 + ClCH2CH2OH
K2O + HNO2 = K2HNO3 =>
K2O + HNO2 = K2HNO3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C21H26O8 + H2O = CH4 + CO2 =>
4 C21H26O8 + 42 H2O = 47 CH4 + 37 CO2
HCl(aq) + ZnCO3(k) = ZnCl2(aq) + CO2(d) + H2O(s) =>
2 HCl(aq) + ZnCO3(k) = ZnCl2(aq) + CO2(d) + H2O(s)
Pb(CN)4 + K3PO4 = Pb3(PO4)4 + KCN =>
3 Pb(CN)4 + 4 K3PO4 = Pb3(PO4)4 + 12 KCN
Mg(ClO3)2 + Na2S = Mg2S2 + NaClO3 =>
2 Mg(ClO3)2 + 2 Na2S = Mg2S2 + 4 NaClO3
C12H8 + Cl2 = C12H8Cl2 =>
C12H8 + Cl2 = C12H8Cl2
CaS(s) + HNO3(aq) = Ca(NO3)2 + H2S =>
CaS(s) + 2 HNO3(aq) = Ca(NO3)2 + H2S
Bi(NO3)3 + NaSnO2 + NaOH = Bi + Na2SnO3 + NaNO3 + H2O =>
Bi(NO3)3 + 3 NaSnO2 + 6 NaOH = Bi + 3 Na2SnO3 + 3 NaNO3 + 3 H2O
C10H18N4O2 + O2 = NO2 + H2O + CO2 =>
2 C10H18N4O2 + 35 O2 = 8 NO2 + 18 H2O + 20 CO2
Cs + Sc3O = Sc + CsO =>
Cs + Sc3O = 3 Sc + CsO
BaCl2(aq) + MgSO4(aq) = BaSO4(s) + MgCl2(aq) =>
BaCl2(aq) + MgSO4(aq) = BaSO4(s) + MgCl2(aq)
K2O + HNO2 = K2HNO3 =>
K2O + HNO2 = K2HNO3
Cu2S + Fe2(SO4)3 = Fe2SO4 + CuSO4 + S =>
Cu2S + Fe2(SO4)3 = Fe2SO4 + 2 CuSO4 + S
Fe + H2SO3 + H2O = Fe(SO4)3 + H =>
Fe + 3 H2SO3 + 3 H2O = Fe(SO4)3 + 12 H
C3H8 + Br2 = C3H7Br + HBr =>
C3H8 + Br2 = C3H7Br + HBr
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Équations équilibrées sur01/29/25
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