The equilibrium constant K for the following reaction at 25°C from standard electrode potentials is Antilog (37.5).
Chemical equilibrium is the condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs.
Reduction Half-Reaction
[tex]Fe^{3+}[/tex](aq)+[tex]e^-[/tex] →[tex]Fe^{2+}[/tex](aq)
Standard reduction electrode potentials = +0.77
Oxidation Half-Reaction
Cu(s) = [tex]Cu^{+2}[/tex](aq) + 2[tex]e^-[/tex]
Standard reduction electrode potentials = -0.34
E° cell= E°cathode- E°anode
E° cell= +0.77+0.34
E° cell=1.11
E°cell= 0.0592÷n logK
From the redox reaction equations above, n=2
1.11 V= 0.0592÷2 logK
37.5 = logK
K= Antilog (37.5)
Hence, the equilibrium constant K for the following reaction at 25°C from standard electrode potentials is Antilog (37.5).
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