Phosphorus pentachloride thermally dissociates according to reaction given below. PCl#(g) ⇌ PCl!(g) + Cl"(g) a) What is the equilibrium expression, in term of mole fractions, for this reaction? b.) What is the mole fraction, in terms of alpha , for each species? (alpha is the degree of dissociation) c) If the degree of dissociation is 0.920 at 600 K and 5.0 bar, what is the value of the equilibrium constant

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