The Equilibrium Constant K_p for the Dissociation Reaction of Cl₂

question 130

Multiple Choice

The equilibrium constant K_p for the dissociation reaction of Cl₂
Cl₂(g) 2Cl(g)
Was measured as a function of temperature (in K) . A graph of ln K_p versus 1/T for this reaction gives a straight line with a slope of -1.352 × 10⁴ and an intercept of 14.51. What is the value of ΔS for this dissociation reaction?

• A) 26.81 J/K•mol
• B) 53.14 J/K•mol
• C) 112.0 J/K•mol
• D) 120.6 J/K•mol
• E) none of these

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