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    Exam 17: Thermodynamics: Entropy, free Energy, and Equilibrium
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    The Standard Molar Entropy for Br<sub>2</sub>(g)is 245
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The Standard Molar Entropy for Br2(g)is 245

Question 53

Question 53

Multiple Choice

The standard molar entropy for Br2(g) is 245.46 J/(mol ∙ K) at 25°C.Given that ΔS° = 104.58 J/K for the dissociation of one mole of Br2(g) into Br(g) at 25°C,find the standard molar entropy for Br(g) at 25°C.


A) 70.44 J/(mol ∙ K)
B) 140.08 J/(mol ∙ K)
C) 175.02 J/(mol ∙ K)
D) 350.04 J/(mol ∙ K)

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