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    Chemistry The Molecular Nature
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    Exam 20: Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions
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    Elemental Boron Can Be Formed by Reaction of Boron Trichloride
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Elemental Boron Can Be Formed by Reaction of Boron Trichloride

Question 53

Question 53

Multiple Choice

Elemental boron can be formed by reaction of boron trichloride with hydrogen. Elemental boron can be formed by reaction of boron trichloride with hydrogen.   If <font face= symbol ></font>S° = 80.3 J/K for the reaction above, what is S° for BCl<sub>3</sub>(g) ? A)  -18.2 J/K<font face= symbol ></font>mol B)  18.2 J/K<font face= symbol ></font>mol C)  290.1 J/K<font face= symbol ></font>mol D)  355.4 J/K<font face= symbol ></font>mol E)  450.6 J/K<font face= symbol ></font>mol If S° = 80.3 J/K for the reaction above, what is S° for BCl3(g) ?


A) -18.2 J/Kmol
B) 18.2 J/Kmol
C) 290.1 J/Kmol
D) 355.4 J/Kmol
E) 450.6 J/Kmol

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