Written Assignment 9.rtf - Name Kaelyn Gleason College ID...

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Name: Kaelyn Gleason College ID: 0679642 Thomas Edison State University General Chemistry II with Labs (CHE-122) Section no.: 122-009 Semester and year: OCT 2020 Written Assignment 9: Spontaneity Reactions Answer all assigned questions and problems, and show all work. 1. How does the entropy of a system change for each of the following processes? (14 points) a.
b. c.
d. e.
f. A solid sublimes: Entropy increases
g. Urea dissolves in water: Entropy increases (Reference: Chang 17.5) 2. For each pair of substances listed here, choose the one having the larger standard entropy value at 25ºC. The same molar amount is used in the comparison. Explain the basis for your choice. (12 points)
b. C 2 H 5 OH( l ) or CH 3 OCH 3 ( l ): Both molecules are in liquid phase.

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