Homework 10 (1) - ching (rbc537) Homework 10 Brodbelt...

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Unformatted text preview: ching (rbc537) Homework 10 Brodbelt (53765) 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. Homework 10: Free energy and entropy 001 10.0 points You cant unscramble an egg might be a laymans view of 1. the third law of thermodynamics. 2. the first law of thermodynamics. 3. the woeful lament of a student contem- plating checking his work on an exam. 4. the second law of thermodynamics. 002 10.0 points Which substance has the lower molar en- tropy? 1. They are the same 2. KCl(aq) at 298 K and 1.00 atm 3. Unable to determine 4. KCl(s) at 298 K and 1.00 atm 003 10.0 points Without performing any calculations, de- termine whether the entropy of the system increases or decreases in the photosynthesis of glucose: 6 CO 2 (g) + 6 H 2 O( ) C 6 H 12 O 6 (s) + 6 O 2 (g) 1. decreases 2. The entropy does not change. 3. increases 4. Unable to determine 004 10.0 points The temperature of 2.00 mol Ne(g) is in- creased from 25 C to 200 C at constant pres- sure. Assume the heat capacity of Ne is 20.8 J/K mol. Calculate the change in the entropy of neon. Assume ideal behavior. 1. +7.68 J K 1 2. +19.2 J K 1 3.- 7.68 J K 1 4.- 19.2 J K 1 5. +9.60 J K 1 005 10.0 points Consider the following processes. (Treat allConsider the following processes....
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This note was uploaded on 09/13/2011 for the course CH 301 taught by Professor Fakhreddine/lyon during the Fall '07 term at University of Texas at Austin.

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Homework 10 (1) - ching (rbc537) Homework 10 Brodbelt...

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