CHMY373 Montana Physical Chemistry Problem Set 5

timer Asked: Feb 21st, 2019
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Question Description

answer all the problems in the attached file and show the work with explanation, also circle the final answer.

CHMY 373 2019 – Problem Set 5 Due: Friday Feb. 22 Reading: Chapter 20.1‐20.7 1. Calculate the change in entropy ∆ of one mole of gas due to heating from 298 K to 498 K for the following systems/processes: a. closed, monatomic ideal gas, isochoric, b. closed, monatomic ideal gas, isobaric, c. closed, diatomic ideal gas, isochoric, and d. closed, diatomic ideal gas, isobaric. 2. Your backyard swimming pool contains 33,000 kg of water, initially at 28 °C and out of thermal equilibrium with the air at 15 °C the pool cover is on! . What is the maximum useable work that can be extracted from the thermal equilibration of the pool with the air? You may assume that a Carnot engine could be operated between the pool and the air at a fixed temperature of 15 °C. *Caution: the temperature of the pool water will change as heat is withdrawn. The isochoric heat capacity of the pool water is 4.184 J g K the volume change of the pool water may be assumed to be negligible .

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Tutor went the extra mile to help me with this essay. Citations were a bit shaky but I appreciated how well he handled APA styles and how ok he was to change them even though I didnt specify. Got a B+ which is believable and acceptable.

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