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Unformatted text preview: Quiz 2a Name: Date: Phys224 Spring 2010 Dr. P. Hanlet Concept (3 points each) 1. The constant k in the Ideal Gas Law is frequently used to: (a) convert to moles (b) convert between different temperature scales (c) calculate molar density (d) relate microscopic and macroscopic properties of a gas (e) all of the above 2. A gas mixture consists of molecules of types 1, 2, and 3, with molecular masses m 1 , m 2 , and m 3 , respectively. If m 2 > m 3 > m 1 Rank the three types according to average kinetic energy in descending order. (a) 1 2 3 (b) 1 3 2 (c) 2 1 3 (d) 2 3 1 (e) 3 1 2 (f) 3 2 1 1 Problem (5 pts) Show your work!!! If I can read it, I will give you partial credit!!! Correct answers without work will NOT get full credit. 3. On a hot day, the outdoor temperature is 30 ◦ C , and the indoor temperature in an air-conditioned room is 20 ◦ C . Assuming the atmospheric pressure is 1 atm , what is the density of the indoor air?...
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This note was uploaded on 02/13/2010 for the course PHYS 224 taught by Professor Hanlet during the Spring '10 term at Illinois Tech.
- Spring '10