a) The average free path of the molecules in a gas is 10-⁴ cm, and the number of collisions of each molecule with the others is given as 2x109 s-¹. Calculate the average velocity and diffusion coefficient of the molecules. b) If the pressure of the CO2 gas at 20˚C with a Joule-Thomon coefficient of 1.30 K/atm is reduced from 15 atm to 2 atm by Joule-Thomon expansion, what will be the final temperature?
a) The average free path of the molecules in a gas is 10-⁴ cm, and the number of collisions of each molecule with the others is given as 2x109 s-¹. Calculate the average velocity and diffusion coefficient of the molecules. b) If the pressure of the CO2 gas at 20˚C with a Joule-Thomon coefficient of 1.30 K/atm is reduced from 15 atm to 2 atm by Joule-Thomon expansion, what will be the final temperature?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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a) The average free path of the molecules in a gas is 10-⁴ cm, and the number of collisions of each molecule with the others is given as 2x109 s-¹. Calculate the average velocity and diffusion coefficient of the molecules.
b) If the pressure of the CO2 gas at 20˚C with a Joule-Thomon coefficient of 1.30 K/atm is reduced from 15 atm to 2 atm by Joule-Thomon expansion, what will be the final temperature?
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