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on the following statement: When two gases are mixed, if

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 14DQ Chapter 18

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 14DQ

on the following statement: When two gases are mixed, if they are to be in thermal equilibrium, they must have the same average molecular speed. Is the statement correct? Why or why not?

Step-by-Step Solution:

Solution 14DQ Step 1 of 3: Not correct, According to kinetic theory of gases, when two or more gases are mixed; as they reach thermal equilibrium, both the gases will be acheive same temperature resulting in equal amount of average kinetic energy on both the gas molecules. That is, when the molecules of different gases are mixed at same temperature, they will achieve equal kinetic energy (from gas laws). 1 2 KE= mv2 Where KE is the kinetic energy, m is the mass of atom and v is the speed of atom. Step 2 of 3: Let us consider an examples of mixture of hydrogen and nitrogen at thermal equilibrium, Since at thermal equilibrium both hydrogen and nitrogen in a mixture will have same temperature, there kinetic energies will be same KE h KE n Using above equation of KE, 1m v = m v1 n 2 2 h h 2 n 2 2 m h h m v n n Where m ,h ahe the mass and speed of hydrogen molecule and m ,v are nhenmass and speed of nitrogen molecule

Step 3 of 3

Chapter 18, Problem 14DQ is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The answer to “on the following statement: When two gases are mixed, if they are to be in thermal equilibrium, they must have the same average molecular speed. Is the statement correct? Why or why not?” is broken down into a number of easy to follow steps, and 33 words. Since the solution to 14DQ from 18 chapter was answered, more than 246 students have viewed the full step-by-step answer. University Physics was written by and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13. This full solution covers the following key subjects: statement, Molecular, Equilibrium, gases, Mixed. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The full step-by-step solution to problem: 14DQ from chapter: 18 was answered by , our top Physics solution expert on 05/06/17, 06:07PM.

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