the deep space between galaxies, the number density of atoms is as low as 106 atoms/m3, and the temperature is a frigid 2.7 K. part (a)  What is the pressure, in pascals, in the region between galaxies?  part (b)  What volume, in cubic meters, is occupied by 3.5 mol of gas?  Part (c)  If this volume is a cube, what is the length of one of its edges, in kilometers?

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter19: Temperature, Thermal Expansion And Gas Laws
Section: Chapter Questions
Problem 43PQ
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 In the deep space between galaxies, the number density of atoms is as low as 106 atoms/m3, and the temperature is a frigid 2.7 K.

part (a)  What is the pressure, in pascals, in the region between galaxies? 

part (b)  What volume, in cubic meters, is occupied by 3.5 mol of gas? 
Part (c)  If this volume is a cube, what is the length of one of its edges, in kilometers? 

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