When we study photochemical processes in the upper atmosphere, we need to know how frequently atoms and molecules collide. At an altitude of 20 km, T = 217 K and PN2= 0.050 atm (for this problem, assume only nitrogen moleculesare present). a)What is the mean free path of N2at an altitude of km? (= 0.43 nm2) b)How many collisions per second does a N2molecule make at an altitude of 20 km? c)What is the collision density, Z, under these conditions?
When we study photochemical processes in the upper atmosphere, we need to know how frequently atoms and molecules collide. At an altitude of 20 km, T = 217 K and PN2= 0.050 atm (for this problem, assume only nitrogen moleculesare present). a)What is the mean free path of N2at an altitude of km? (= 0.43 nm2) b)How many collisions per second does a N2molecule make at an altitude of 20 km? c)What is the collision density, Z, under these conditions?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter8: Properties Of Gases
Section: Chapter Questions
Problem 122QRT
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When we study photochemical processes in the upper atmosphere, we need to know how frequently atoms and molecules collide. At an altitude of 20 km, T = 217 K and PN2= 0.050 atm (for this problem, assume only nitrogen moleculesare present).
a)What is the mean free path of N2at an altitude of km? (= 0.43 nm2)
b)How many collisions per second does a N2molecule make at an altitude of 20 km?
c)What is the collision density, Z, under these conditions?
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