Atkins' Physical Chemistry 11e
Atkins' Physical Chemistry 11e
11th Edition
ISBN: 9780192575135
Author: Peter Atkins; Julio de Paula; James Keeler
Publisher: Oxford University Press Academic UK
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Chapter 19, Problem 19A.2BE
Interpretation Introduction

Interpretation:

The nitrogen gas pressure required to create given collision rate at 525K on circular path surface with 2 mm diameter has to be calculated.

Concept Introduction:

The surface which is exposed to gas gets constantly attacked that result in formation of freshly prepared surface very quickly. This quick formation can be estimated using kinetic theory of gas which derive expression for collision flux, Zw as follows,

    Zw = p(2πMkTNA)

Here,    p = Pressure

    NA = Avogadro’s number

    M = Molar mass

    k = Boltzmann’s constant

    T = Temperature.

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