Atkins' Physical Chemistry
Atkins' Physical Chemistry
11th Edition
ISBN: 9780198769866
Author: ATKINS, P. W. (peter William), De Paula, Julio, Keeler, JAMES
Publisher: Oxford University Press
Question
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Chapter 16, Problem 16A.1P

(a)

Interpretation Introduction

Interpretation:

The effective molecular diameter of NH3 at 270 K and 1.00 bar pressure with vapor-phase viscosity coefficient 9.08×106 kg m1 s1 has to be calculated.

Concept introduction:

Viscosity is called the property of a fluid that is “a measure of its resistance to flow”.  It is the consequence of a molecular attraction and denotes the internal friction of a moving fluid.  A fluid with high viscosity resists motion due to its high molecular interaction.  The substances with low intermolecular interaction have lower viscosity.  The effective molecular diameter of the molecule depends inversely on the viscosity of the substance.

(b)

Interpretation Introduction

Interpretation:

The effective molecular diameter of NH3 at 490 K and 10.0 bar pressure with vapor-phase viscosity coefficient 1.749×105 kg m1 s1 has to be calculated.

Concept introduction:

As mentioned in the concept introduction in part (a).

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Chapter 16 Solutions

Atkins' Physical Chemistry

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