Atkins' Physical Chemistry
Atkins' Physical Chemistry
11th Edition
ISBN: 9780191092183
Author: ATKINS
Publisher: OXFORD UNIV.PRESS ACAD.UK (CC)
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Chapter 4, Problem 4A.5AE

(i)

Interpretation Introduction

Interpretation: The phases of CO2 present at 200K and 2.5atm have to be described.

Concept introduction: The physical state of a substance under different conditions of temperature and pressure is represented by a phase diagram which is drawn by taking pressure on the y axis and temperature on the x axis.  One component system is a system involving one pure substance in different phases.  The system is defined by a set of variables and the minimum number of variable used to define the system is called its degree of freedom.

(ii)

Interpretation Introduction

Interpretation: The phases of CO2 present at 300K and 4.0atm have to be described.

Concept introduction: The physical state of a substance under different conditions of temperature and pressure is represented by a phase diagram which is drawn by taking pressure on the y axis and temperature on the x axis.  One component system is a system involving one pure substance in different phases.  The system is defined by a set of variables and the minimum number of variable used to define the system is called its degree of freedom.

(iii)

Interpretation Introduction

Interpretation: The phases of CO2 present at 310K and 50atm have to be described.

Concept introduction: The physical state of a substance under different conditions of temperature and pressure is represented by a phase diagram which is drawn by taking pressure on the y axis and temperature on the x axis.  One component system is a system involving one pure substance in different phases.  The system is defined by a set of variables and the minimum number of variable used to define the system is called its degree of freedom.

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