Chapter 10, Problem 10.92CP

Interpretation Introduction

Interpretation:

Computer program to automate the Gibbs phase rule calculation is to be written.

Concept Introduction:

The Gibbs phase rule provides the relation between number of chemically independent component and the number of independent phases for a given system. When temperature and pressure of the system can be changed, it is defined as:

  $2+C=F+P$

Here, $C$ is used for the number of chemically independent variables. This means that number of different elements or compounds which are required to specify the given system.

  $F$ is the degree of freedom which are number of variables which are allowed to change in the given system without altering its number of phases. In this case, temperature and pressure are the two variables which are assumed to change which is represented in the equation by the constant "2".

  $P$ is the number of phases present in the given system which are in equilibrium which each other.