Chapter 10, Problem 63QAP

Interpretation Introduction

Interpretation:

The term entropy should be defined and why it increases for spontaneous process should be explained.

Concept Introduction:

Entropy is a thermodynamic property that measures the disorder or randomness in a system or in a surrounding. In a spontaneous process there is always an increase in the entropy of the universe.

$\begin{array}{l}\text{Δ}\text{S}\text{u}\text{n}\text{i}\text{v}>0\hfill \\ \text{o}\text{r},\text{Δ}\text{S}\text{s}\text{y}\text{s}+\text{Δ}\text{S}\text{s}\text{u}\text{r}\text{r}>0\hfill \end{array}$.