Chapter 17, Problem 17.13QP

(a)

Interpretation Introduction

Interpretation: The combinations of entropy changes from the given options that are mathematically possible are to be identified.

Concept introduction: Entropy is a thermodynamic property which shows the randomness or disorder of the atoms within the system.

$\Delta S_{\text{sys}}$ is known as the entropy change for a system and $\Delta S_{\text{univ}}$ is the entropy change in the universe.

$\Delta S_{\text{surr}}$ is known as entropy change for a surrounding.

To determine: The combination of entropy changes, such as $\Delta S_{\text{sys}}>0$, $\Delta S_{\text{surr}}>0$ and $\Delta S_{\text{univ}}>0$ for a process is mathematically possible.

(b)

Interpretation Introduction

To determine: The combination of entropy changes, such as $\Delta S_{\text{sys}}>0$, $\Delta S_{\text{surr}}<0$ and $\Delta S_{\text{univ}}>0$ for a process is mathematically possible.

(c)

Interpretation Introduction

To determine: The combination of entropy changes, such as $\Delta S_{\text{sys}}>0$, $\Delta S_{\text{surr}}>0$ and $\Delta S_{\text{univ}}<0$ for a process is mathematically possible.