Chapter 19, Problem 94AE

(a)

Interpretation Introduction

To determine: The chemical equations corresponds to the $\Delta G_f^0$ for ${\text{NH}}_3\left(g\right)$ and for $\text{CO}\left(g\right)$ .

(b)

Interpretation Introduction

To determine: The formation reaction for which the value of $\Delta G_f^0$ is more positive than $\Delta H_f^0$ out of the given reactions.

(c)

Interpretation Introduction

To determine: The conditions in which the value of $\Delta G_f^0$ is more positive than $\Delta H_f^0$ out of the given conditions.