Chapter 8, Problem 13QP

(a)

Interpretation Introduction

Interpretation:

Whether ${\text{CH}}_4$ exists as a gas at room temperature or not.

(b)

Interpretation Introduction

Interpretation:

Whether ${\text{Ca}}_3{\text{N}}_2$ exists as a gas at room temperature or not.

(c)

Interpretation Introduction

Interpretation:

Whether ${\text{SF}}_4$ exists as a gas at room temperature or not.

(d)

Interpretation Introduction

Interpretation:

Whether $\text{KBr}$ exists as a gas at room temperature or not.

(e)

Interpretation Introduction

Interpretation:

Whether $\text{HCl}$ exists as a gas at room temperature or not.