Chapter 10, Problem 10.96SP

Interpretation Introduction

Interpretation:

The temperature when the $\text{Xe}$ atoms have average speed as that of ${\text{Br}}_2$ molecules at $\text{20 }°\text{C}$ is to be calculated.

Concept introduction:

In accordance with the kinetic-gas theory, the relation between average speed, temperature, and molar mass is as follows:

$u=\sqrt{\frac{3RT}{M}}$

Where,

• $R$ is gas constant.
• $T$ represents temperature in kelvins.
• $M$ represents the molar mass in $\text{kg/mol}$.