   Chapter 10, Problem 115SCQ

Chapter
Section
Textbook Problem

If the absolute temperature of a gas doubles, by how much does the rms speed of the gaseous molecules increase?

Interpretation Introduction

Interpretation:

The rms speed of a gas should be determined under the given condition that if absolute temperature of the gas gets doubled.

Concept introduction:

Effusion:

The movement of gas particles through a small hole is defined as effusion.  The rate of effusion for a gas is inversely proportional to the square root of the mass of gas particles.

The root mean square velocity μ is defined as the measure of velocity of particle in gas. It is the method to determine the single velocity value for particles.

Root mean square velocity can be determined,

μrms=(3RTM)1/2 (1)

(gas constant)R=8.314JKmolM=Molarmass

Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.

Explanation

μrms=(3R

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