   Chapter 12, Problem 63PE

Chapter
Section
Textbook Problem

What is the ratio of the average distances that oxygen will diffuse in a given time in air and water? Why is this distance less in water (equivalently, why is D less in water)?

To determine

To find the ratio of the average distance that oxygen will diffuse in air and water in given time.

Explanation

Given:

Diffusion constant of oxygen in water, Dw= 1× 109m2/s

Diffusion constant of oxygen in air, Da= 1.8× 105m2/s

Formula used:

The ratio of distance travelled =distancetravelledinairdistancetravelledinwater=xaxw

Calculation:

=

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