Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 8 - 8.1 - Concept Check: 1

Answer

The second law of thermodynamics describes the increase in disorder in the universe. When a molecule diffuses down its concentration gradient it runs down the gradient, increasing disorder.

Work Step by Step

This question asks you to see something essential about diffusion--it spontaneously runs down a gradient and increases disorder--and to connect that to a law of physics and chemistry which relates to disorder.
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