Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 8 - 8.1 - Concept Check - Page 147: 1


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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