Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 1 - Chemical Foundations - Exercises: 81


a) heterogeneous b) homogeneous c) homogeneous d) homogeneous e) heterogeneous f) heterogeneous

Work Step by Step

a) A door is heterogeneous because it contains different parts (such as the handle, the hinge, etc.) which contain different compositions of material. b) The air you breathe is homogeneous due to the diffusion of air particles. c) Coffee is homogeneous because the components are mixed thoroughly and there are no chunks. d) Drinking water is homogeneous because all the dissolved matter is evenly distributed due to diffusion. e) Salsa is heterogeneous because there are chunks of material. f) People are heterogeneous because different body parts are composed of different material.
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