Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 10 - Chemical Quantities - 10 Assessment - Page 342: 111


A) Physical B) Chemical C) Chemical D) Physical E) Chemical F) Physical

Work Step by Step

Crushing an aspirin tablet only changes its physical appearance, and does not change its composition. When a flower wilts, it has refrained from going through photosynthesis. When grape juice changes to wine, a sugar in grape juice changes to alcohol and carbon dioxide. The change of one substance into different substances is a chemical change. Evaporation is a physical change because it only changes the state of the liquid. It doesn't change its composition. For a plant to sprout, it must perform photosynthesis, which is a chemical reaction. Beating copper into a thin sheet is demonstrates its malleability, which is a physical property and does not affect the composition of the copper.
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