Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 1 - Exercises: 17

Answer

A physical change results in a different form of the same substance (ex - water boiling), while a chemical change results in a completely different substance (ex - iron rusting).

Work Step by Step

When water boils, it changes its state from liquid to gas. When iron rusts, the irons atoms combine with oxygen molecules from the air and essentially forms iron oxide.
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