Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 1 - The Nature of Chemistry - Questions for Review and Thought - General Questions: 76b

Answer

The answer is below.

Work Step by Step

The color provided, along with color change, can be described qualitatively. Contrarily, temperature changes are quantitative. In this experiment, we see that the color of the liquid changed when the hydrochloric acid was acid, suggesting that this was a chemical change.
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