Chemistry: Molecular Approach (4th Edition)

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

Chapter 1 - Exercises: 49

Answer

a. physical change; b. chemical change; c. physical change

Work Step by Step

There's no change in the reactants or products. They have the same composition throughout the reaction. There's a difference between the reactants and the products as new molecules formed in this reaction. There's no change in the reactants or products. They have the same composition throughout the reaction.
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