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Are separations of mixtures physical or chemical changes Explain

Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste ISBN: 9781439049402 426

Solution for problem 8 Chapter 3

Introductory Chemistry: A Foundation | 7th Edition

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Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste

Introductory Chemistry: A Foundation | 7th Edition

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Problem 8

Are separations of mixtures physical or chemical changes? Explain.

Step-by-Step Solution:
Step 1 of 3

Chemistry 1010 8/30/2017-9/1/2017 “Are all rocks the same”  Granite -Heterogeneous: we can see boundaries. Mixtures. Can separate -granite is composed of different rocks that have been crushed together  Chert -Homogeneous: we don’t see boundaries -property: if striked just right it will fall into flakes Distinguish Properties into 2 types 1. Physical -Changes that do not alter composition 2. Chemical -properties that a substance has that is involved in changing into another substance Techniques used for separating samples of matter  Heterogeneous separated by -sorting, decanting, filtration  Homogeneous separated by -distillation, crystallization (salt, sugar), chromatography Greek P

Step 2 of 3

Chapter 3, Problem 8 is Solved
Step 3 of 3

Textbook: Introductory Chemistry: A Foundation
Edition: 7
Author: Steven S. Zumdahl, Donald J. DeCoste
ISBN: 9781439049402

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Are separations of mixtures physical or chemical changes Explain