Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 1 - Problems: 1.1

Answer

a)Chemical Change b)Physical Change c) Yes, by reducing the temperature or by increasing the pressure on the chemical species.It is a physical change. d)Yes , physical properties and chemical properties change from c to d.

Work Step by Step

A) The aftermath of this condition results in the joint movement of molecules think in terms of Brownian motion and therefore a chemical change. B) This condition just results in decrease of spaces between the chemical species. Therefore it is a physical change. C) There is only a change in physical state. D) This change is a physical change because of it changes only physical properties.
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