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Chapter 13 States of Matter 13.2 The Nature of Liquids

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1 Chapter 13 States of Matter 13.2 The Nature of Liquids
13.1 The Nature of Gases 13.2 The Nature of Liquids 13.3 The Nature of Solids 13.4 Changes of State Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

2 melting point - temperature at which a solid changes into a liquid.
A Model for Solids melting point - temperature at which a solid changes into a liquid. freezing point - temperature at which a liquid changes into a solid. Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

3 A Model for Solids sublimation - change of a substance from a solid to a vapor, without passing through the liquid phase. deposition - change of a substance from a vapor to a solid without passing through the liquid state.. Solid Vapor (gas) sublimation deposition Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

4 Sublimation Solid carbon dioxide (dry ice) is often used as a coolant for goods such as ice cream, which must remain frozen during shipment. Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

5 Phase Diagrams phase diagram: graph showing conditions at which a substance exists as a solid, liquid, or vapor Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

6 Phase Diagrams  A phase diagram summarizes the effect of temperature and pressure on a substance in a closed container.  The conditions of pressure and temperature at which two phases exist in equilibrium are indicated on the phase diagram by a line separating the phases. Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

7 Phase Diagrams triple point - set of conditions at which all three phases can exist in equilibrium with one another. Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

8 Do Now The water cycle is the process by which water moves from place to place above, on and below the Earth’s surface. Work with your group to develop a list of phase changes associated with the water cycle. Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

9 Copyright © Pearson Education, Inc. , or its affiliates
Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

10 Plasma http://ed.ted.com/lessons/solid-liquid-gas-and-plasma-michael-murillo
Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

11 END OF 13.4 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.


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