Chapter+8+Gas+Law+Student+Notes

Chapter 8 Gas Law St - CHAPTER 8 GAS LAWS 1 CHEM 1310 G Fall 2009 CHAPTER 5 OBJECTIVES 8.1 Explain how gas molecules differ in nature than solid

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C HAPTER 8: G AS L AWS CHEM 1310 – G Fall 2009 1
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C HAPTER 5 O BJECTIVES 8.1: Explain how gas molecules differ in nature than solid and liquid molecules. 8.2: Outline the basic relationships between pressure, volume, temperature, and the number of moles observed with gases. 8.3: Include a discussion of how these can be applied experimentally to identify unknown gases using density and molecular weight. This will include a discussion of gas stoichiometry. 8.4: Provide an overview of the Kinetic Theory of Gases and include a brief discussion of average kinetic energy and molecular speed. 2
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W HAT ARE SOME PROPERTIES OF GASES ? W HAT MAKES GASES UNIQUE ? 3
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P RESSURE – T HE F UNDAMENTAL G AS M EASUREMENT 4
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T HE ORIGINS OF THE UNIT “TORR” AND MEASURING P RESSURE 5
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F ACTS ABOUT P RESSURE Decreases with altitude Pressure is exerted uniformly The pressure on the outside of your body is equalized by the pressure on the inside, so there is no NET pressure. What would happen if this was not the case? 6
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W HAT IF P OUTSIDE > P INSIDE ? 7
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W HAT V ARIABLES ARE U SED TO D ESCRIBE G ASES ? W HAT ASSUMPTIONS ARE MADE ? 8
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P RESSURE -V OLUME R ELATIONSHIP Pressure (atm) Volume (L) 1 16 2 8 4 4 8 2 16 1 ***Constant temperature and number of moles. 9
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G RAPHICAL D EPICTION 10
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OLUME -T EMPERATURE R ELATIONSHIPS Temperature is measured on an absolute scale known as Kelvin. WHY use an absolute scale?
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This note was uploaded on 04/12/2010 for the course CS 1371 taught by Professor Stallworth during the Spring '08 term at Georgia Institute of Technology.

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Chapter 8 Gas Law St - CHAPTER 8 GAS LAWS 1 CHEM 1310 G Fall 2009 CHAPTER 5 OBJECTIVES 8.1 Explain how gas molecules differ in nature than solid

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