Chapter 3 Outline

Chapter 3 Outline - SECTION 3.1: PURE SUBSTANCE Pure...

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Unformatted text preview: SECTION 3.1: PURE SUBSTANCE Pure Substance- Definition: a substance that has a fixed chemical composition - Does NOT have to be of a single chemical element or compound- as long as the mixture is homogeneous- A mixture of two phases can still be a pure substance as long as chemical composition is the same in all phases present SECTION 3.2: PHASES OF A PURE SUBSTANCE Principle Phases- Three principal phases: solid, liquid, and gas- These phases may have several phases o Example: Carbon can exist as graphite or diamond in the solid phase SECTION 3.3: PHASE-CHANGE PROCESSES OF PURE SUBSTANCES Compressed Liquid- liquid that is not about to vaporize- exists at a temperature below T-critical Superheated Vapor- Vapor that is not about to condense- Exists at a temperature above T-critical Saturated Liquid- Liquid that is about to vaporize Saturated Vapor- Vapor that is about to condense Saturation Temperature ( )- The temperature in which a pure substance changes phase at a given pressure Saturation Pressure (...
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This note was uploaded on 10/01/2008 for the course ME 361 taught by Professor Martin during the Spring '07 term at Wisconsin.

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Chapter 3 Outline - SECTION 3.1: PURE SUBSTANCE Pure...

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