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Comprehensive Overview of Gas Laws, K-M Theory, Intermolecular Forces, and Phase Diagrams

This chapter highlights essential concepts from Dr. McGoldrick's lecture, focusing on gas laws, kinetic molecular theory (K-M Theory), and the properties of liquids and solids. Key topics include the behavior of gases, fundamental gas laws (Boyle’s, Charles’s), intermolecular forces (dipole-dipole, hydrogen bonds), and phase changes. Learn about heating curves, vapor pressure, boiling points, and the differences between crystalline and amorphous solids. This condensed summary serves as a guide for understanding the essential principles of chemistry and their applications in real-world scenarios.

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Comprehensive Overview of Gas Laws, K-M Theory, Intermolecular Forces, and Phase Diagrams

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Presentation Transcript

  1. Che 113 Chapter 5 Dr. McGoldrick’s Lecture Highlights

  2. Chapter Overview • Gas Laws • K-M Theory • Intermolecular Forces • Liquids • Solids • Heating Curves & Phase Diagrams

  3. Gases • Compare to liquids and solids • Variables of gas behavior:P,V, n, T • Units of measurement for each variable • K-M Theory statements (see text)

  4. Gas Laws • Boyle V ~ 1/P • Chas. V ~ T Use Kelvin! • Sample calculations-simple-combined: • P1 V1 = P2 V2 T1 T2

  5. Gas Laws contd. • Define STP • Ideal behavior • Ideal gas law PV = nRT Dalton’s Law, Graham’s Law

  6. Intermolecular Forces • Dipole- Dipole • H- Bonds • London ForcesDescribe; know examples

  7. Liquids • Equlibrium VP • BP (normal bp) • ∆H vap • VP curves- for pure liquids-for solutions

  8. Overview • Heating Curve (for water) • Terms: fusion, evaporation, condensation, crystallization and sublimation • Phase Diagram ( see text)

  9. Solids • Amorphous • Crystalline • Summary Table (see text and h.o.) -Names -Bonds -Properties • Buckyballs, nanotubes ( see text)

  10. End Chapter 5 Homework

  11. Log OFF

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