About This Chapter
Liquids and Solids - Chapter Summary and Learning Objectives
Besides the obvious physical traits, what distinguishes a solid from a liquid? While this question may seem simple, when you start to consider chemical composition, molecules, or particle movement, the question becomes more and more complex. Fortunately, the brief video lessons in this chapter extensively explore these and other chemistry-related topics. Quizzes accompany each lesson to help you confirm your understanding of liquids and solids. After completing this chapter, you should have a better grasp of the following:
- Kinetic Molecular Theory
- Phase diagrams
- Phase changes
- Unit cells and crystal structures
|The Kinetic Molecular Theory: Properties of Solids and Liquids||Apply the theory to define how particles move in liquids and solids.|
|Phase Diagrams: Critical Point, Triple Point and Phase Equilibrium Boundaries||Inspect the different elements of phase diagrams, determine phase equilibrium boundaries, identify the critical point, and examine the triple point.|
|Phase Changes and Heating Curves||Establish what occurs during phase changes, and describe a heating curve.|
|Crystal Structures and the Unit Cell||Analyze and compare the different types of unit cells and crystal structures.|
1. The Kinetic Molecular Theory: Properties of Solids and Liquids
This lesson explores the kinetic molecular theory and how it pertains to the properties of solids and liquids. You'll learn the properties of solids and liquids, discover the types of intermolecular attractions that occur between them and gain an understanding how phase changes happen.
2. Phase Diagrams: Critical Point, Triple Point and Phase Equilibrium Boundaries
Learn what a phase diagram is and how to interpret phase diagrams. Discover how to use a phase diagram to locate the phase equilibrium boundaries. Also, learn what a triple point and critical point are and how to locate them on a phase diagram.
3. Phase Changes and Heating Curves
Learn the phases - gas, liquid, solid and plasma. Learn what a phase diagram is and what terms describe the movement between phases: melting, sublimating, freezing, vaporization, condensation, and deposition. Discover why heating curves have plateaus, what a phase transition is, and what happens during this transition.
4. Crystal Structures and the Unit Cell
This crystallography lesson explores the structure and properties of crystals. You'll learn about the parts of a crystal structure, types of crystals and patterns created by unit cells.
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