Chapter12 - Chemistry 102 Chapter 12 Summary and Review The...

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Chemistry 102 – Chapter 12 Summary and Review The learning objectives for Chapter 12 include: Objective 1: Understand spatial scale, particularly to the very sizes (on the order of atoms). As an example you should be able to: estimate measurement, conceptualize relative sizes, use measurement tools skillfully, correctly compare numbers, convert measurements and scales, be able to compare specific objects (atoms and molecules, for example) by size and use the atom as a starting point in representing matter and changes. Objective 3: Understand the relationship between macroscopic, particle and symbolic representations of matter including atom relationships in molecules and compounds. As an example you should be able to: identify macroscopic vs particle representations, read chemical formula, represent bonding detail in molecules, know that some elements exist as diatomic molecules, and be able to interpret organic chemical formulas from line drawings. Objective 14: Understand properties of liquids and solids. As an example you should be able to: define key terms, correlate properties of liquids, interpret a phase diagram, identify differences between types of solids, and calculate properties of elemental cubic crystals. 1. Vocabulary : For these terms, you should first define the word for yourself and then check the definition in the glossary or chapter of your text. Compare your definition and use of the term to the textbook. You should agree. 1. Adhesion 2. Boiling point 3. Cohesion 4. Condensation 5. Coordination number 6. Critical pressure 7. Critical temperature 8. Dipole-dipole forces 9. Equilibrium vapor pressure 10. Evaporation 11. Hydrogen bonding 12. Induced dipole 13. Intermolecular forces 14. Intramolecular forces 15. Ion-dipole forces 16. Lattice point 17. Melting point 18. Molar heat of vaporization 19. Phase 20. Phase changes 21. Phase diagram 22. Polarizability 23. Sublimation 24. Surface tension 25. Triple point 26. Unit cell 27. van der Waals forces 28. Vaporization
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2. Key Concepts : For these, you should be able to read, understand and explain the concept. Try this by writing this out, talking with a fellow student, or identifying an example that applies this concept. Chapter 12 takes what you have learned about structure in chapters 9-10 (and of course, leading into 9-10 with previous chapters as well) and uses this to explain function. Remember, we observe function (like solubility) on a macroscopic-level . This is for many, many, many particles. We explain function on the particle-level usually for one particle – and use structure to explain what we observe. It is very important that you consider at least two or more particles interacting to describe intermolecular forces – as these are the forces between molecules, not within! The polarity of molecules that you learned to determine in Chapter 10 is very
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This note was uploaded on 03/15/2011 for the course CHE 215 taught by Professor Aboyousef during the Spring '11 term at American University of Sharjah.

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Chapter12 - Chemistry 102 Chapter 12 Summary and Review The...

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