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Vapor pressure

AP Chemistry Zumdahl 7E Chapter 10 Notes

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Chemistry
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Chemical bonding
Gases
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intermolecular forces
Chemical properties
Properties of water
Chemical bond
Molecular solid
Hydrogen bond
Vapor pressure
Enthalpy of vaporization
Boiling point

1 Chapter 10 - Liquids and Solids 10.1 Intermolecular Forces A. Dipole-Dipole Forces 1. Attraction between molecules with dipole moments a. Maximizes (+) ----- ( - ) interactions b. Minimizes (+) ----- ( + ) and (-) ----- ( - ) interactions 2. About 1% of strength of ionic bonds a. Unimportant in gas phase due to distance between molecules B. Hydrogen Bonding 1. Special dipole-dipole attraction a. Hydrogen covalently bonded to highly electronegative elements (N, O, F) has a higher than normal d+ charge 2. Bond strength is higher than other dipole-dipole attractions 3. Important in the bonding of molecules such as water and DNA C. London Dispersion Forces 1. Instantaneous dipoles a. Random movement of electrons can create a momentary

CHEM 1A midterm 1

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Chemistry
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Chemistry
Functional Groups
Antiseptics
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Monomers
Superhard materials
Properties of water
Ether
Boron
Vapor pressure
Allene
Boiling point

Chemistry 1A, Fall 2012 Midterm Exam #1 September 19, 2012 (90 min, closed book) Name:__________________________________ SID:___________________________________ GSI Name:________________ Discussion Day/Time: ________________ ? The test consists of 4 short answer questions and 17 multiple choice questions. ? Put your written answers in the boxes provided. Answers outside the boxes may not be considered in grading. ? Write your name on every page of the exam. Question Page Points Score Multiple Choice (1-17) 2-6 51 Ethylene Glycol Short Answer 3 4 Boron Nitride Short Answer 4 4 Allene Short Answer 5 4 Cyanogen Short Answer 5 7 Total 70 Useful Equations and Constants: PV = nRT

Chapter 10

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Chemistry
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Chemistry
Thermodynamic properties
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Phase transitions
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Enthalpy of vaporization
Vapor pressure
Phase
Enthalpy of fusion
Dipole
Evaporation

Chapter 10 notes Claire Rafson 10.1-10.2 Intermolecular forces- occur b/w not in molecules. From solid to liquid to gas molecules remain in tact Forces: Dipole-dipole forces are forces that act between polar molecules Hydrogen bonding- strong form of dipole dipole with H and NOF London Dispersion- Present in all but ionic . noble gas and nonpolar and Polar. Big atom with a lot electrons LD can be stronger than dipole dipole Higher IMF = higher: surface tension, boiling/meltin point. Lower: vapor pressure Capillary action- polar liquids typically exhibit it 10.3- crystalline solids- highly regular arrangement of their components ionic and molecular amorphous solids- considerable disorder 10.5- Network atomic Solids- giant molecule Strong covalent bonds Silica- SiO2

chapter 11 intermolecular forces, liquids, and solids

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Chemistry
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Chemistry
intermolecular forces
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Condensed matter physics
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Van der Waals force
Vapor pressure
London dispersion force
Molecular solid

? 2009, Prentice-Hall, Inc. Chapter 11 Intermolecular Forces, Liquids, and Solids John D. Bookstaver St. Charles Community College Cottleville, MO Chemistry, The Central Science, 11th edition Theodore L. Brown, H. Eugene LeMay, Jr., and Bruce E. Bursten ? 2009, Prentice-Hall, Inc. ? 2009, Prentice-Hall, Inc. States of Matter The fundamental difference between states of matter is the distance between particles. ? 2009, Prentice-Hall, Inc. ? 2009, Prentice-Hall, Inc. States of Matter Because in the solid and liquid states particles are closer together, we refer to them as condensed phases. ? 2009, Prentice-Hall, Inc. ? 2009, Prentice-Hall, Inc. The States of Matter The state a substance is in at a particular temperature and pressure depends on two antagonistic entities:
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