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Liquids & Solids. Dr. Ron Rusay Fall 2001. States of Matter. Changes of State. Energy of Phase Changes. Heating Curve for H 2 O. Vapor Pressure vs. Temperature. Vapor Pressures of Liquids. Periodicity: Boiling Point. - PowerPoint PPT Presentation
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Liquids & Solids
Dr. Ron Rusay
Fall 2001
States of Matter
Changes of State
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Energy of Phase Changes
Heating Curve for H2O
Vapor Pressure vs. Temperature
Vapor Pressures of Liquids
Periodicity: Boiling Point
Boiling Point: Temperature at which the vapor pressure of the liquid equals the atmospheric pressure. Higher vapor pressure : Lower boiling point.
Boiling Points of Simple Hydrogen Compounds
What can explain the trends?
Intermolecular Hydrogen Bonds in H2O
Besides oxygen, both nitrogen and fluorine form intermolecular hydrogen bonds. Other atoms DO NOT.
Views of Water
104.5o Angle Dipole Moment
Surface Forces of a Liquid
Dissolution of NaCl in Water
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Intermolecular Forces
Ionic & Polar Interactions: + and - ; + ---- -
Ion-Dipole Forces
Dipole-Dipole Forces
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Close Packing
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Close Packed Spheres
Three Types of Crystalline Solids
Ionic Molecular Metallic
Diamond and Graphite
Cross Section of a Metal
Crystal Lattice
Cubic Lattices
Space-Filling Cubic Cells
Crystal Lattice of NaCl
Unit Cell of NaCl
Unit Cells
X-Ray Crystallography
Table 11.6
Mass: Polarity: Boiling Point
Why doesn’t the boiling point increase regularly with mass?
London Dispersion Forces
Pentane Isomers
Flowchart for Types of Forces
Equilibrium Vapor Pressure
Kinetic Energy Distribution
Phase Diagram
Phase Diagram of H2O, CO2
Exercise
Desrcibe the points on the diagram.
Exercise 11.15
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Exercise 11.16
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Exercise 11.57
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Exercise 11.58
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Exercise 11.79
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