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Unformatted text preview: 1 The quiz next week will be given during your recitation. It will cover material starting with section 10.7. First Midquarter Exam Monday, Jan 29 6:307:48 pm Rooms TBA Chaps 10, 11, 13 Dr. Zellmer’s web site has very useful information on BP data and the use of Excel for Exps. 13 and 17. 11.5 Vapor Pressure • Explaining Vapor Pressure on the Molecular Level, Volatility, • Vapor Pressure, and Temperature; • Vapor Pressure and Boiling Point 11.6 Phase Diagrams • The Phase Diagrams of H 2 O and CO 2 11.7 Structures of Solids • Unit Cells • The Crystal Structure of Sodium Chloride • Close Packing of Spheres 11.8 Bonding in Solids • Molecular Solids • CovalentNetwork Solids • Ionic Solids • Metallic Solids Chapter 13 Properties of Solutions 13.1 The Solution Process • Energy Changes and Solution Formation • Solution Formation, Spontaneity, and Disorder • Solution Formation and Chemical Reactions (Add slide of CC eq and plot.) But, recall, we always prefer straight lines! ln P H R T C vap vap = − ⎛ ⎝ ⎜ ⎞ ⎠ ⎟ + ∆ 1 ← Temp. increases Or with P the vapor pressureat T and P the vapor pressureat T P H R T C and P H R T C subtract to give P P H R T T or P P H R T T vap vap vap vap , ln ln ln ln ln 1 1 2 2 2 2 1 1 2 1 2 1 2 1 2 1 1 1 1 1 1 1 = − ⎛ ⎝ ⎜ ⎞ ⎠ ⎟ + = − ⎛ ⎝ ⎜ ⎞ ⎠ ⎟ + − = − − ⎛ ⎝ ⎜ ⎞ ⎠ ⎟ ⎛ ⎝ ⎜ ⎞ ⎠ ⎟ = − − ⎛ ⎝ ⎜ ⎞ ⎠ ⎟ ∆ ∆ ∆ ∆ Using the ClausiusClapeyron Equation: Tabulate P in atm and T in K; Calculate lnP and 1/T Plot lnP vs 1/T The slope is =  ∆ H vap /R The slope! Phase Diagrams 2 The Critical Point: 11.55 The normal melting and boiling points of xenon are 112 o C and 107 o C, respectively. Its triple point is at121 o C and 282 torr, and its critical point is a 16.6 o C and 57.6 atm....
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 Winter '07
 Zellmer
 Chemistry, Crystallography, Cubic crystal system, Crystal system, Reciprocal lattice, Molecular Solids

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