Homework Answers 10.31 – Constant T so P vap is constant at 28.0 mm Hg 10.47 – a) melting, b) no...
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Transcript of Homework Answers 10.31 – Constant T so P vap is constant at 28.0 mm Hg 10.47 – a) melting, b) no...
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Homework Answers
• 10.31 – Constant T so Pvap is constant at 28.0 mm Hg
• 10.47 – a) melting, b) no change, still liquid
• 10.49 – boils when Patm gets down to Pvap
• 10.51 – 36.6 kJ released• 10.53 – 26.9 kJ released• 10.55 – • 10.57 – 7.12 J/(K∙mole)• 10.119 – BP = 77˚C,
Pvap = 58.9 mm Hg
Copyright © 2008 Pearson Prentice Hall, Inc. Chapter 1/1
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Unit Cellsin
Crystalline Solids
Copyright © 2008 Pearson Prentice Hall, Inc.
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Copyright © 2008 Pearson Prentice Hall, Inc. Chapter 10/6
Probing the Structure of Solids: X-Ray CrystallographyDiffraction: Occurs when electromagnetic radiation is scattered by an object containing regularly spaced lines (such as a diffraction grating) or points (such as the atoms in a crystal).
Interference: Occurs when two waves pass through the same region of space.
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Copyright © 2008 Pearson Prentice Hall, Inc. Chapter 10/7
Probing the Structure of Solids: X-Ray Crystallography
Bragg Equation: d =2 sin n
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ATP by X-ray diffraction
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Copyright © 2008 Pearson Prentice Hall, Inc. Chapter 10/11
Unit Cells and the Packing of Spheres in Crystalline Solids
Body-Centered CubicPacking
Simple CubicPacking
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Copyright © 2008 Pearson Prentice Hall, Inc. Chapter 10/14
Unit Cells and the Packing of Spheres in Crystalline Solids
Cubic Closest-Packing
Hexagonal Closest-Packing
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Copyright © 2008 Pearson Prentice Hall, Inc. Chapter 10/15
Unit Cells and the Packing of Spheres in Crystalline SolidsUnit Cell: A small repeating unit that makes up a crystal.
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Primitive cubic unit cell
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Primitive cubic unit cell Body-centeredcubic unit cell
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Body-centeredcubic unit cell
Primitive cubic unit cell
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Face-centered cubic unit cell
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Face-centered cubic unit cell
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Structures of Some Ionic Solids
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Structures of Some Ionic Solids
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H46 – C10
• 10.11 – 10.16, 10.23, 10.25,10.73 – 10.77(odd), 10.79*, 10.83*, 10.115, 10.121*