Chapter 11 Lecture 3

Chapter 11 Lecture 3 - Electrostatic Force of attraction F...

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Hydrogen Bonding: H …. . F, H…. . O, H …. .N Bond Strengths Covalent bond 150 kJ Hydrogen Bond 15 – 40 kJ Van der Walls 2 -20 kJ ICE Acetic Acid
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DNA – nucleic Acids Proteins – Amino Acids Hydrogen Bonding – Tertiary Structure of Large Molecules
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Surface Tension Formation of a “skin” Adhesion vs cohesion Meniscus The wall or the Liquid? Dirty Car – Clean Car
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Solids Amorphous Crystal Molecular Network Covalent Ionic Metallic For this chapter: MP of Ionic Crystals Dimensions of Cubic cell for Metallic Crystals
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How to predict Melting Point of Ionic Crystal
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Unformatted text preview: Electrostatic Force of attraction F F = Ionic Crystals Lattice Energy Melting Point Prediction Stronger Ionic Bond = Greater Lattice Energy = Higher MP NaCl, d = 270 pm, MP = 801 o C MgO, d = 205 pm, MP = 2832 oC Arrange the following in increasing MP: MgO, NaBr, NaCl, NaI Metallic Crystals: Unit Cells, simple cubic, body centered cubic, face centered cubic Barium has an atomic radius of 217 pm and a bcc crystal structure. What is the length of the unit cell?...
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This note was uploaded on 04/16/2008 for the course CHEM 1123 taught by Professor Paul during the Fall '06 term at Arkansas.

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Chapter 11 Lecture 3 - Electrostatic Force of attraction F...

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