chem notes 10-08

chem notes 10-08 - October 08, 2007 Dr. Stevens Gen. Chem....

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October 08, 2007 Dr. Stevens Gen. Chem. 1 Chapter 4 Review Summary of writing molecular ionic and net ionic equation: Elect: write SA/SB and soluble salts as ionic species (aq) Example: -molecular KOH + HCl H2O + KCl -ionic: K+ + OH- + H+ + Cl- H2O + K+ + Cl- -net ionic: H+ + OH- H2O -K+ and Cl- = spectator ions Example: -HF + NaOH H2O + NaF -ionic: HF + Na+ + OH- H2O + Na+ + F- -net ionic: HF + OH- H2O + F- -Na+ = spectator ion Chapter 12 Objectives: 1. Know, ID, and rank intermolecular forces 2. ID substances that are miscible Intermolecular forces (IMF): Intramolecular forces: bond within (strong: 400-900 kJ/mol) Intermolecular forces: forces between molecules (not as strong as a bond: 50-90 kJ/mol) Breaking forces: H2O(l) H2O (g) Ranking point (imf): Imf increases with mass of molecule Imf increases with strength of charge Measure of imf = Bp, wp 1. Srongest (MUCH stronger than all): IONIC -occurs for all ionic molecules
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This note was uploaded on 04/23/2008 for the course CH 151 taught by Professor Stevens during the Fall '08 term at Whitworth University.

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chem notes 10-08 - October 08, 2007 Dr. Stevens Gen. Chem....

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