Chemistry 222     Spring 2010

 

Announcements: (4/26/10): Here is the Test 4+Final Preview Sheet

Syllabus: .html and .pdf formats    

Homework and Tests:

      Problem Set 1 (due 2/1/10):     Assignment     Key

      Problem Set 2 (due 2/8/10):     Assignment     Key

      Problem Set 3 (due 2/15/10):     Assignment     Key

      Test 1 (2/18/10):     Key     Scores     Grades

      Problem Set 4 (due 2/26/10):     Assignment     Key

      Problem Set 5 (due 3/8/10):     Assignment     Key

      Test 2 (3/11/10):     Key     Scores     Midterm Grades

      Problem Set 6 (due 3/24/10):     Assignment     Key

      Problem Set 7 (due 3/29/10):     Assignment     Key

      Problem Set 8 (due 4/5/10):     Assignment     Key

      Test 3 (4/8/10):     Key     Scores     Grades After 3 Tests       

      Problem Set 9 (due 4/16/10):     Assignment     Key

      Problem Set 10 (due 4/30/10):     Assignment     Key

Lecture Handouts and Transparencies:

Chapter 0:

     What is Analytical Chemistry? (1/25/10)

Chapter 27:

     Example Problem (1/29/10)

Chapters 3 and 4:

     Data Showing Random Error (2/1/10)

     Reducing Noise by Replicate Measurements (2/3/10)

     Chapter 4 Example Problems (2/3/10)

     Confidence Intervals (2/3/10)

     Calibration Curves (2/10/10)

Chapter 18:

     Standard Addition Example (2/19/10)

     Absorption Handout (2/22/10)

Chapter 20:

     Ultraviolet Absorption Spectrum of O₂ (3/1/10)

Chapter 8:

     More Accurate FeSCN²⁺ Calculation--Corrected (3/10/10)

Chapter 9:

     Rob Rossi's Notes on Monoprotic Acids and Bases and Buffers (3/25/10)

Chapter 10:

     Carbonic Acid (3/26/10)

     Simplistic Calculation of the pH of a Solution of Bicarbonate (3/31/10)

Chapter 11:

     Titration Curves for Monoprotic Acid + Base Titrations (4/7/10)

     Titration Curve for Dibasic Analyte + Strong Acid Titration (4/12/10)

Chapters 23-25:

     Calculating the Efficiency of Multiple Extractions (4/16/10)  

     Extracting a Weak Base out of an Organic Matrix (4/19/10)  

     A Gas Chromatogram with Highly Rational Retention Times (4/21/10) 

     Chromatography Simulator (see how the number of theoretical plates affects resolution) (4/28/10)  

     Two Factors Affecting Resolution in Chromatography (4/28/10)

     Temperature and Solvent Programming (4/30/10)

Laboratory Handouts and Other Information:

        Notebook Guidelines  (1/25/10) and Cabinet Inventory (1/28/10)

Experiment 1: Gravimetric Analysis of Fe (1/25/10):   Class Results     Grading Rubrics

Experiment 2: Spectrophotometric Analysis of Fe (due 2/26/10):   Class Results     Grading Rubrics

Experiment 3: Determination of Lead in Soil by Atomic Absorption Spectroscopy (due 4/1/10):     Mielke American Scientist paper     Mielke Chemical and Engineering News article     Sampling Details     Class Results     Grading Rubrics

     Note that the Pb stock solution consisted of 0.1597 g of Pb(NO₃)₂ dissolved in 1% nitric acid and diluted to a total volume of 1.000 L.

     Memo on Data Analysis for Experiment 3 --note that trying a quadratic fit to your calibration curve data is now required

Experiment 4: Analysis of an Acid-Base Titration Curve--the Gran Plot  (due 4/23/10):   Class Results     Grading Rubrics

Experiment 5: Gas Chromatography on Whiskey Samples  (due 5/5/10)--use Area % values in your data analysis:   Class Results     Grading Rubrics

Old Announcements:

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Last modified 5/4/2010