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Hui Jin's Sample PPT - Chem 111

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An example using PowerPoint for Chem 111 course

Hui Jin's Sample PPT - Chem 111

  1. 1. <ul><li>General Notes </li></ul><ul><li>Prelab quiz on exp 4 next week </li></ul><ul><li>Photocopy your exp 10 notes </li></ul><ul><li>Before coming to lab next week </li></ul><ul><li>Formal report due in two weeks </li></ul>
  2. 2. <ul><li>Title page </li></ul><ul><li>Name, date, section, TA’s name, partners’ name (their section and TA’s name if different) etc </li></ul><ul><li>Introduction </li></ul><ul><li>What is water hardness and why it is important </li></ul><ul><li>Different water hardness analysis methods: AA, TDS and ETDA </li></ul><ul><li>Description of your project and hypothesis </li></ul><ul><li>Procedure </li></ul><ul><li>Refer to Chemtrek book </li></ul><ul><li>Brief summary of experimental steps: AA, TDS, EDTA and water softening </li></ul>
  3. 3. <ul><li>Results </li></ul><ul><li>Show all group’s data: cite your partners’ data properly </li></ul><ul><li>Mostly graphs and tables </li></ul><ul><li>AA data: calibration data and graph, converting your absorbance to ion ppm, and converting ion ppm to CaCO 3 ppm </li></ul><ul><li>EDTA data: concentration calculation, converting to different hardness value </li></ul><ul><li>Water softening results </li></ul><ul><li>Sample calculation for each different calculation </li></ul>
  4. 4. <ul><li>Discussion </li></ul><ul><li>Compare AA and EDTA results </li></ul><ul><li>Compare different water softening methods </li></ul><ul><li>Evaluate your hypothesis and explain differences </li></ul><ul><li>Conclusion </li></ul><ul><li>Summary of your discussion </li></ul><ul><li>References </li></ul><ul><li>Cite your lab partners, Chemtrek, and one general chemistry book </li></ul><ul><li>6 additional outside references (commercial website not count, wikipedia no more than once </li></ul>
  5. 5. <ul><li>Misc </li></ul><ul><li>Typed </li></ul><ul><li>Double spaced </li></ul><ul><li>Page numbered </li></ul><ul><li>Stapled </li></ul><ul><li>5-10 pages long </li></ul>
  6. 6. Name Hui 5 Kyle 6 Guy 7 Greg 8 Water Sample Source From tap water at Bellfonte, PA. From water fountain 15 ft away from a spring at Bellfonte, PA. From Dasani bottle water. Label states that water is from spring water at Bellfonte, PA. From Dasani bottle water. Label does not state water source. Raw Absorbance from AA Ca: 0.3445 Mg: 0.4173 Ca: 0.3444 Mg: 0.4112 Ca: 0.0130 Mg: 0.1600 Ca: 0.0249 Mg: 0.1054 Calculated Hardness from AA Ca: 71.5ppm Mg: 72.1ppm Total hardness: 144 + 1 ppm Ca: 71.5ppm Mg: 71.0ppm Total hardness: 143 + 1 ppm Ca: 0ppm Mg: 24.8ppm Total hardness: 25 + 1 ppm Ca: 0.8ppm Mg: 14.8ppm Total hardness: 16 + 1 ppm TDS results White circle shape residue. More residue than Ca 2+ solution. White circle shape residue. More residue than Ca 2+ solution. White circle shape residue. Less residue than Ca 2+ solution. White circle shape residue. Less residue than Ca 2+ solution. EDTA titration 220 + 20 ppm 13 + 1grains per gallon 160 + 20 ppm 9 + 1 grains per gallon 40 + 20 ppm 2 + 1 grains per gallon 40 + 20 ppm 2 + 1 grains per gallon Softening by Washing Soda 140 + 20 ppm 140 + 20 ppm 0 ppm 40 + 20 ppm * Softening by Ion Exchange Resin 40 + 20 ppm 0 ppm 0 ppm 60 + 20 ppm *
  • kapil

    Oct. 21, 2008

An example using PowerPoint for Chem 111 course

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