Energy Calculations (2)
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Energy Calculations (2)

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Energy Calculations presented by Diana Mason, Deborah Koeck and Joyce Kulhanek, ACT2 2010 ...

Energy Calculations presented by Diana Mason, Deborah Koeck and Joyce Kulhanek, ACT2 2010
The TEA has issued and implemented major revisions to the chemistry TEKS. Chemistry is usually the first course students take that requires them to understand how to solve problem that can't just simply be memorized. Even though these new standards have been aligned with algebra I, the actual use of this knowledge is in the middle to higher levels of Bloom's Taxonomy (application, analysis and synthesis). There is also a new emphasis on mathematics that will be incorporated into the Chemistry STAAR exams. This workshop will take 12 (or more) calculations from the revised TEKS that are also documented in the Texas College and Career Readiness Standards and will share teaching suggestions and activities supporting calculations of wavelength, frequency, Planck's constant and the speed of light, and calorimetry.

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Energy Calculations (2) Energy Calculations (2) Presentation Transcript

  • A Dozen or More Calculations Energy – Acid and Base Reactions Mason, Koeck, and Kulhanek
  • BCCE August 1-5 University of North Texas Denton, Texas
  • TEKS Development and Correlation to CCRS Lone Star Chemistry Solutions https://callevents.unt.edu/ei/getdemo.ei?id=3&s=_3000VYEX3
  • Engagement Mean Green Foam Machine
    • Classically…..Elephant’s Toothpaste
  • Engagement Hot or Cold?
    • Baking Soda and Vinegar Balloons
  • Exploration Acid or Base?
    • Red Cabbage Indicator Paper
  • Explanation Conceptual Understanding Anthrcyanine Dyes Paper Preparation and Use Colors Empirically Use of pH Probes
  • Elaboration Endothermic or Exothermic? Materials: Paper matrix of Common Household Acids and Bases Vernier Temperature Probes Hypothesis Experimentally verify
  • Evaluation What Percentage were Correct?
    • Neutralization reactions forming gases
    • Neutralization reactions tha remain in solution
  • A Dozen or More Calculations Additional Concepts Hess’ Law, Specific Heat, Thermochemical Equations