Dick Pirie's Podcast

Dick Pirie
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Audio of class lessons in Chemistry and Biology from Logan Park High School, Dunedin New Zealand

  1. 05/22/2010

    12 Bio Mendelian Genetics - the monohybrid cross_1

    Mendelian genetics is the process of working out probability using punnett squares. We look at where alleles come from and what they do and how you can predict the inheritance of them.

    42 min

  2. 05/22/2010

    LPHS Year 12 Chemistry Quantitative Chemistry Solutions

    Moles are counting numbers. Lots of chemistry happens in solutions so here we look at measuring and expressing how much substance is dissolved in a solute giving concentration.

    13 min
  3. LPHS Year 12 Chemistry Quantitative Chem Empirical Formula to Molecular Formula

    05/22/2010

    LPHS Year 12 Chemistry Quantitative Chem Empirical Formula to Molecular Formula

    How to relate emirical formula to molecluar formula and why

    27 min
  4. LPHS Year 12 Chemistry Quantitative Chemistry Empirical Formula_1

    05/22/2010

    LPHS Year 12 Chemistry Quantitative Chemistry Empirical Formula_1

    Analysis of compounds gives Percentage composition. So we look at percentage composition and then how to calculate the simplest ratio of elements.

    29 min
  5. LPHS Year 12 Chemistry Quant_3

    05/22/2010

    LPHS Year 12 Chemistry Quant_3

    The third class on quantitative chemistry. Analysing the analysis of the reaction between Magnesium and oxygen. Based on an experiment. Unpacking quantitative chemistry some more.

    27 min
  6. LPHS Year12 Chemistry Quant_2_stoichiometry

    05/07/2010

    LPHS Year12 Chemistry Quant_2_stoichiometry

    More on the mole and the importance of mole ratios - stoichiometry

    16 min
  7. LPHS Year12 Chemistry Quantitative_1

    05/07/2010

    LPHS Year12 Chemistry Quantitative_1

    Introduction to quantitative chemistry - the mole

    47 min

  8. 05/07/2010

    LPHS Year13 Biology DNA_5

    More about DNA. DNA replication - the first pass as well as where DNA replication happens.

    33 min
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Audio of class lessons in Chemistry and Biology from Logan Park High School, Dunedin New Zealand

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