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Dick Pirie's Podcast

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

Weekly hand curated podcast episodes for learning

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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.

42mins

22 May 2010

Rank #1

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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.

13mins

22 May 2010

Rank #2

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LPHS Year 12 Chemistry Quantitative Chem Empirical Formula to Molecular Formula

How to relate emirical formula to molecluar formula and why

26mins

22 May 2010

Rank #3

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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.

29mins

22 May 2010

Rank #4

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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.

27mins

22 May 2010

Rank #5

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LPHS Year12 Chemistry Quant_2_stoichiometry

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

15mins

7 May 2010

Rank #6

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LPHS Year12 Chemistry Quantitative_1

Introduction to quantitative chemistry - the mole

46mins

7 May 2010

Rank #7

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LPHS Year13 Biology DNA_5

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

32mins

7 May 2010

Rank #8

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LPHS Year13 Biology DNA_4

Introduction to DNA at Year 13. Structure and function.

50mins

7 May 2010

Rank #9

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LPHS Year13 Biology DNA_4

The fourth lesson on DNA. Structure and function

30mins

7 May 2010

Rank #10