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  • 21 May 2024
    Geoffrey Neuss
    Research design
    Hello Pete, If you look at the assessment criteria for Research and Design (p78 in the guide) it states "... include a concise description of the system in which the research question is embedded, and include background theory of direct relevance."...
  • 21 May 2024
    Peter Durning
    Research design
    Hi Geoff, Question regarding background information - in your interpretation of the new IA criteria, does background information belong more in the Research Design section, or more the Conclusion section?  The language has changed...
  • 21 May 2024
    Ivan Perez
    Rates of reaction questions
    Many thanks for the explanation, Geoffrey.
  • 21 May 2024
    Geoffrey Neuss
    Major changes for the 2023 programme
    Yes, Andrew - you are correct. A mole is an SI base unit and is defined as exactly 6.02214076 × 1023 elementary entities . In the Guide under S1.4.1 it states "One mole contains exactly the number of elementary entities given by the Avogadro...