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  • hello Geoff. I just want to ask you. Do particles stop moving at absolute zero? Because we are having a dialogue with physics teachers about it. They are saying that particles sill have motion and kinetic energy. 
  • Hello Fulya,Ethanal (acetaldehyde) gives two signals (with an integration trace of 3:1) in its low-resolution 1H NMR spectrum as it contains protons in two different chemical environments. The splitting of these two signals will be shown in...
  • Hi,I have a question about Question 6, I wonder how ethanal will have a doublet in its H NMR spectrum,Many thanks
  • 25 April 2024
    Geoffrey Neuss
    R3.2 (AHL) Electrochemical cells
    Hello Leonie, I think that delivering the new syllabus by placing the emphasis more on the underlying concepts is a great idea and compared to past syllabuses I think you will find that you have more time to do this as the content is definitely...