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IB Approved Workshops
Chemistry (New Syllabus)
IB DP Category 2
Berlin, Germany, 23 - 25 August 2024
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Chemistry (New Syllabus)
IB DP Category 1
Online (IB Approved), 25 - 27 October 2024
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Easy, user friendly site that enables the teachers to easily access to a wealth of materials, questions, TOK, nature of science and exam questions.
Robert Macbeth
Institut Montana Zugerberg (Switzerland)
Quote of the day
I have seen many phases of life; I have moved in imperial circles, I have been a Minister of State; but if I had to live my life again, I would always remain in my laboratory, for the greatest joy of my life has been to accomplish original scientific work, and, next to that, to lecture to a set of intelligent students.
Jean-Baptiste-André Dumas, 1800-1884
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A useful chromatography resource from the RSC
The Royal Society of Chemistry has just published a useful resource for students that covers chromatography for the 16-18 year age group. It...
Progress in carbon capture?
This blog looks at a promising recent development which could lead to capturing carbon dioxide emissions from the combustion of fossil fuels...
Subscriber commentsSee all
- Dear Geoffrey, On pg. 102 of your excellent IB guide, I may be mistaken, but reading under Gibbs energy change and equilibrium constant' , but if Q is 0 lnQ=1, does that not make DG= DG(Standard) + RT, instead of DG= DG(Standard). Kind...
- Thank you for spotting this Radhika - I've corrected it now.
- In q 4 hcl is limiting so hydrogen should be half of mole of hcl..?
- Hello Xiaodan, I think you have put it very well and are correct. Students intuitively realise that energy needs to be put in to break a chemical bond but it is less obvious that the same amount of energy is given out when the same bond is...