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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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Recommendations
I have used InThinking for many years and have found it an invaluable source of information for all things IB Chemistry. Geoff is a legend in the world of IB Chem and is both supportive and quick to respond to all queries. I would advocate...
James Midgley
Australian Internatonal School (Singapore)
Quote of the day
The text-book is rare that stimulates its reader to ask, Why is this so? Or, How does this connect with what has been read elsewhere?
(John Norman Collie, 1859-1942)
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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...