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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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Honestly speaking, this website is a "life-saver". It is one of the most useful and practical websites I have ever used for Chemistry. Huge thank you to your effort in putting together so many small pieces to produce such a holistic and great...
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Shanghai United International (China)
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Scientists have one thing in common with children: curiosity. To be a good scientist you must have kept this trait of childhood, and perhaps it is not easy to just retain this one trait. A scientist has to be curious like a child; perhaps one can understand that there are other childish features he hasn't grown out of.
Otto Robert Frisch, 1904-1979
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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
- Hello Helena, Thank you for your kind comment on the latest edition of my Study Guide. I'm glad you and your students are finding it so helpful.On page 102, the equation ΔG = ΔG⦵ + RTlnQ is being used to show how the value of ΔG changes...
- 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..?