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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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Quote of the day
Perhaps….some day the precision of data will be brought so far that the mathematician will be able to calculate at his desk the outcome of any chemical combination, in the same way, so to speak, as he calculates the motion of celestial bodies.
(Antoine-Laurent Lavoisier, 1743-1794)
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As the solo chemistry teacher at an international school, introducing the IB, this site literally "saved my skin" -never felt alone and a wonderful resource. Highly recommended
Robert Nolan
Internationale Friedensschule Köln (Germany)
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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...
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- Hi William, Thank you so much for the positive feedback - I appreciate it, especially as I wrote the article as a blog in 2010 just before this website went live in January 2011. One of the twenty NIS schools in Kazakhstan I helped to...
- Enjoyed reading this article, thanks.
- Hello SunKyung, At 25 oC, [H+(aq)] from water = 1.00 x 10-7 mol dm-3 so 1.00 x 10-9 mol dm-3 HCl(aq) will have virtually no effect on the concentration of H+(aq) in the aqueous solution so pH = very slightly less than 7.