15 September 2023

Collection over water


 A simple experiment that always seems to create problems for students - how to fill a measuring cylinder with water and then invert it without getting a drop of air inside. Cling film works best 

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“Why the Rate-Determining Step Is Not Always Obvious” A-Level Chemistry

  “Why the Rate-Determining Step Is Not Always Obvious” A student sees a three-step mechanism and immediately chooses the slowest-looking s...