02 May 2025

Oil and Water


 Separating oil and water with a separating funnel? Easy. First I asked students to separate mixtures— They came up with tweezers for salt (briefly), syringing oil from water (messy). Lesson ended with laughter and learning.

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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...