Microscale chemistry: oxygen and methylene blue

Test for oxygen gas produced from the reaction between hydrogen peroxide and potassium manganate (VII) using methylene blue solution

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Back to basics with spectrophotometry
2021-01-20T03:00:00Z
How to demonstrate the Beer–Lambert law using your smartphone as a light meter
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Smartphone spectroscopy: Beer–Lambert law
Use your smartphone to measure changes in concentration across different concentrations of squash at home or in the classroom. Use your results to predict the concentration of an unknown dilution of squash.
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The real prize of entering STEM competitions
2020-12-10T10:23:00Z
Both you and your students can gain a lot from participating in science competitions besides winning

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The Gibbs free energy | Post-16 thermodynamics tutorials
Use this tutorial, including a video demonstration, to help post-16 students learn about equilibrium, the Gibbs free energy and the feasibility of reactions.
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Entropy | Post-16 thermodynamics tutorials
Try this tutorial with accompanying videos to help teach students on post-16 courses about the concept of entropy and the second law of thermodynamics.
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Chemical reactions | Post-16 thermodynamics tutorials
Use this tutorial with videos to explore how the chance behaviour of particles and energy determines the direction and reversibility of chemical reactions.