Entropy | Post-16 thermodynamics tutorials

A photograph of a lit glass bulb exploding against a dark blue-black background

Source: Royal Society of Chemistry

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.

Entropy gives scientists a mathematical way of measuring randomness, relating to the number of arrangements of particles that lead to a particular state.

This tutorial is designed to develop and consolidate students’ understanding of entropy as a fundamental concept in thermodynamics. Students build on their knowledge about the chance behaviour of particles and energy to learn about:

  • The second law of thermodynamics
  • The role of energy in determining the entropy or randomness of a chemical system
  • Entropy change and how to calculate it

The tutorial also features video demonstrations and animations to illustrate key ideas.

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