ScienceYears 10–11Chemistry — Rates and Equilibrium

Rates of reaction and equilibrium

Explain factors affecting rate of reaction (collision theory), catalysts, and reversible reactions/dynamic equilibrium

What you'll learn

  1. 1

    Think about making a cup of tea 🫖 — the hotter the water, the faster the tea bag releases its flavour. That's a rate of reaction!

  2. 2

    What does 'rate of reaction' mean?

  3. 3

    Let's work out how temperature affects a reaction between fizzy tablets and water 💊💧

  4. 4

    Watch the particles collide — hotter means more energy!

  5. 5

    Why does a higher temperature make a reaction faster?

  6. 6

    Now try increasing concentration — more particles means more collisions per second!

  7. 7

    What happens to the rate if you use a bigger piece of solid (less surface area)?

Practise Rates of reaction and equilibrium with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 14–16. Aligned to the UK National Curriculum.