Rates of ReactionIntroduction

The Dance of Dynamic Balance

Part of Equilibrium (HT)GCSE Chemistry

This introduction covers The Dance of Dynamic Balance within Equilibrium (HT) for GCSE Chemistry. Revise Equilibrium (HT) in Rates of Reaction for GCSE Chemistry with 20 exam-style questions and 15 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 1 of 13 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 1 of 13

Practice

20 questions

Recall

15 flashcards

📖 The Dance of Dynamic Balance

Imagine a crowded dance floor where people are constantly moving between two rooms. Sometimes more people flow into Room A, sometimes into Room B. But if the same number of people enter each room every minute as leave it, the rooms stay at constant "fullness" — even though everyone is still moving. This is dynamic equilibrium. In chemistry, reversible reactions reach a point where the forward and backward reactions happen at exactly the same rate. Nothing seems to change, but at the molecular level, everything is still reacting. And here's the clever part: if you disturb this balance, the system shifts to restore it. This is Le Chatelier's Principle.
⚖️ The Stubborn Scale Analogy

Equilibrium is like a stubborn balance scale! If you add weight to one side, the scale shifts to oppose the change. Add more reactants? The system shifts to make more products. Increase pressure? It shifts to the side with fewer gas molecules. The system always tries to counteract what you do — that's Le Chatelier's Principle!

Keep building this topic

Read this section alongside the surrounding pages in Equilibrium (HT). That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Equilibrium (HT)

At dynamic equilibrium, which of the following is true?

  • A. The rate of the forward reaction equals the rate of the reverse reaction
  • B. The concentrations of reactants and products are always equal
  • C. The forward reaction stops and only the reverse reaction continues
  • D. All chemical reactions have stopped
1 markfoundation

Explain the effect of increasing temperature on the position of an equilibrium where the forward reaction is exothermic.

2 marksstandard

Quick Recall Flashcards

What is dynamic equilibrium?
When rate of forward reaction = rate of backward reaction in a closed system
State Le Chatelier's Principle
If a system at equilibrium is disturbed, it will shift to counteract/oppose the change

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