Five Rate Factors — Side by Side
Part of Factors Affecting Rate · GCSE GCSE Chemistry revision
This comparison covers Five Rate Factors — Side by Side within Factors Affecting Rate for GCSE Chemistry. Revise Factors Affecting Rate in Rates of Reaction for GCSE Chemistry with 24 exam-style questions and 18 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 6 of 13 in this topic. Use this comparison to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 6 of 13
Practice
24 questions
Recall
18 flashcards
⚖️ Five Rate Factors — Side by Side
| Factor | Change | What Increases? | Effect on Ea? |
|---|---|---|---|
| Temperature | ↑ | Collision frequency AND proportion with E ≥ Ea | Unchanged |
| Concentration | ↑ | Collision frequency only | Unchanged |
| Pressure (gases) | ↑ | Collision frequency only | Unchanged |
| Surface area | ↑ | Collision frequency (exposed particles) | Unchanged |
| Catalyst | Added | Proportion of collisions with E ≥ Ea | Lowered |
Keep building this topic
Read this section alongside the surrounding pages in Factors Affecting Rate. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Factors Affecting Rate
Which of the following factors does NOT affect the rate of a chemical reaction?
Explain, in terms of particles, why increasing temperature increases the rate of reaction.
Quick Recall Flashcards
24 questions on Factors Affecting Rate — practise free
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