Rates of ReactionComparison
Five Rate Factors — Side by Side
Part of Factors Affecting Rate — GCSE Chemistry
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 20 exam-style questions and 18 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. 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
20 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 |