Learning objective
Explain that reacting particles must collide with sufficient energy for a reaction to occur.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Topic
Exothermic and endothermic reactions
Subtopic
Reaction profiles
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Understand this objective
Quick explanation
Explain that reacting particles must collide with sufficient energy for a reaction to occur
- This point belongs to Exothermic and endothermic reactions, especially Reaction profiles.
- You need to be able to explain that reacting particles must collide with sufficient energy for a reaction to occur.
- The key ideas to know are sufficient energy.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Reaction profiles to exam-style questions, flashcards, and revision notes for Exothermic and endothermic reactions.
Quick student answer
How do you explain reacting particles must collide with sufficient energy for a reaction to occur?
Direct answer
In Chemistry, this page helps you answer questions about reacting particles must collide with sufficient energy for a reaction to occur within Exothermic and endothermic reactions. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Collision theory and Activation energy.
Key terms
- Collision theory: The theory that chemical reactions occur only when reacting particles collide with sufficient energy.
- Activation energy: The minimum energy that reacting particles must possess for a reaction to occur. In Reaction profiles, this term is used specifically to support the learning objective: explain that reacting particles must collide with sufficient energy for a reaction to occur.
Common trap
Misunderstanding Collision Theory: Emphasize that for a reaction to occur, particles must collide with sufficient energy, known as activation energy.
Related questions
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Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- State that energy is conserved in chemical reactions.
Energy transfer during exothermic and endothermic reactions
- Explain that a reaction transferring energy to the surroundings leaves products with less energy than the reactants by the amount transferred.
Energy transfer during exothermic and endothermic reactions
- Define an exothermic reaction as one that transfers energy to the surroundings.
Energy transfer during exothermic and endothermic reactions
- Explain that the temperature of the surroundings increases during an exothermic reaction.
Energy transfer during exothermic and endothermic reactions
- Identify combustion, many oxidation reactions and neutralisation as examples of exothermic reactions.
Energy transfer during exothermic and endothermic reactions