Learning objective
Define an exothermic reaction as one that transfers energy to the surroundings.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Exothermic and endothermic reactions
Subtopic
Energy transfer during exothermic and endothermic reactions
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Quick explanation
Define an exothermic reaction as one that transfers energy to the surroundings
- This point belongs to Exothermic and endothermic reactions, especially Energy transfer during exothermic and endothermic reactions.
- You need to be able to define an exothermic reaction as one that transfers energy to the surroundings.
- The key ideas to know are exothermic reaction and surroundings.
- 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 Energy transfer during exothermic and endothermic reactions to exam-style questions, flashcards, and revision notes for Exothermic and endothermic reactions.
Quick student answer
What is an exothermic reaction?
Direct answer
In Chemistry, this page helps you answer questions about an exothermic reaction 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 Exothermic reaction and Surroundings.
Key terms
- Exothermic reaction: A reaction that transfers energy to the surroundings. In Energy transfer during exothermic and endothermic reactions, this term is used specifically to support the learning objective: define an exothermic reaction as one that transfers energy to the surroundings.
- Surroundings: The environment around a chemical reaction where energy transfer occurs. In Energy transfer during exothermic and endothermic reactions, this term is used specifically to support the learning objective: define an exothermic reaction as one that transfers energy to the surroundings.
Common trap
Misunderstanding Exothermic Reactions: Remember that an exothermic reaction is defined as one that transfers energy to the surroundings, resulting in a release of heat.
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Revision notestopic notes
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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
- 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
- Describe everyday uses of exothermic reactions, including self-heating cans and hand warmers.
Energy transfer during exothermic and endothermic reactions