Learning objective
Explain that a reaction transferring energy to the surroundings leaves products with less energy than the reactants by the amount transferred.
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
Explain that a reaction transferring energy to the surroundings leaves products with less energy than the reactants by the amount transferred
- This point belongs to Exothermic and endothermic reactions, especially Energy transfer during exothermic and endothermic reactions.
- You need to be able to explain that a reaction transferring energy to the surroundings leaves products with less energy than the reactants by the amount transferred.
- The key ideas to know are 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 a reaction transferring energy to the surroundings leaves products with less energy than the reactants by the amount transferred?
Direct answer
In Chemistry, this page helps you answer questions about a reaction transferring energy to the surroundings leaves products with less energy than the reactants by the amount transferred 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 Endothermic reaction.
Key terms
- Exothermic reaction: A reaction that transfers energy to the surroundings, resulting in products with less energy than the reactants.
- Endothermic reaction: A reaction that takes in energy from the surroundings, resulting in products with more energy than the reactants.
Common trap
Confusing Energy Transfer: Remember that in an exothermic reaction, energy is transferred to the surroundings, resulting in products that have less energy than the reactants.
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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
- 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
- Describe everyday uses of exothermic reactions, including self-heating cans and hand warmers.
Energy transfer during exothermic and endothermic reactions