Learning objective
Describe everyday uses of exothermic reactions, including self-heating cans and hand warmers.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
0
Flashcards
0
Questions
Topic
Exothermic and endothermic reactions
Subtopic
Energy transfer during exothermic and endothermic reactions
Study support
Understand this objective
Quick explanation
Describe everyday uses of exothermic reactions, including self-heating cans and hand warmers
- This point belongs to Exothermic and endothermic reactions, especially Energy transfer during exothermic and endothermic reactions.
- You need to be able to describe everyday uses of exothermic reactions, including self-heating cans and hand warmers.
- The key ideas to know are hand warmer, exothermic reaction, and self-heating can.
- 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 are everyday uses of exothermic reactions, including self-heating cans and hand warmers?
Direct answer
In Chemistry, this page helps you answer questions about everyday uses of exothermic reactions, including self-heating cans and hand warmers 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 Self‑heating can and Hand warmer.
Key terms
- Self‑heating can: A container that releases heat to warm its contents, using an exothermic reaction such as the oxidation of iron powder.
- Hand warmer: A small, disposable packet that generates heat through an exothermic reaction, typically involving the oxidation of iron powder and salt.
Common trap
Misunderstanding Everyday Uses: Remember that exothermic reactions release energy to the surroundings, which is why hand warmers and self-heating cans generate heat.
Related questions
Try this as a practice card
Question 1 of 4
Choose an answer, get feedback, then move sideways through the set.
Flashcard prompts
Flip through the key recall cards
Flashcard 1 of 4
Practise next
Revision tools
Choose how to practise
Flashcards0 linked cards
Practice Questions0 linked questions
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