Learning objective
(chemistry only) (HT only) State that one mole of any gas at room temperature and pressure occupies 24 dm3.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Use of amount of substance in relation to volumes of gases (chemistry only) (HT only)
Subtopic
Gas volumes and amount of substance
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Quick explanation
(chemistry only) (HT only) State that one mole of any gas at room temperature and pressure occupies 24 dm3
- This point belongs to Use of amount of substance in relation to volumes of gases (chemistry only) (HT only), especially Gas volumes and amount of substance.
- You need to be able to (chemistry only) (HT only) State that one mole of any gas at room temperature and pressure occupies 24 dm3.
- The key ideas to know are mole, HT only, and 24 dm3.
- 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 Gas volumes and amount of substance to exam-style questions, flashcards, and revision notes for Use of amount of substance in relation to volumes of gases (chemistry only) (HT only).
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What should you know about (chemistry only) (HT only) State that one mole of any gas at room temperature and pressure occupies 24 dm3?
Direct answer
In Chemistry, this page helps you answer questions about (chemistry only) (HT only) State that one mole of any gas at room temperature and pressure occupies 24 dm3 within Use of amount of substance in relation to volumes of gases (chemistry only) (HT only). Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are mole and room temperature and pressure (RTP).
Key terms
- mole: A unit of measurement for amount of substance, defined as containing exactly 6.022 x 10^23 particles.
- room temperature and pressure (RTP): Standard conditions for gas measurements, typically defined as 20-25°C and 1 atmosphere pressure.
Common trap
Misunderstanding Gas Volume: Remember that at room temperature and pressure, one mole of any gas occupies 24 dm3, not 22.4 dm3. Use this value in calculations involving gas volumes.
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Open revision notesRelated learning objectives
- (chemistry only) (HT only) State that equal amounts in moles of gases occupy the same volume under the same temperature and pressure conditions.
Gas volumes and amount of substance
- (chemistry only) (HT only) Calculate the volume of a gas at room temperature and pressure from its amount in moles.
Gas volumes and amount of substance
- (chemistry only) (HT only) Calculate the volume of a gas at room temperature and pressure from its mass and relative formula mass.
Gas volumes and amount of substance
- (chemistry only) (HT only) Calculate amount in moles from gas volume at room temperature and pressure.
Gas volumes and amount of substance
- (chemistry only) (HT only) Calculate volumes of gaseous reactants and products from a balanced equation.
Gas volumes and amount of substance