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Learning objective

(Physics only) (HT only) Explain that compressing a gas can increase its internal energy.

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Topic

Particle model and pressure

Subtopic

Increasing the pressure of a gas (physics only) (HT only)

Aqa Gcse PhysicsParticle model of matter

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Quick explanation

(Physics only) (HT only) Explain that compressing a gas can increase its internal energy

  • This point belongs to Particle model and pressure, especially Increasing the pressure of a gas (physics only) (HT only).
  • You need to be able to (Physics only) (HT only) Explain that compressing a gas can increase its internal energy.
  • The key ideas to know are HT only and internal energy.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

HT onlyinternal energy

Why it matters

This objective helps connect Increasing the pressure of a gas (physics only) (HT only) to exam-style questions, flashcards, and revision notes for Particle model and pressure.

Quick student answer

What should you know about (Physics only) (HT only) Explain that compressing a gas can increase its internal energy?

Direct answer

In Physics, this page helps you answer questions about (Physics only) (HT only) Explain that compressing a gas can increase its internal energy within Particle model and pressure. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Internal energy and Compression work.

Key terms

  • Internal energy: In Increasing the pressure of a gas (physics only) (HT only), Internal energy means in Increasing the pressure of a gas (physics only) (HT only), Internal energy means the total kinetic and potential energy of all gas particles within a system. Use this term when explaining (Physics only) (HT only) Explain that compressing a gas can increase its internal energy in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) (HT only) Explain that compressing a gas can increase its internal energy in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.
  • Compression work: The work done on a gas when its volume is reduced, transferring energy to the gas particles

Common trap

Confusing Internal Energy with Temperature: To fix this, remember that while increasing internal energy can lead to a temperature increase, it depends on the specific heat capacity of the gas and the amount of work done on it. Focus on understanding the relationship between internal energy, temperature, and the physical processes involved.

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