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Cambridge IGCSE Physics

2.2.2Specific heat capacity

Specific heat capacity in Cambridge IGCSE Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic10 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 2.2.2.1Know that raising an object's temperature increases its internal energy.
  2. 2.2.2.2Supplement: explain a temperature rise as an increase in the average kinetic energy of all the particles.
  3. 2.2.2.3Supplement: define specific heat capacity as the energy needed per unit mass per unit temperature rise and use c = ΔE/(mΔθ).
  4. 2.2.2.4Supplement: describe experiments to measure the specific heat capacity of a solid and of a liquid.

Lessons

  • Specific heat capacity

    28 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Specific heat capacity: sample question

1 mark

How much energy is needed to heat 0.50 kg0.50\ \text{kg} of water from 25 ∘C25\ ^\circ\text{C} to 85 ∘C85\ ^\circ\text{C}? The specific heat capacity of water is 4200 J/(kg ∘C)4200\ \text{J/(kg}\ ^\circ\text{C)}.

Answer in J.

Turn Specific heat capacity into a strength.

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