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2.2 Thermal properties and temperature

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Question 3
a.

Describe an experiment to determine the specific heat capacity of a copper block. Include in your answer:

  • the measurements made
  • any equations needed.
[5]
b.

A copper mug is initially at room temperature (20∘C20^\circ\text{C}20∘C). Hot water at (90∘C90^\circ\text{C}90∘C) is poured into the copper mug.

Explain why, after a short time, the copper mug and the water reach the same temperature.

[2]
c.

Explain, in terms of its particles, why the copper expands as the hot water is poured into the mug.

[2]
d.

Some water in the mug evaporates. Explain, in terms of water molecules, how evaporation causes the temperature of the remaining water to decrease.

[2]
Markscheme

2.2 Thermal properties and temperature Questions

  1. IGCSE
  2. /Physics
  3. /2.2 Thermal properties and temperature

528 exam-style questions on CIE IGCSE Physics 2.2 Thermal properties and temperature, covering 2.2.1 Thermal expansion of solids, liquids and gases, 2.2.2a Internal energy and temperature, 2.2.2b Specific heat capacity, 2.2.3a Melting, boiling, condensation and solidification, 2.2.3b Evaporation, and 2.2.3c Cooling by evaporation. Each one has a worked solution and a mark scheme showing where the marks go.

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