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2.2 Thermal properties and temperature

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Question 116

A sealed, rigid canister is partially filled with a liquid. A heater is used to warm the canister and its contents.

a.

Before the liquid reaches its boiling point, evaporation occurs. Describe two differences between the evaporation and boiling of a liquid.

[2]
b.

As the canister is heated, the pressure inside the canister increases. Explain this increase in pressure in terms of the behavior and motion of the particles.

[5]
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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