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2.2 Thermal properties and temperature

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Question 330

During the process of evaporation, some particles escape from the surface of a liquid.

Which row in the table shows the energy of the escaping particles compared to the average energy of the liquid particles, and the temperature change of the remaining liquid?

Energy of escaping particlesTemperature of remaining liquid
Ahigher than averagedecreases
Bhigher than averageincreases
Clower than averagedecreases
Dlower than averageincreases
A

higher than average | decreases

B

higher than average | increases

C

lower than average | decreases

D

lower than average | increases

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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