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2.2 Thermal properties and temperature

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Question 131

Liquid alcohol of mass 250 g at its boiling point is converted into alcohol vapour at the same temperature. The specific latent heat of vaporisation of this alcohol is 860 J/g.

How much thermal energy is absorbed by the alcohol?

A

3.44 J3.44\text{ J}3.44 J

B

215 J215\text{ J}215 J

C

215 000 J215\,000\text{ J}215000 J

D

215 000 000 J215\,000\,000\text{ J}215000000 J

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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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