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2.2 Thermal properties and temperature

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Question 13

Two different liquids, Liquid A and Liquid B, of equal mass are placed in identical beakers. Liquid A is heated for 180 s180\text{ s}180 s and Liquid B is heated for 60 s60\text{ s}60 s by heaters of the same constant power. The temperature of both liquids increases by the same amount.

a.

Determine the ratio of the thermal capacity of Liquid A to the thermal capacity of Liquid B, CACB\frac{C_A}{C_B}CB​CA​​.

[4]
b.

Which liquid has the higher specific heat capacity?

[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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