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14.2 Specific heat capacity and latent heat

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Question 6

An engineer is testing a new high-temperature alloy block designed for a concentrated solar power plant's thermal storage system. Table 1 shows the experimental data recorded during a heating cycle.

Table 1

ParameterValue
Mass of alloy block2.5 kg
Initial temperature of block120 ∘C120 \text{ }^\circ\text{C}120 ∘C
Final temperature of block480 ∘C480 \text{ }^\circ\text{C}480 ∘C
Thermal energy supplied450,000 J450,000 \text{ J}450,000 J

Using data from Table 1, calculate the specific heat capacity of the alloy.

Use the equation:

specific heat capacity=change in thermal energymass×increase in temperature \text{specific heat capacity} = \frac{\text{change in thermal energy}}{\text{mass} \times \text{increase in temperature}} specific heat capacity=mass×increase in temperaturechange in thermal energy​
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14.2 Specific heat capacity and latent heat Questions

  1. GCSE
  2. /Physics
  3. /14.2 Specific heat capacity and latent heat

36 exam-style questions on Edexcel GCSE Physics 14.2 Specific heat capacity and latent heat, covering 14.2.1 Heating, temperature and changes of state, 14.2.2 Specific heat capacity and specific latent heat, 14.2.3 Specific heat capacity calculation, 14.2.4 Specific latent heat calculation, and 14.2.5 Reducing energy transfer through thermal insulation. Each one has a worked solution and a mark scheme showing where the marks go.

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