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chef wants to melt 0.5kg of chocolate. Describe the movement of particles in the chocolate before it is heated $17.99   Add to cart
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chef wants to melt 0.5kg of chocolate. Describe the movement of particles in the chocolate before it is heated
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chef wants to melt 0.5kg of chocolate. Describe the movement of particles in the chocolate before it is heated

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  • November 12, 2023
  • 37
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • chef wants to melt 05kg of chocolate describe

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  • Nursing
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V.S.U AQA GCSE COMBINED SCIENCE PHYSICS PAPER
1 HIGHER QUESTION.VSU 2023.Download to score A

, 3 of
17


0 wants
A chef 1 to melt 0.5kg of chocolate.
0 1
. 1

Describe the movement of particles in the chocolate before it is heated.

[1 mark]




0 1
. 2 The chef heats the chocolate over a pan of boiling water. The temperature of the
chocolate increases by 9°C.

The energy transferred to the chocolate was 9450J. Calculate the
specific heat capacity of the chocolate.
Use the correct equation from the Physics Equation Sheet.

[3 marks]




specific heat capacity = J/kg °C


0 1
. 3 When the chocolate reaches 30°C, it starts to melt.

, 3 of
17


The energy required for all of the chocolate to melt can be calculated using the equation:

thermal energy for a change of state = mass × specific latent heat


What is the difference between specific heat capacity and specific latent heat?

[2 marks]




0 1
. 4 Describe what happens to the temperature of the chocolate as it melts.

[1 mark]

,

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