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Area 4: Properties of Matter

Quick questions on Specific latent heat of fusion and vaporisation - SQA National 5 Physics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State what is meant by the specific latent heat of fusion of a material. [1 mark]
What is q2?
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Calculate the energy needed to melt 0.25 kg0.25 \text{ kg} of ice (L=3.34×105 J kg−1L = 3.34 \times 10^5 \text{ J kg}^{-1}). [2 marks]
What is q3?
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State why the temperature does not change while a substance is boiling. [1 mark]

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