MCQEasy1 mark
1
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A metal piece of mass 5 g has thermal capacity 2.5 J K⁻¹. If the mass of the metal is tripled, then its specific heat capacity will be : (a) 7.5 J K⁻¹ (b) 2.5 J K⁻¹ (c) 1.5 J g⁻¹ K⁻¹ (d) 0.5 J g⁻¹ K⁻¹
Topic: Specific heat capacity and thermal capacity
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Answer
Exam answer
(d) 0.5 J g⁻¹ K⁻¹.
Explanation
Specific heat capacity = thermal capacity/mass = 2.5/5 = 0.5 J g⁻¹ K⁻¹. It is independent of the amount of substance.
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