Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 18 - Temperature, Heat, and the First Law of Thermodynamics - Questions - Page 540: 9a

Answer

The specific heat for the liquid state is greater than that for the solid state.

Work Step by Step

We can write an expression for a material when it absorbs or releases heat $Q$: $Q = cm~\Delta T$ It is given in the question that the rate of heat loss is constant. Thus the value of $c~\Delta T$ is constant over time as the liquid cools or as the solid cools. Since the magnitude of $\Delta T$ over time is less in the liquid state than in the solid state, the value of $c$ in the liquid state must be greater than the value of $c$ in the solid state. That is, the specific heat for the liquid state is greater than that for the solid state.
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