With increase in temperature, the atomic heat capacities of all solid elements_________________?
Correct answer: D. Increases
- A. Decreases linearly
- B. Decreases
- C. Remains unchanged
- D. Increases
Explanation
The heat capacity of a solid generally rises with temperature as additional lattice vibrational modes become excited, approaching the Dulong-Petit value at high temperature. Thus the conventional trend is an increase, although real solids can show low-temperature deviations.
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