All Problems

Molecules and Crystals

Problem 6.193

Can one consider the temperatures 20 and 30 K30 \mathrm{~K} as low for a crystal whose heat capacities at these temperatures are equal to 0.226 0.226 and 0.760 J/mol⋅K) 0.760 \mathrm{~J} / \mathrm{mol} \cdot \mathrm{K}) ?

Reveal Answer
6.193 . Yes, because the heat capacity is proportional to T3T^{3} at these temperatures.
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