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50.48. Devil´s, Vorobyyov
Uploaded: 16.03.2014
Content: 40316090458180.rar 8,98 kB
Product description
50.48. To find the relation of average length of free run of phonons to lattice parameter d at the room temperature in NaCl crystal if heat conductivity of at the same temperature is equal 71vt / (m • К). To calculate a thermal capacity under Neumann-Kopp´s law. Relative atomic masses: ANa=23, ACl=35,5; density of of a crystal is equal 2, l7 • To ³¬ú/m ³. To accept the average speed of of a sound equal 5km/page.
Additional information
Solution of the 50.48 typed on a computer.
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