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Chapter 41: Q52P (page 1275)
Verify the numerical factor 0.121 in Eq. 41-9.
The numerical factor is equal to the numerical factor 0.121.
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In Eq. 41-6 let, . (a) At what temperature does the result of using this equation differ by 1% from the result of using the classical Boltzmann equation (which is Eq. 41-1 with two changes in notation)? (b) At what temperature do the results from these two equations differ by 10%?
Calculate the number density (number per unit volume) for (a) molecules of oxygen gas at and 1.0 atm pressure and (b) conduction electrons in copper. (c) What is the ratio of the latter to the former? What is the average distance between (d) the oxygen molecules and (e) the conduction electrons, assuming this distance is the edge length of a cube with a volume equal to the available volume per particle (molecule or electron)?
In a silicon lattice, where should you look if you want to find (a) a conduction electron, (b) a valence electron, and (c) an electron associated with the 2psubshell of the isolated silicon atom?
If the temperature of a piece of a metal is increased, does the probability of occupancy 0.1 eV above the Fermi level increase, decrease, or remain the same?
(a) Find the angle between adjacent nearest-neighbor bonds in the silicon lattice. Recall that each silicon atom is bonded to four of its nearest neighbors. The four neighbors form a regular tetrahedron鈥攁 pyramid whose sides and base are equilateral triangles. (b) Find the bond length, given that the atoms at the corners of the tetrahedron are 388pm apart.
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