Physics: Principles with Applications
7th Edition
ISBN: 9780321625922
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Chapter 29, Problem 14P
Common salt. NaCI, has a density of 2.165 g/cm3. The molecular weight of NaCI is 58.44. Estimate the distance between nearest neighbor Na and Cl ions. [Hint: Eachion can be considered to be at the corner of a cube.]
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Suppose that a semiconductor device is using a 10.51-mg sample of a hypothetical element By, that is doped with 0.8 % (by mole) of another hypothetical element Do. How many Do atoms are in the sample?
Atomic Mass:
By: 26.274 g/mol
Do: 82.183 g/mol
a. 3.75e+18
b. 4.64e+18
c. 1.93e+18
d. 2.84e+18
Suppose that a semiconductor device is using a 10.51-mg sample of a hypothetical element By, that is doped with 0.8 % (by mole) of another hypothetical element Do. How many Do atoms are in the sample?
Atomic Mass:
By: 26.274 g/mol
Do: 82.183 g/mol
4.64e+18
2.84e+18
3.75e+18
1.93e+18
11. Number of free electrons in copper is 8E28/m³
Calculate T for Cu...and lat 300K
Answer: 26 fs
Chapter 29 Solutions
Physics: Principles with Applications
Ch. 29 - Prob. 1OQCh. 29 - Prob. 1QCh. 29 - Prob. 2QCh. 29 - Prob. 3QCh. 29 - Prob. 4QCh. 29 - Prob. 5QCh. 29 - Prob. 6QCh. 29 - Prob. 7QCh. 29 - Prob. 8QCh. 29 - Prob. 9Q
Ch. 29 - Prob. 10QCh. 29 - Prob. 11QCh. 29 - Prob. 12QCh. 29 - Prob. 13QCh. 29 - Prob. 14QCh. 29 - Prob. 15QCh. 29 - Prob. 16QCh. 29 - Prob. 17QCh. 29 - Prob. 18QCh. 29 - Prob. 19QCh. 29 - Prob. 1MCQCh. 29 - Prob. 2MCQCh. 29 - Prob. 3MCQCh. 29 - Prob. 4MCQCh. 29 - Prob. 5MCQCh. 29 - Prob. 6MCQCh. 29 - Prob. 7MCQCh. 29 - Prob. 8MCQCh. 29 - Prob. 9MCQCh. 29 - Prob. 10MCQCh. 29 - Prob. 1PCh. 29 - Prob. 2PCh. 29 - Prob. 3PCh. 29 - Prob. 4PCh. 29 - Prob. 5PCh. 29 - Prob. 6PCh. 29 - Prob. 7PCh. 29 - Prob. 8PCh. 29 - Prob. 9PCh. 29 - Prob. 10PCh. 29 - Prob. 11PCh. 29 - Prob. 12PCh. 29 - Prob. 13PCh. 29 - Common salt. NaCI, has a density of 2.165 g/cm3....Ch. 29 - Prob. 15PCh. 29 - Prob. 16PCh. 29 - Prob. 17PCh. 29 - Prob. 18PCh. 29 - Prob. 19PCh. 29 - Prob. 20PCh. 29 - Prob. 21PCh. 29 - Prob. 22PCh. 29 - Prob. 23PCh. 29 - Prob. 24PCh. 29 - Prob. 25PCh. 29 - Prob. 26PCh. 29 - Prob. 27PCh. 29 - Prob. 28PCh. 29 - Prob. 29PCh. 29 - Prob. 30PCh. 29 - Prob. 31PCh. 29 - Prob. 32PCh. 29 - Prob. 33PCh. 29 - Prob. 34PCh. 29 - Prob. 35PCh. 29 - Prob. 36PCh. 29 - Prob. 37PCh. 29 - Prob. 38GPCh. 29 - Prob. 39GPCh. 29 - Prob. 40GPCh. 29 - Prob. 41GPCh. 29 - Prob. 42GPCh. 29 - Prob. 43GPCh. 29 - Prob. 44GPCh. 29 - Prob. 45GPCh. 29 - Prob. 46GPCh. 29 - Prob. 47GPCh. 29 - Prob. 48GPCh. 29 - Prob. 49GPCh. 29 - Prob. 50GPCh. 29 - Prob. 51GP
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- a. The term linear atomic density is derived for FCC [111], [100] the vectors in terms of radius b. Calculate the linear density of the two vectors of copper. 19:43 /arrow_forwardA sample of copper has a mass of 10.68 g when measured in air. It has a mass of 9.47 g when measured in water. Answer these three questions: How many atoms are in the sample? What is the simple volume of the space including and surrounding each atom? Assume the atoms are evenly distributed throughout the sample. That is no FCC, BCC, or HCP crystal structure. What is the diameter of each atom?arrow_forwardQ. 2. Calculate the packing efficiency and density of sodium chloride from the following data: Radius of sodium ion= 0.98 A Radius of chloride ion= 1.81 A Atomic mass of sodium= 22.99 amu Atomic mass of chloride= 35.45arrow_forward
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- 2. The concentration of donor impurity atoms in silicon is Nd = 1015 cm-3. Assume an electron mobility of u, = 1300 cm2/V-s and a hole mobility of u, = 450 cm2/V-s. (a) Calculate the resistivity of the material. (b) What is the conductivity %3D of the material?arrow_forward2. Ionization of donors. In a particular semiconductor there are 1013 donors/cm³ with an ionization energy E4 of 1 meV and an effective mass 0.01 m. (a) Estimate the concentration of conduction electrons at 4 K. (b) What is the value of the Hall coeff- icent? Assume no acceptor atoms are present and that E, > kgT.arrow_forwardA silicon p-n junction consists of a p-type region containing 3x1016 cm-3 acceptors and an n- type region containing also 1017 cm-3 donors. a. Calculate the density of electrons and holes in both p-type and n-type regions under thermal equilibrium at room temperature. b. Calculate the built-in potential of the p-n junction? c. Calculate the width of the depletion layer under a reverse bias of 1.0 V. d. Based on c, calculate the junction capacitance. Note that the junction cross-session area is 1.2 mm2.arrow_forward
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