CHEMISTRY-TEXT
8th Edition
ISBN: 9780134856230
Author: Robinson
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 12.34SP
Which of the four kinds of packing used by metals makes the most efficient use of space, and which makes the least efficient use?
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Chapter 12 Solutions
CHEMISTRY-TEXT
Ch. 12 - Calcium metal crystallizes in a cubic...Ch. 12 - Polonium metal crystallizes in a simple cubic...Ch. 12 - Polonium metal crystallizes in a simple cubic...Ch. 12 - The density of a sample of metal "as measured to...Ch. 12 - Zinc sulfide crystallizes in the following cubic...Ch. 12 - Prob. 12.6ACh. 12 - Prob. 12.7PCh. 12 - Prob. 12.8ACh. 12 - Prob. 12.9PCh. 12 - Prob. 12.10A
Ch. 12 - Prob. 12.11PCh. 12 - Prob. 12.12ACh. 12 - Prob. 12.13PCh. 12 - Prob. 12.14PCh. 12 - Prob. 12.15PCh. 12 - Prob. 12.16PCh. 12 - Prob. 12.17PCh. 12 - Identify each of the following kinds of packingCh. 12 - Prob. 12.19CPCh. 12 - Titanium oxide crystallizes in the following cubic...Ch. 12 - Prob. 12.21CPCh. 12 - Prob. 12.22CPCh. 12 - Prob. 12.23CPCh. 12 - Prob. 12.24CPCh. 12 - Prob. 12.25CPCh. 12 - Prob. 12.26SPCh. 12 - Prob. 12.27SPCh. 12 - Prob. 12.28SPCh. 12 - Prob. 12.29SPCh. 12 - Prob. 12.30SPCh. 12 - Prob. 12.31SPCh. 12 - Diffraction of X rays with =154.2 pm at an angle...Ch. 12 - Diffraction of X rays with =154.2 pm at an angle...Ch. 12 - Which of the four kinds of packing used by metals...Ch. 12 - What is a unit cell? How many atoms are in one...Ch. 12 - Copper crystallizes in a face-centered cubic unit...Ch. 12 - Lead crystallizes in a cubic unit cell with anedge...Ch. 12 - Prob. 12.38SPCh. 12 - Tungsten crystallizes in a body-centered cubic...Ch. 12 - Prob. 12.40SPCh. 12 - Prob. 12.41SPCh. 12 - Titanium metal has a density of and an atomic...Ch. 12 - Calcium metal has a density of 1.55 g/cm3 and...Ch. 12 - The atomic radius of Pb is 175 pm, and the density...Ch. 12 - The density of a sample of metal was measured to...Ch. 12 - If a protein can be induced to crystallize, its...Ch. 12 - The molecular structure of a scorpion toxin, a...Ch. 12 - Iron crystallizes in a body-centered cubic unit...Ch. 12 - Silver metal crystallizes in a face-centered cubic...Ch. 12 - Sodium hydride, NaH, crystallizes in a...Ch. 12 - Cesium chloride crystallizers in a cubic unit cell...Ch. 12 - If the edge length of an NaH unit cell is 488 pm,...Ch. 12 - The edge length of a CsCI unit cell (Problem...Ch. 12 - Silicon carbide, SiC, is a covalent network solid...Ch. 12 - Prob. 12.55SPCh. 12 - Prob. 12.56SPCh. 12 - Prob. 12.57SPCh. 12 - Prob. 12.58SPCh. 12 - Prob. 12.59SPCh. 12 - Prob. 12.60SPCh. 12 - Prob. 12.61SPCh. 12 - Prob. 12.62SPCh. 12 - Prob. 12.63SPCh. 12 - Prob. 12.64SPCh. 12 - Prob. 12.65SPCh. 12 - Prob. 12.66SPCh. 12 - Prob. 12.67SPCh. 12 - Prob. 12.68SPCh. 12 - Prob. 12.69SPCh. 12 - Prob. 12.70SPCh. 12 - Prob. 12.71SPCh. 12 - Prob. 12.72SPCh. 12 - Prob. 12.73SPCh. 12 - Prob. 12.74SPCh. 12 - Prob. 12.75SPCh. 12 - Prob. 12.76SPCh. 12 - Prob. 12.77SPCh. 12 - Prob. 12.78SPCh. 12 - Prob. 12.79SPCh. 12 - Prob. 12.80SPCh. 12 - Prob. 12.81SPCh. 12 - Prob. 12.82SPCh. 12 - Prob. 12.83SPCh. 12 - Prob. 12.84SPCh. 12 - Prob. 12.85SPCh. 12 - Prob. 12.86SPCh. 12 - Prob. 12.87SPCh. 12 - Prob. 12.88SPCh. 12 - Prob. 12.89SPCh. 12 - Prob. 12.90SPCh. 12 - Prob. 12.91SPCh. 12 - Prob. 12.92SPCh. 12 - Prob. 12.93SPCh. 12 - Prob. 12.94SPCh. 12 - Prob. 12.95SPCh. 12 - Prob. 12.96SPCh. 12 - Prob. 12.97SPCh. 12 - Prob. 12.98SPCh. 12 - Prob. 12.99SPCh. 12 - Prob. 12.100SPCh. 12 - Prob. 12.101SPCh. 12 - A photovoltaic cell contains a p-n junction that...Ch. 12 - Prob. 12.103SPCh. 12 - Prob. 12.104SPCh. 12 - Prob. 12.105SPCh. 12 - Prob. 12.106SPCh. 12 - Prob. 12.107SPCh. 12 - Prob. 12.108SPCh. 12 - Prob. 12.109SPCh. 12 - Prob. 12.110SPCh. 12 - Prob. 12.111SPCh. 12 - Prob. 12.112SPCh. 12 - Prob. 12.113SPCh. 12 - Prob. 12.114SPCh. 12 - Prob. 12.115SPCh. 12 - Prob. 12.116SPCh. 12 - Prob. 12.117SPCh. 12 - Prob. 12.118SPCh. 12 - Prob. 12.119SPCh. 12 - Prob. 12.120SPCh. 12 - Prob. 12.121SPCh. 12 - Prob. 12.122SPCh. 12 - Prob. 12.123SPCh. 12 - Prob. 12.124SPCh. 12 - Prob. 12.125SPCh. 12 - Prob. 12.126SPCh. 12 - Prob. 12.127SPCh. 12 - Prob. 12.128SPCh. 12 - Prob. 12.129SPCh. 12 - Prob. 12.130SPCh. 12 - Prob. 12.131SPCh. 12 - Prob. 12.132SPCh. 12 - Prob. 12.133SPCh. 12 - Prob. 12.134MPCh. 12 - Prob. 12.135MPCh. 12 - Prob. 12.136MPCh. 12 - Prob. 12.137MPCh. 12 - Assume that 1588 g of an alkali metal undergoes...Ch. 12 - Prob. 12.139MPCh. 12 - Prob. 12.140MPCh. 12 - Prob. 12.141MPCh. 12 - Prob. 12.142MPCh. 12 - Prob. 12.143MPCh. 12 - Prob. 12.144MP
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- Phase diagrams for materials that have allotropes can be more complicated than those shown in the chapter. Use the phase diagram for carbon given here to answer the following questions. (a) How many triple points are present and what phases are in equilibrium for each? (b) Is there a single point where all four phases are in equilibrium? (c) Which is more stable at high pressures, diamond or graphite? (d) Which is the stable phase of carbon at room temperature and 1 atmosphere pressure?arrow_forwardSilicon carbide, SiC, is a very hard, high-melting solid. What kind of crystal forces account for these properties?arrow_forwardThe unit cell of silicon carbide, SiC, is illustrated below. (a) In what type of unit cell are the (dark gray) C atoms arranged? (b) If one edge of the silicon carbide unit cell is 436.0 pm, what is the calculated density of this compound? A portion of the solid-state structure of silicon carbide.arrow_forward
- Lithium hydride (LiH) has the sodium chloride structure, and the length of the edge of the unit cell is 4.086 108 cm. Calculate the density of this solid.arrow_forwardThe free space in a metal may be found by subtracting the volume of the atoms in a unit cell from the volume of the cell. Calculate the percentage of free space in each of the three cubic lattices if all atoms in each are of equal size and touch their nearest neighbors. Which of these structures represents the most efficient packing? That is, which packs with the least amount of unused space?arrow_forwardConsider the three types of cubic units cells. (a) Assuming that the spherical atoms or ions in a primitive cubic unit cell just touch along the cubes edges, calculate the percentage of occupied space within the unit cell. (Recall that the volume of a sphere is (4/3)r3, where r is the radius of the sphere.) (b) Compare the percentage of occupied space in the primitive cell (pc) with the bcc and fcc unit cells. Based on this, will a metal in these three forms have the same or different densities? If different, in which is it most dense? In which is it least dense?arrow_forward
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