Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 57QAP
Consider the sodium chloride unit cell shown in Figure 9.21. Looking only at the front face (five large Cl- ions, four small Na+ ions),
(a) how many cubes share each of the Na+ ions in this face?
(b) how many cubes share each of the Cl- ions in this face?
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Students have asked these similar questions
4. Lithium bromide crystalizes as shown (right) where the lithium ions are
represented as white circles and the bromide ions are represented as
filled circles. Give all answers to four significant figures.
(a) What is the mass of one unit cell in grams?
(b) If the density of LiBr is 3.464 g/mL, what is the edge length of
the unit cell in pm?
(c) Calculate the Li-Br distance in the crystal structure in pm.
6. A compound consists of A-atoms and B-atoms, and its solid crystal forms a cubic unit cell structure, as shown below.
A-atoms occupy corners and faces of the cube. B-atoms are inside the cube and are not shared by adjacent cubic unit
cells. Based on the information here, we can conclude that
(a) A-atoms form an FCC structure; the empirical formula of the compound is A,B2.
(b) A-atoms form an FCC structure; the empirical formula of the compound is AB.
(c) A-atoms form a BCC structure; the empirical formula of the compound is A¬B2.
(d) A-atoms form a BCC structure; the empirical formula of the compound is AB.
(e) None of the above.
A-atoms
(corners and faces)
B-atoms
(inside, not
shared)
a m n T OF THE FL EMENTS
Which of the following statements is/are CORRECT? If an ionic compound with the formula MX forms a face-centered cubic unit cell with the anions (Xn–) at the lattice points, the cations (Mn+) may occupy
1.
one fourth of the tetrahedral holes in each unit cell.
2.
all of the octahedral holes in each unit cell.
3.
the center of each face in each unit cell.
(a) 1 only
(b)2 only
(c)3 only
(d)1 and 2
(e)1, 2, and 3
Chapter 9 Solutions
Chemistry: Principles and Reactions
Ch. 9 - Prob. 1QAPCh. 9 - Prob. 2QAPCh. 9 - The vapor pressure of I2(s) at 30C is 0.466 mm Hg....Ch. 9 - Prob. 4QAPCh. 9 - Trichloroethane, C2H3Cl3 is used as a degreaser...Ch. 9 - p-Dichlorobenzene, C6H4Cl2, can be one of the...Ch. 9 - Prob. 7QAPCh. 9 - Dichloromethane, CH2Cl2,is widely used as a...Ch. 9 - Prob. 9QAPCh. 9 - Prob. 10QAP
Ch. 9 - At a resort in Sante Fe, New Mexico, the...Ch. 9 - Prob. 12QAPCh. 9 - Prob. 13QAPCh. 9 - Consider the following data for the vapor pressure...Ch. 9 - Referring to Figure 9.7, state what phase(s)...Ch. 9 - Referring to Figure 9.7, state what phase(s) is...Ch. 9 - Prob. 17QAPCh. 9 - Consider the phase diagram of the compound in...Ch. 9 - Prob. 19QAPCh. 9 - Prob. 20QAPCh. 9 - Given the following data about xenon,...Ch. 9 - Given the following data about CO2: • triple...Ch. 9 - A pure substance X has the following properties:...Ch. 9 - Prob. 24QAPCh. 9 - Prob. 25QAPCh. 9 - Arrange the following compounds in order of...Ch. 9 - Which of the following would you expect to show...Ch. 9 - Which of the following compounds would you expect...Ch. 9 - Prob. 29QAPCh. 9 - Prob. 30QAPCh. 9 - Explain in terms of forces between structural...Ch. 9 - Prob. 32QAPCh. 9 - Prob. 33QAPCh. 9 - In which of the following processes is it...Ch. 9 - For each of the following pairs, choose the member...Ch. 9 - Follow the directions for Question 35 for the...Ch. 9 - What are the strongest attractive forces that must...Ch. 9 - What are the strongest attractive forces that must...Ch. 9 - Prob. 39QAPCh. 9 - Prob. 40QAPCh. 9 - Of the four general types of solids, which one(s)...Ch. 9 - Of the four general types of solids, which one(s)...Ch. 9 - Prob. 43QAPCh. 9 - Prob. 44QAPCh. 9 - Give the formula of a solid containing Si that is...Ch. 9 - Prob. 46QAPCh. 9 - Prob. 47QAPCh. 9 - Describe the structural units in (a) C (graphite)...Ch. 9 - Molybdenum has an atomic radius of 0.145 nm. The...Ch. 9 - Nickel has an atomic radius of 0.162 nm. The edge...Ch. 9 - Lead (atomicradius=0.181nm) crystallizes with a...Ch. 9 - Iridium crystallizes in a face-centered unit cell....Ch. 9 - In the LiCl structure shown in Figure 9.21, the...Ch. 9 - Potassium iodide has a unit cell similar to that...Ch. 9 - Prob. 55QAPCh. 9 - Consider the CsCl cell (Figure 9.21). The ionic...Ch. 9 - Consider the sodium chloride unit cell shown in...Ch. 9 - Consider the CsCl unit shown in Figure 9.21. How...Ch. 9 - A 1.25-L clean and dry flask is sealed. The air in...Ch. 9 - Aluminum metal crystallizes with a face-centered...Ch. 9 - Consider a sealed flask with a movable piston that...Ch. 9 - Prob. 62QAPCh. 9 - Prob. 63QAPCh. 9 - Prob. 64QAPCh. 9 - Chloroform, CHCl3, has a normal boiling point of...Ch. 9 - Prob. 66QAPCh. 9 - Prob. 67QAPCh. 9 - In the blanks provided, answer the questions...Ch. 9 - Answer the questions below, by filling in the...Ch. 9 - Prob. 70QAPCh. 9 - Prob. 71QAPCh. 9 - What is the difference between (a) a covalent bond...Ch. 9 - Four shiny solids are labeled A, B, C, and D....Ch. 9 - Prob. 74QAPCh. 9 - The following data are given for CC14:...Ch. 9 - Iron crystallizes in a body-centered unit cell....Ch. 9 - Prob. 77QAPCh. 9 - Trichloroethane, C2H3Cl3, is the active ingredient...Ch. 9 - Prob. 79QAPCh. 9 - Prob. 80QAPCh. 9 - Prob. 81QAP
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