Chemistry
4th Edition
ISBN: 9780078021527
Author: Julia Burdge
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 11.5, Problem 1PPC
Practice ProblemCONCEPTUALIZE
Referring to the cesium chloride structure in Figure 11.26(a), determine the density of a hypothetical ionic compound with the same unit cell, given that the radii of the anions and cations are 150 pm and 92 pm, respectively: and that their average masses are 98 amu and 192 amu, respectively.
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2.4
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The unit cell for Platinum (Pt) has atoms which are located at each of the
corners and at the centre of all the unit cell faces. The density and atomic weight
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2.
all of the octahedral holes in each unit cell.
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the center of each face in each unit cell.
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(b) 3.41 x 10-22
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Chapter 11 Solutions
Chemistry
Ch. 11.1 - Prob. 1PPACh. 11.1 - Prob. 1PPBCh. 11.1 - Prob. 1PPCCh. 11.1 - Prob. 1CPCh. 11.1 - Prob. 2CPCh. 11.2 - Prob. 1PPACh. 11.2 - Prob. 1PPBCh. 11.2 - Prob. 1PPCCh. 11.2 - Prob. 1CPCh. 11.2 - 11.2.2 Given the following information for ...
Ch. 11.2 - 11.2.3 Using the graph, estimate the vapor...Ch. 11.2 - Using the result from question 11.2.3 and another...Ch. 11.3 - Practice ProblemATTEMPT When silver crystallizes,...Ch. 11.3 - Practice Problem BUILD
The density of sodium metal...Ch. 11.3 - Practice Problem CONCEPTUALIZE The diagram shows...Ch. 11.3 - 11.3.1 Nickel has a face-centered cubic unit cell...Ch. 11.3 - A metal crystalizes in a body-centered cubic unit...Ch. 11.4 - Prob. 1PPACh. 11.4 - Prob. 1PPBCh. 11.4 - Prob. 1PPCCh. 11.4 - 11.4.1 The diagram here shows the anions in the...Ch. 11.4 - 11.4.2 At what angle would you expect X rays of...Ch. 11.5 - Practice ProblemATTEMPT LiF has the same unit cell...Ch. 11.5 - Practice ProblemBUILD NiO also adopts the...Ch. 11.5 - Practice ProblemCONCEPTUALIZE Referring to the...Ch. 11.6 - Practice Problem ATTEMPT
Aluminum metal...Ch. 11.6 - Practice Problem BUILD
Copper crystallizes in a...Ch. 11.6 - Prob. 1PPCCh. 11.6 - 11.6.1 How much energy (in kJ) is required to...Ch. 11.6 - 11.6.2 How much energy (in kJ) is given off when...Ch. 11.7 - Practice ProblemATTEMPT Calculate the amount of...Ch. 11.7 - Practice ProblemBUILD Determine the final state...Ch. 11.7 - Prob. 1PPCCh. 11.7 - Prob. 1CPCh. 11.7 - Prob. 2CPCh. 11.8 - Prob. 1PPACh. 11.8 - Practice Problem BUILD
Sketch the phase diagram of...Ch. 11.8 - Prob. 1PPCCh. 11 - Which of the following would you expect to be more...Ch. 11 - 11.2
Which of the following would you expect to be...Ch. 11 - Prob. 3KSPCh. 11 - Prob. 4KSPCh. 11 - Give an example for each type of intermolecular...Ch. 11 - 11.2 Explain the term polarizability. What kind of...Ch. 11 - Prob. 3QPCh. 11 - Prob. 4QPCh. 11 - 11.5 What physical properties are determined by...Ch. 11 - Prob. 6QPCh. 11 - Describe the types of intermolecular forces that...Ch. 11 - Prob. 8QPCh. 11 - Prob. 9QPCh. 11 - The binary hydrogen compounds of the Group 4A...Ch. 11 - 11.11 List the types of intermolecular forces that...Ch. 11 - Prob. 12QPCh. 11 - Prob. 13QPCh. 11 - Arrange the following in order of increasing...Ch. 11 - Diethyl ether has a boiling point of 34 .5°C , and...Ch. 11 - 11.16 Which member of each of the following pairs...Ch. 11 - Prob. 17QPCh. 11 - Explain in terms of intermolecular forces why (a)...Ch. 11 - What kind of attractive forces must be overcome to...Ch. 11 - Prob. 20QPCh. 11 - Prob. 21QPCh. 11 - Explain why liquids, unlike gases, are virtually...Ch. 11 - 11.23 What is surface tension? What is the...Ch. 11 - Prob. 24QPCh. 11 - Prob. 25QPCh. 11 - 11.26 A glass can be filled slightly above the rim...Ch. 11 - 11.27 Draw diagrams showing the capillary action...Ch. 11 - Prob. 28QPCh. 11 - Why does the viscosity of a liquid decrease with...Ch. 11 - Why is ice less dense than water?Ch. 11 - 11.31 Outdoor water pipes have to be drained or...Ch. 11 - Prob. 32QPCh. 11 - Prob. 33QPCh. 11 - Prob. 34QPCh. 11 - Predict the viscosity of ethylene glycol relative...Ch. 11 - 11.36 Vapor pressure measurements at several...Ch. 11 - The vapor pressure of liquid X is lower than that...Ch. 11 - 11.38 Define the following terms: crystalline...Ch. 11 - Describe the geometries of the following cubic...Ch. 11 - Classify the solid states in terms of crystal...Ch. 11 - The melting points of the oxides of the...Ch. 11 - Define X-ray diffraction. What are the typical...Ch. 11 - 11.43 Write the Bragg equation. Define every term...Ch. 11 - 11.44 What is the coordination number of each...Ch. 11 - Calculate the number of spheres that would be...Ch. 11 - Metallic iron crystallizes in a cubic lattice. The...Ch. 11 - Barium metal crystallizes in a body-centered cubic...Ch. 11 - 11.48 Vanadium crystallizes in a body-centered...Ch. 11 - Europium crystallizes in a body-centered cubic...Ch. 11 - 11.50 Crystalline silicon has a cubic structure....Ch. 11 - 11.51 A face-centered cubic cell contains 8 X...Ch. 11 - When X rays of wavelength 0.090 nm are diffracted...Ch. 11 - The distance between layers in an NaCl crystal is...Ch. 11 - Identify the unit cell of molecular iodine ( I 2 )...Ch. 11 - Shown here is a zinc oxide unit cell. What is the...Ch. 11 - Prob. 56QPCh. 11 - Prob. 57QPCh. 11 - A solid is hard, brittle, and electrically...Ch. 11 - A solid is soft and has a low melting point (below...Ch. 11 - Prob. 60QPCh. 11 - 11.61 Which of the following are molecular solids...Ch. 11 - Classify the solid state of the following...Ch. 11 - Prob. 63QPCh. 11 - Prob. 64QPCh. 11 - Define glass. What is the chief component of...Ch. 11 - 11.66 What is a phase change? Name all possible...Ch. 11 - What is the equilibrium vapor pressure of a...Ch. 11 - Use any one of the phase changes to explain what...Ch. 11 - 11.69 Define the following terms: (a) molar heat...Ch. 11 - How is the molar heat of sublimation related to...Ch. 11 - What can we learn about the intermolecular forces...Ch. 11 - The greater the molar heat of vaporization of a...Ch. 11 - Prob. 73QPCh. 11 - As a liquid is heated at constant pressure, its...Ch. 11 - What is critical temperature? What is the...Ch. 11 - Prob. 76QPCh. 11 - 11.77 How do the boiling points and melting points...Ch. 11 - Prob. 78QPCh. 11 - The vapor pressure of a liquid in a closed...Ch. 11 - Wet clothes dry more quickly on a hot, dry day...Ch. 11 - Which of the following phase transitions gives off...Ch. 11 - 11.82 A beaker of water is heated to boiling by a...Ch. 11 - Prob. 83QPCh. 11 - Calculate the amount of heat (in kJ) required to...Ch. 11 - Prob. 85QPCh. 11 - The molar heats of fusion and sublimation of...Ch. 11 - How is the rate of evaporation of a liquid...Ch. 11 - 11.88 The following compounds, listed with their...Ch. 11 - Prob. 89QPCh. 11 - A student hangs wet clothes outdoors on a winter...Ch. 11 - Explain why steam at 100°C causes more serious...Ch. 11 - What is a phase diagram? What useful information...Ch. 11 - 11.93 Explain how water’s phase diagram differs...Ch. 11 - The blades of ice skates are quite thin, so the...Ch. 11 - 11.95 A length of wire is placed on top of a block...Ch. 11 - Prob. 96QPCh. 11 - Prob. 97QPCh. 11 - 11.98 Name the kinds of attractive forces that...Ch. 11 - Prob. 99APCh. 11 - At –35°C , liquid HI has a higher vapor pressure...Ch. 11 - Prob. 101APCh. 11 - Prob. 102APCh. 11 - Prob. 103APCh. 11 - Prob. 104APCh. 11 - Prob. 105APCh. 11 - A CO 2 fire extinguisher is located on the outside...Ch. 11 - Prob. 107APCh. 11 - A flask of water is connected to a powerful vacuum...Ch. 11 - Prob. 109APCh. 11 - The interionic distances of several alkali halide...Ch. 11 - Which has a greater density, crystalline Si O 2 or...Ch. 11 - A student is given four solid samples labeled W,...Ch. 11 - Prob. 113APCh. 11 - Prob. 114APCh. 11 - X rays of wavelength 0.154 nm strike an aluminum...Ch. 11 - 11.116 The properties of gases, liquids, and...Ch. 11 - Prob. 117APCh. 11 - Prob. 118APCh. 11 - Prob. 119APCh. 11 - Prob. 120APCh. 11 - Prob. 121APCh. 11 - 11.122 The distance between and is 257 pm in...Ch. 11 - Prob. 123APCh. 11 - Prob. 124APCh. 11 - 11.125 Calculate the for the following processes...Ch. 11 - 11.126 Which liquid would you expect to have a...Ch. 11 - 11.127 A beaker of water is placed in a closed...Ch. 11 - Prob. 128APCh. 11 - Prob. 129APCh. 11 - Carbon and silicon belong to Group 4A of the...Ch. 11 - Prob. 131APCh. 11 - Prob. 132APCh. 11 - Prob. 133APCh. 11 - Prob. 134APCh. 11 - Prob. 135APCh. 11 - Prob. 136APCh. 11 - Prob. 137APCh. 11 - Prob. 138APCh. 11 - Prob. 139APCh. 11 - 11.140 Sketch the cooling curves of water from...Ch. 11 - Prob. 141APCh. 11 - Prob. 142APCh. 11 - A closed vessel of volume 9.6 L contains 2.0 g of...Ch. 11 - 11.144 The electrical conductance of copper metal...Ch. 11 - 11.145 Assuming ideal behavior, calculate the...Ch. 11 - Prob. 146APCh. 11 - Which of the following compounds is most likely to...Ch. 11 - 11.148 A chemistry instructor performed the...Ch. 11 - Prob. 149APCh. 11 - Prob. 150APCh. 11 - The phase diagram of helium is shown. Helium is...Ch. 11 - 11.152 The phase diagram of sulfur is shown. (a)...Ch. 11 - Prob. 153APCh. 11 - Prob. 154APCh. 11 - Prob. 155APCh. 11 - Prob. 156APCh. 11 - Prob. 157APCh. 11 - Prob. 158APCh. 11 - 11.159 Why do citrus growers spray their trees...Ch. 11 - Prob. 2SEPPCh. 11 - 3. Each cubic unit cell (edge length a = 543 pm)...
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- 2) Sodium is a bright and white, soft, wax-like element dissolved in seawater, crystallized in rock salt. Sodium is common in nature and crystallizes with a body-centered cubic unit cell and its density is 0.971 g/cm³. (Na: 23 g/mol) (a) What is the volume of the unit cell, in cm³? (b) What is the edge length of the unit cell, in pm? (c) What is the radius of a sodium atom, in pm?arrow_forwardan ionic compound AxBy has a cubic unit cell. Within the unit cell, the B ions have a body-centered cubic arrangement, while the A ions are found on each face of the cube. In the emperical formula, AxBy, what is the value of yarrow_forwardGiven the image of the 2D lattice, choose the correct answer choice that names which elements are in the unit cell.arrow_forward
- Diamond has a face-centered cubic unit cell, with fourmore C atoms in tetrahedral holes within the cell. Densities of diamonds vary from 3.01 g/cm³ to 3.52 g/ cm³ C atoms are missing from some holes. (a) Calculate the unit-cell edge length of the densest diamond. (b) Assuming the cell dimensions are fixed, how many C atoms are in the unit cell of the diamond the lowest density?arrow_forward(22) If a cubic unit cell of an ionic compound has M cations at the corners and X anions in the centers of the edges, what is the formula unit (or empirical formula) of the compound? A) MX2 B) M3X2 C) MX3 D) M2X3 E) M,Xarrow_forwardThe cubic unit cell shown below has been shaded to add clarity; the ions in the corners are black (B): those in the faces are gray(G). a) What is the formula for this ionic compound? Show how you calculate the number of atoms of each kind.b) What type of unit cell does it constitute?arrow_forward
- 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.arrow_forwardThe unit cell of a compound containing potassium, aluminum,and fluorine is shown here. (a) What type of latticedoes this crystal possess (all three lattice vectors are mutuallyperpendicular)? (b) What is the empirical formula?arrow_forwardConsider the two-dimensional square lattice of Figure 12.4. The“packing efficiency” for a two-dimensional structure would bethe area of the atoms divided by the area of the unit cell, times100%. What is the packing efficiency for a square lattice for atomsof radius a/2 that are centered at the lattice points?(a) 3.14% (b) 15.7% (c) 31.8% (d) 74.0% (e) 78.5%arrow_forward
- Write the relationship between atomic radius (r) and edge length (a) ofcubic unit cell for(a) Simple cubic unit cell(b) Body-centred cubic unit cell(c) Face-centred cubic unit cellarrow_forwardSample Exercise 6: Empirical Formula and Density: Ionic Solid The unit cell of a binary compound of copper and oxygen is shown here. Given this image and the ionic radii rcut = 0.74 Å and ro² = 1.26 Å, (a) determine the empirical formula of this compound, (b) determine the coordination numbers of copper and oxygen, (c) estimate the length of the edge of the cubic unit cell, and (d) estimate the density of the compound. Solution (a) To determine the empirical formula we need to determine how many of each type of ion there are per unit cell. O: 8(1/8) + 1 = 2 0²-ions in the unit cell. Cu: 4(1) = 4 Cut ions in the unit cell. Empirical Formula: Cu₂O (b) If we can visually determine the coordination number of one of the ions, we can use Equation 12.1 to determine the coordination number of the other ion. Number of cations per formula unit Number of anions per formula unit anion coordination number cation coordination number Cation coordination number = anion coordination number Copper…arrow_forwardWhat is the packing factor if the radius of Ga is 0.62 Å and of As is 1.51 Å? (A) 0.74. (B) 0.68. (C) 0.34. (D) 0.5.arrow_forward
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