Chemistry
9th Edition
ISBN: 9781133611097
Author: Steven S. Zumdahl
Publisher: Cengage Learning
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Chapter 10, Problem 71E
Cobalt fluoride crystallizes in a closest packed array of fluoride ions with the cobalt ions filling one-half of the octahedral holes. What is the formula of this compound?
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Chapter 10 Solutions
Chemistry
Ch. 10 - What are intermolecular forces? How do they differ...Ch. 10 - Define the following terms and describe how each...Ch. 10 - Compare and contrast solids, liquids, and gases.Ch. 10 - Prob. 4RQCh. 10 - What is a lattice? What is a unit cell? Describe a...Ch. 10 - What is closest packing? What is the difference...Ch. 10 - Describe, in general, the structures of ionic...Ch. 10 - Prob. 9RQCh. 10 - Prob. 10RQCh. 10 - Compare and contrast the phase diagrams of water...
Ch. 10 - It is possible to balance a paper clip on the...Ch. 10 - Consider a sealed container half-filled with...Ch. 10 - Explain the following: You add 100 mL water to a...Ch. 10 - Prob. 4ALQCh. 10 - Prob. 5ALQCh. 10 - Why do liquids have a vapor pressure? Do all...Ch. 10 - Prob. 7ALQCh. 10 - What is the vapor pressure of water at 100C? How...Ch. 10 - Prob. 9ALQCh. 10 - Prob. 10ALQCh. 10 - Prob. 11ALQCh. 10 - In the diagram below, which lines represent the...Ch. 10 - Prob. 14QCh. 10 - Atoms are assumed to touch in closest packed...Ch. 10 - Define critical temperature and critical pressure....Ch. 10 - Use the kinetic molecular theory to explain why a...Ch. 10 - Prob. 18QCh. 10 - Prob. 19QCh. 10 - Describe what is meant by a dynamic equilibrium in...Ch. 10 - Prob. 21QCh. 10 - Prob. 22QCh. 10 - Prob. 23QCh. 10 - Prob. 24QCh. 10 - When wet laundry is hung on a clothesline on a...Ch. 10 - You have three covalent compounds with three very...Ch. 10 - Prob. 28QCh. 10 - Compare and contrast the structures of the...Ch. 10 - Silicon carbide (SiC) is an extremely hard...Ch. 10 - How could you tell experimentally if TiO2 is an...Ch. 10 - A common prank on college campuses is to switch...Ch. 10 - A plot of In (Pvap) versus 1/T (K) is linear with...Ch. 10 - Prob. 34QCh. 10 - Identify the most important types of interparticle...Ch. 10 - Prob. 36ECh. 10 - Predict which substance in each of the following...Ch. 10 - Consider the compounds CI2, HCI. F2, NaF, and HF....Ch. 10 - Prob. 39ECh. 10 - Consider the following electrostatic potential...Ch. 10 - In each of the following groups of substances,...Ch. 10 - Prob. 42ECh. 10 - The shape of the meniscus of water in a glass tube...Ch. 10 - Prob. 44ECh. 10 - Hydrogen peroxide (H2O2) is a syrupy liquid with a...Ch. 10 - Carbon diselenide (CSe2) is a liquid at room...Ch. 10 - X rays from a copper X-ray tube ( = 154 pm) were...Ch. 10 - The second-order diffraction (n = 2) for a gold...Ch. 10 - A topaz crystal has an interplanar spacing (d) of...Ch. 10 - X rays of wavelength 2.63 were used to analyze a...Ch. 10 - Calcium has a cubic closest packed structure as a...Ch. 10 - Nickel has a face-centered cubic unit cell. The...Ch. 10 - A certain form of lead has a cubic closest packed...Ch. 10 - Prob. 54ECh. 10 - You are given a small bar of an unknown metal X....Ch. 10 - A metallic solid with atoms in a face-centered...Ch. 10 - Titanium metal has a body-centered cubic unit...Ch. 10 - Barium has a body-centered cubic structure. If the...Ch. 10 - The radius of gold is 144 pm, and the density is...Ch. 10 - The radius of tungsten is 137 pm and the density...Ch. 10 - What fraction of the total volume of a cubic...Ch. 10 - Iron has a density of 7.86 g/cm3 and crystallizes...Ch. 10 - Prob. 63ECh. 10 - Prob. 64ECh. 10 - Selenium is a semiconductor used in photocopying...Ch. 10 - Prob. 66ECh. 10 - Prob. 67ECh. 10 - Prob. 68ECh. 10 - The structures of some common crystalline...Ch. 10 - The unit cell for nickel arsenide is shown below....Ch. 10 - Cobalt fluoride crystallizes in a closest packed...Ch. 10 - The compounds Na2O, CdS, and ZrI4. all can be...Ch. 10 - What is the formula for the compound that...Ch. 10 - Prob. 74ECh. 10 - A certain metal fluoride crystallizes in such a...Ch. 10 - Prob. 76ECh. 10 - The unit cell of MgO is shown below l Does MgO...Ch. 10 - In solid KCl the smallest distance between the...Ch. 10 - The CsCl structure is a simple cubic array of...Ch. 10 - MnO has either the NaCI type structure or the CsCI...Ch. 10 - What type of solid will each of the following...Ch. 10 - What type of solid will each of the following...Ch. 10 - The memory metal, nitinol, is an alloy of nickel...Ch. 10 - Superalloys have been made of nickel and aluminum....Ch. 10 - Perovskite is a mineral containing calcium,...Ch. 10 - A mineral crystallizes in a cubic closest packed...Ch. 10 - Materials containing the elements Y, Ba, Cu, and O...Ch. 10 - The structures of another class of ceramic,...Ch. 10 - Plot the following data and determine Hvap for...Ch. 10 - From the following data for liquid nitric acid,...Ch. 10 - In Breckenridge, Colorado, the typical atmospheric...Ch. 10 - The temperature inside a pressure cooker is 115C....Ch. 10 - Carbon tetrachloride, CCl4, has a vapor pressure...Ch. 10 - Diethyl ether (CH3CH2OCH2CH3) was one of the first...Ch. 10 - A substance, X, has the following properties:...Ch. 10 - Use the heating-cooling curve below to answer the...Ch. 10 - The molar heat of fusion of sodium metal is 2.60...Ch. 10 - Prob. 98ECh. 10 - What quantity of energy does it take to convert...Ch. 10 - Consider a 75.0-g sample of H2O(g) at 125C. What...Ch. 10 - An ice cube tray contains enough water at 22.0C to...Ch. 10 - A 0.250-g chunk of sodium metal is cautiously...Ch. 10 - Prob. 103ECh. 10 - Prob. 104ECh. 10 - Prob. 105ECh. 10 - Prob. 106ECh. 10 - Prob. 107ECh. 10 - Consider the following data for xenon: Triple...Ch. 10 - Some of the physical properties of H2O and D2O are...Ch. 10 - Rationalize the following boiling points:Ch. 10 - Consider the following vapor pressure versus...Ch. 10 - Consider the following enthalpy changes:...Ch. 10 - Prob. 113AECh. 10 - Boron nitride (BN) exists in two forms. The first...Ch. 10 - Prob. 115AECh. 10 - Argon has a cubic closest packed structure as a...Ch. 10 - Prob. 117AECh. 10 - A 20.0-g sample of ice at 10.0C is mixed with...Ch. 10 - In regions with dry climates, evaporative coolers...Ch. 10 - Which of the following compound(s) exhibit only...Ch. 10 - Which of the following statements about...Ch. 10 - Prob. 123CWPCh. 10 - Aluminum has an atomic radius of 143 pm and forms...Ch. 10 - Pyrolusite is a mineral containing manganese ions...Ch. 10 - The structure of the compound K2O is best...Ch. 10 - Prob. 127CWPCh. 10 - Some ice cubes at 0c with a total mass of 403 g...Ch. 10 - The enthalpy of vaporization for acetone is 32.0...Ch. 10 - Prob. 130CWPCh. 10 - When I mole of benzene is vaporized at a constant...Ch. 10 - You and a friend each synthesize a compound with...Ch. 10 - Prob. 133CPCh. 10 - Prob. 134CPCh. 10 - Consider two different organic compounds, each...Ch. 10 - Rationalize the differences in physical properties...Ch. 10 - Prob. 137CPCh. 10 - Some ionic compounds contain a mixture of...Ch. 10 - Some ionic compounds contain a mixture of...Ch. 10 - Spinel is a mineral that contains 37.9% aluminum,...Ch. 10 - Mn crystallizes in the same type of cubic unit...Ch. 10 - You are asked to help set up a historical display...Ch. 10 - Some water is placed in a sealed glass container...Ch. 10 - The molar enthalpy of vaporization of water at 373...Ch. 10 - Prob. 145CPCh. 10 - Rubidium chloride has the sodium chloride...Ch. 10 - Prob. 147IPCh. 10 - A metal burns in air at 600c under high pressure...Ch. 10 - Prob. 149IPCh. 10 - General Zod has sold Lex Luthor what Zod claims to...
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- Silicon carbide, SiC, is a very hard, high-melting solid. What kind of crystal forces account for these properties?arrow_forwardAn amorphous solid can sometimes be converted to a crystalline solid by a process called annealing. Annealing consists of heating the substance to a temperature just below the melting point of the crystalline form and then cooling it slowly. Explain why this process helps produce a crystalline solid.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
- MnO has either the NaCI type structure or the CsCI type structure (see Exercise 69). The edge length of the MnO unit cell is 4.47 10-8 cm and the density of MnO is 5.28 g/cm3. a. Does MnO crystallize in the NaCl or the CsCl type structure? b. Assuming that the ionic radius of oxygen is 140. pm, estimate the ionic radius of manganese.arrow_forwardArrange the following substances in order of increasing strength of crystal forces: CO2, KCl, H2O, N2, CaO.arrow_forwardThe CsCl structure is a simple cubic array of chloride ions with a cesium ion at the center of each cubic array (see Exercise 69). Given that the density of cesium chloride is 3.97 g/cm3, and assuming that the chloride and cesium ions touch along the body diagonal of the cubic unit cell, calculate the distance between the centers of adjacent Cs+ and Cl ions in the solid. Compare this value with the expected distance based on the sizes of the ions. The ionic radius of Cs+ is 169 pm, and the ionic radius of Cl is 181 pm.arrow_forward
- Outline a two-dimensional unit cell for the pattern shown here. If the black squares are labeled A and the white squares are B, what is the simplest formula for a compound based on this pattern?arrow_forwardOn the basis of the description given, classify each of the following solids as molecular, metallic, ionic, or covalent network. Explain your answers. a a lustrous, yellow solid that conducts electricity b a hard, black solid melting at 2350C to give a nonconducting liquid c a nonconducting, pink solid melting at 650C to give an electrically conducting liquid d red crystals having a characteristic odor and melting at 171Carrow_forwardThe coordination number of uniformly sized spheres in a cubic closest-packing (FCC) array is 12. Give the coordination number of each atom in (a) a simple cubic lattice. (b) a body-centered cubic lattice.arrow_forward
- 8.13 What is the coordination number of atoms in the diamond structure?arrow_forwardNickel metal crystallizes in a cubic closest packed structure. What is the coordination number of a nickel atom?arrow_forwardDescribe, in general, the structures of ionic solids. Compare and contrast the structure of sodium chloride and zinc sulfide. How many tetrahedral holes and octahedral holes are there per closest packed anion? In zinc sulfide, why are only one-half of the tetrahedral holes filled with cations?arrow_forward
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