Chemistry: Structure and Properties (2nd Edition)
2nd Edition
ISBN: 9780134293936
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 12, Problem 56E
What are the name and formula of the compound commonly used in the manufacture of glass to increase the index of refraction?
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Chapter 12 Solutions
Chemistry: Structure and Properties (2nd Edition)
Ch. 12 - What is graphene? Why is graphene unique?Ch. 12 - Prob. 2ECh. 12 - What is a crystalline lattice? How is the lattice...Ch. 12 - Prob. 4ECh. 12 - Prob. 5ECh. 12 - What is the difference between hexagonal closest...Ch. 12 - What are the three basic types of solids and the...Ch. 12 - Prob. 8ECh. 12 - What kinds of forces hold each of the three basic...Ch. 12 - Prob. 10E
Ch. 12 - In an ionic compound, how are the relative sizes...Ch. 12 - Prob. 12ECh. 12 - Show how the fluorite structure accommodates a...Ch. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Prob. 16ECh. 12 - Prob. 17ECh. 12 - Prob. 18ECh. 12 - Prob. 19ECh. 12 - Describe the difference between vitreous silica...Ch. 12 - Prob. 21ECh. 12 - Prob. 22ECh. 12 - Prob. 23ECh. 12 - Prob. 24ECh. 12 - What is a polymer? What is the difference between...Ch. 12 - Prob. 26ECh. 12 - Prob. 27ECh. 12 - An X-ray beam of unknown wavelength is diffracted...Ch. 12 - Prob. 29ECh. 12 - Determine the coordination number for each...Ch. 12 - Calculate the packing efficiency of the...Ch. 12 - Prob. 32ECh. 12 - Prob. 33ECh. 12 - Molybdenum crystallizes with the body-centred unit...Ch. 12 - Rhodium has a density of 12.41 g / cm3 and...Ch. 12 - Barium has a density of 3.59 g/cm3 and...Ch. 12 - Prob. 37ECh. 12 - Palladium crystallizes with a face-centered cubic...Ch. 12 - Prob. 39ECh. 12 - Identify each solid as molecular, ionic, or...Ch. 12 - Which solid has the highest melting point? Why?...Ch. 12 - Which solid has the highest melting point? Why?...Ch. 12 - Which solid in each pair has the higher melting...Ch. 12 - Which solid in each pair has the higher melting...Ch. 12 - Prob. 45ECh. 12 - Prob. 46ECh. 12 - The unit cells for cesium chloride and barium(ll)...Ch. 12 - Prob. 48ECh. 12 - Prob. 49ECh. 12 - Prob. 50ECh. 12 - Prob. 51ECh. 12 - Consider the zinc blende structure in Figure 12.14...Ch. 12 - Prob. 53ECh. 12 - Prob. 54ECh. 12 - Prob. 55ECh. 12 - What are the name and formula of the compound...Ch. 12 - Prob. 57ECh. 12 - Prob. 58ECh. 12 - Prob. 59ECh. 12 - Prob. 60ECh. 12 - Prob. 61ECh. 12 - How many molecular orbitals are present in the...Ch. 12 - Prob. 63ECh. 12 - Prob. 64ECh. 12 - Prob. 65ECh. 12 - Prob. 66ECh. 12 - Prob. 67ECh. 12 - Prob. 68ECh. 12 - Prob. 69ECh. 12 - Saran, the polymer used to make saran wrap, is an...Ch. 12 - One kind of polyester is a condensation copolymer...Ch. 12 - Nomex, a condensation copolymer used by...Ch. 12 - Prob. 73ECh. 12 - Polyacrylonitrile (PAN) is an addition polymer...Ch. 12 - Prob. 75ECh. 12 - Prob. 76ECh. 12 - Prob. 77ECh. 12 - Prob. 78ECh. 12 - Prob. 79ECh. 12 - Prob. 80ECh. 12 - Prob. 81ECh. 12 - The density of an unknown metal is 12.3 g/cm3 and...Ch. 12 - An unknown metal is found to have a density of...Ch. 12 - Prob. 84ECh. 12 - Prob. 85ECh. 12 - Prob. 86ECh. 12 - Prob. 87ECh. 12 - Prob. 88ECh. 12 - Prob. 89ECh. 12 - Prob. 90ECh. 12 - Prob. 91ECh. 12 - Perovskite is a compound with a cubic unit cell...Ch. 12 - Prob. 93ECh. 12 - Despite Dalton's laws, it is now known that many...Ch. 12 - During the glass manufacturing process, the liquid...Ch. 12 - Why are X-rays used for crystallography? Why not...Ch. 12 - Compare the crystal structure of diamond (C) and...Ch. 12 - Prob. 98ECh. 12 - Prob. 99ECh. 12 - Have each group member select one of the cubic...Ch. 12 - Prob. 101ECh. 12 - Prob. 102ECh. 12 - Prob. 103ECh. 12 - Prob. 104ECh. 12 - Prob. 105ECh. 12 - Prob. 1SAQCh. 12 - A crystalline solid has a body-centered cubic...Ch. 12 - Prob. 3SAQCh. 12 - Prob. 4SAQCh. 12 - Prob. 5SAQCh. 12 - Prob. 6SAQCh. 12 - Prob. 7SAQCh. 12 - Prob. 8SAQCh. 12 - Prob. 9SAQCh. 12 - Prob. 10SAQCh. 12 - Prob. 11SAQCh. 12 - Prob. 12SAQCh. 12 - Prob. 13SAQCh. 12 - Prob. 14SAQCh. 12 - Prob. 15SAQ
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- 8.13 What is the coordination number of atoms in the diamond structure?arrow_forwardI am given a sample of an unknown metal X. The density of the metal is 8.90g/cm3. X-ray diffraction studies determine that the packaging of the metal is face centered cubic, and they also measure the radius of X to be 128pm. Find the identity of X.arrow_forwardAn isotropic amorphous vitreous substance (meaning that it has the same refractive index regardless of the direction of vibration of light passing through it and that it does not have a regular crystal structure). crystals O spectrometer O fragments Glassarrow_forward
- What is the value of 0 for the first diffraction line (n = 1) in bcc iron (atomic radius 126 pm) when the X-ray wavelength is 58.0 pm? Hint: Consider the closest set of lattice planes.arrow_forwardWhen an X-ray beam with a wavelength of 126.5 pm is incident on a metal crystal, it produces a peak in the X-ray spectrum at 31.2°. Assuming n = 1, determine the separation between layers of atoms (in pm) that gives rise to this peak. Report your answer to 1 decimal place.arrow_forwardIn X-ray crystallography, a small amount of oil is often used to mount the crystal sample on a glass fiber. Explain why neither the oil nor the glass fiber interferes with the diffraction pattern of the crystal.arrow_forward
- A crystalline sample has a diffraction peak at 17.2°. What is the corresponding d space in pm? Assume n = 1 and A = 71.1 pm. Report your answer to the ones place.arrow_forwardDefine the term body-centered cubic lattice?arrow_forwardIn terms of electron energy band structure, discuss the differences in optically transparent, translucent and opaque materials.arrow_forward
- What are the values of 2 theta for the first 3 diffraction lines of FCC gold (atomic radius 144 pm) when the x-ray wavelength is 154 pm?arrow_forwardWhen an electron beam penetrates a sample in the SEM microscope chamber, the properties of the electron beam (i.e., its energy, E, or equivalently, wavelengthe) are related to the spacing of the atomic planes, d, through the Bragg's diffraction relation: nλ = 2d sin 0 Where n is the integer order of diffraction. When Bragg's condition for a certain set of planes is met, a diffraction pattern can be produced and collected by a detector in order to analyze the crystal orientations and texture of the grains. Consider an incident beam energy of (1.47x10^1) keV, where the electron wavelength is given by the de Broglie equation: de = h 2m (Eo " where m is the mass of an electron and E is expressed in joules. If the electron beam is directed at a silicon crystal that has a diamond-cubic crystal lattice with a lattice parameter of (4.8800x10^-10) meters, what is the value of the incident angle (0) produced to satisfy the first order diffraction of the (220) plane? Express you answer in…arrow_forwardDescribe the structure of diamondarrow_forward
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