Chemistry: Structure and Properties (2nd Edition)
2nd Edition
ISBN: 9780134293936
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 12, Problem 82E
The density of an unknown metal is 12.3 g/cm3 and its atomic radius is 0.314 nm. It is a face-centered cubic lattice. Find the
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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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- Metallic chromium has a body- centered cubic structure (all atoms at the lattice points) and a density of 3 7.20 g/cm³. Assume chromium atoms to be spheres. The spheres in a body- centered array оcсиру 68.0% of the total space. Find the atomic radius of chromium. The volume of a sphere is equal to 4Tr /3. Radius = %3|arrow_forwardAn unidentified elemental solid has a density of 5.36 g/cm³. As a solid this element adopts a cubic unit cell with eight atoms per unit cell and an edge length of 565 pm. Based on its molar mass, what is the atomic symbol for this element? symbol:arrow_forwardLead, Pb, is used in solders as radiation shield. It adopts the face centered cubic unit structure with each of the atom having a diameter of 0.35 nanometer. Find the theoretical density of lead in g/cm^3 if the molecular weight of this metal is 207.2 g/mol.arrow_forward
- A hypothetical element, Le, has a body centered cubic structure with a density of 6.57 g/cm3. Calculate its atomic radius in pm. Atomic Mass: Le: 55.334 g/mol Round your answer to 2 decimal places. Add your answerarrow_forwardThe ionic compound, CsI, forms a body centered cubic structure (see below) where the anions occupy the corners of the crystal (red) and the cations the body centered position (green). If the density of the compound is 4.51 g/cm^3 and the ionic radius of Cs + is 169 pm, what is the ionic radius of I − in pm? Key Concept: The atoms are touching the diagonal in the center of the cube. This makes it equal to the sum of 2 times the radius of each atom. Strategy: Determine the length of the diagonal,d, and recall that the length of the side, l, is given by l = d/3 0.5. This is a result of the use of the Pythagorean theorem relating the length of the side to d.With the length of the side you can determine the volume of the unit cell.From the number of atoms in the unit cell determine the mass of the unit cell.Use these to get the density.arrow_forwardI'm not sure how I could answer this question.arrow_forward
- A hypothetical element, Ny, forms a face-centered cubic lattice with an atomic radius of 165 pm. Calculate the density of the element in g/cm3. Atomic Mass: Ny: 112.024 g/mol Round to 2 decimal places.arrow_forwardA hypotheticàl element, Ny, forms a face-centered cubic lattice with an atomic radius of 156 pm. Calculate the density of the element in g/cm. Atomic Mass: Ny: 114.771 g/mol Round your answer to 2 decimal places.arrow_forwardPlease don't provide handwriting solutionarrow_forward
- adwa Some hypothetical metal has a simple cubic crystal structure. If its atomic weight is 61.25 g/mol and the atomic radius in atomic radius is 0.174 nm, calculate its theoretical density in g/cm3. NA = 6.022 x 1023 atoms/mo.arrow_forwardA (made-up) metal has a face-centered cubic crystal structure. Its density is 20.5 g/cm 3. Its molar mass is 189 g/mol. What is the radius of an atom of the metal? O 9.39 x 10 7 cm 1.39 x 10 8 cm 8.02 x 10 7 cm 2.60 x 10 -9 cm 1.84 cm x 108 2.69 x 10 8 cm 2.49 x 10 9 cm 1.51 x 10 8 cm O O Oarrow_forward11- An unidentified metal crystallizes in a body-centered cubic lattice with an edge length of 351 pm. The density of the metal is found to be 0.533 g/cm³. What is the atomic weight? * Pm = 10-12 marrow_forward
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