Pearson eText for Materials for Civil and Construction Engineers -- Instant Access (Pearson+)
4th Edition
ISBN: 9780137505586
Author: Michael Mamlouk, John Zaniewski
Publisher: PEARSON+
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Chapter 2, Problem 2.17QP
To determine
Calculate the density of molybdenum.
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Using the information available in Table, calculate the density of molybdenum given that it has an atomic mass of 95.94 g/mole.
A solid rectangular silver metal with a height of 0.48 m and a total mass
of 82.83 kg has the following characteristics: silver has a specific gravity
of 10.49.
What is the total area (7mm)of the silver?
Two hypothetical metals are created with different elements that have the same atomic mass (g/mole) and the same atomic radius. Metal A has a densityof 9.50 g/cm3 and metal B has a density of 8.73 g/cm3. If one of these metals has a BCC lattice structure and the other has an FCC lattice structure, identify the structure that corresponds to each of one of them. Justify your answer.
Chapter 2 Solutions
Pearson eText for Materials for Civil and Construction Engineers -- Instant Access (Pearson+)
Ch. 2 - Define elastic and plastic behaviors at the micro...Ch. 2 - Prob. 2.2QPCh. 2 - Prob. 2.3QPCh. 2 - Describe the order in which electrons fill the...Ch. 2 - Prob. 2.5QPCh. 2 - Why do atoms maintain specific separations?Ch. 2 - Prob. 2.7QPCh. 2 - Prob. 2.8QPCh. 2 - Prob. 2.9QPCh. 2 - Two hypothetical metals are created with different...
Ch. 2 - Prob. 2.11QPCh. 2 - Prob. 2.12QPCh. 2 - Prob. 2.13QPCh. 2 - Prob. 2.14QPCh. 2 - Prob. 2.15QPCh. 2 - Prob. 2.16QPCh. 2 - Prob. 2.17QPCh. 2 - Determine the density of a hypothetical BCC metal...Ch. 2 - Determine the density of a hypothetical FCC metal...Ch. 2 - Prob. 2.20QPCh. 2 - Prob. 2.21QPCh. 2 - Prob. 2.22QPCh. 2 - Prob. 2.23QPCh. 2 - Prob. 2.24QPCh. 2 - Prob. 2.25QPCh. 2 - Prob. 2.26QPCh. 2 - Prob. 2.27QPCh. 2 - Prob. 2.28QPCh. 2 - Prob. 2.29QPCh. 2 - Prob. 2.30QPCh. 2 - Prob. 2.31QPCh. 2 - Prob. 2.32QPCh. 2 - Prob. 2.33QPCh. 2 - Prob. 2.34QPCh. 2 - Prob. 2.35QPCh. 2 - Prob. 2.36QP
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- Calcium has an FCC crystal structure, density of 1.55 Mg/m3, and atomic massof 40.08 g/mole.a. Calculate the volume of the unit cell in cubic meters.b. Calculate the radius of the calcium atom.arrow_forwarda material A has a mass of 1kg and a volume of 20 ft^3. Calculate the specific volume of A.arrow_forward* Your answer is incorrect. Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and an atomic weight of 55.85 g/mol. Compute its theoretical density. 7.87 g/cm³arrow_forward
- A solid rectangular silver metal with a height of 0.42 m and a total mass of 58.02 kg has the following characteristics: silver has a specific gravity of 10.49. What is the total area ( mm? Jof the silver?arrow_forwardTwo hypothetical metals are created with different elements that have the same atomic mass (g/mole) and the same atomic radius. Metal A has a density of 9.50 g/cm3 and metal B has a density of 8.73 g/cm3. If one of these metals has a BCC lattice structure and the other has an FCC lattice structure, identify the structure that corresponds to each of one of them. Justify your answer.arrow_forwardThe nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each particle has a mass of 1.67 x 1027 kg and radius on the order of 10-15 m. (a) Use this model and the data provided to estimate the density of the nucleus of an atom. (b) Compare your result with the density of a material such as iron (p = 7874 kg/m3). What do your result and comparison suggest about the structure of matter?arrow_forward
- Considering an alloy of the two soluble components A and B described by a phase diagram similar to that shown in Figure 2.14, determine the masses of the alloy that are in the liquid and solid phases at a given temperature if the total mass of the alloy is 100 g, component B represents 40% of the alloy, 20% of the liquid is component B, and 70% of solid is component B. This question is answered on here but I don't get how to get from step 3 to step 4 math wise. it goes from 20*ml + 70Ms=40x100 to solving simultaneously Ml= 60g Ms= 40g Trying to figre out how the math works to get to the final answerarrow_forwardCalculate the atomic densities of the directions [100], [111] and [110] in a face centered cubic structure.arrow_forwardCalculate the theoretical density of Cao, given that it has the rock salt crystal structure (see Figure 3). Take the radius of the Calcium and oxygen ions to be 0.1 and 0.14 nm, respectively. The Atomic Weight (g/mol) of Calcium is 40.07, whilst oxygen is 16.00. Figure 3. A unit cell for the calcium oxide (CaO), crystal structure Select one: a. 8.417 g/cm3 b. 1.683 g/cm3 c. 3.367 g/cm3 d. 4.489 g/cm3arrow_forward
- Density of stainless steel= 7860 kg/m^3arrow_forward8.12 The term molar mass was introduced in Chapter 3. Molar mass is numerically equivalent to molecular mass, although the units are different, for a covalent compound. What is the advantage of using the term molar mass when we discuss ionic compounds?arrow_forwardLead has one of the highest densities of all the pure metals at 11,240 kg/m^3. What is the density of Lead in units of Lin/in^3?arrow_forward
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