Question
In: Mechanical Engineering
(a) What is the difference between atomic structure and crystal structure (b) Sketch the BCC and...
(a) What is the difference between atomic structure and crystal structure
(b) Sketch the BCC and the FCC unit cells and show that the atomic packing factor for a BCC unit cell is 0.68.
(c) Molybdenum has a BCC unit cell, has an atomic radius of 0.1363 nm, and an atomic weight of 95.94 g mol. Compute its theoretical density and compare your answer with its experimentally measured density of 10.22 g cm³. The Avogadro’s number is 6.023x1023 atoms mol- and 1 nm is 109 m.
(d) What is a polymorphic (allotropic) phase change? Give example.
Solutions
samet mamat answered 8 months agoRelated Solutions
What is the crystal structure with the least atomic packing factor in metal?
What is the crystal structure with the least atomic packing
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what is the difference between crystal form, crystal
habit and crystal morphology? define the three terms
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Draw a picture for what it means for a crystal lattice to be fcc,
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Explain the difference between the asymmetric unit and the unit cell of a protein crystal. (b)...
Explain the difference between the asymmetric unit and the unit
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explain the following: a. what is lattice, basis, and crystal? explain the difference of them b....
explain the following:
a. what is lattice, basis, and crystal? explain the difference
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b. bravais lattice and non bravais? explain and give example
c. primitive vactors?
d. brillouine zone? why we must study brillouine zone?
Atomic structure.
How many moles of electrons weigh one kilogram?A. 6.022 x 1023B. 1 / 9.108 x 1031C. 6.022 / 9.108 x 1054D. 1 / 9.108 × 6.022 x 108
Q17. With a sketch explain what is the difference between REAL as opposed to IDEAL algorithms?...
Q17. With a sketch explain what is the difference between REAL
as opposed to IDEAL algorithms? When would you choose between REAL
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algorithms?
Q21. Does a FEED FORWARD controller have PID
settings?
What is the difference between a classical structure and a neoclassical structure? Provide examples of each...
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what are differnce between the structure factor and atomic factor ?
please write clear solution and step by step and this problem
in solid physics
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