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A: Given that : For Ni, the length of the cubic unit cell edge = 3.53 Å For Ni3Al, the length of the…
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A: Given: mass of sample = 20 g Initial volume of water = 12 mL Final volume of water = 13.67 mL edge…
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A: (a) Nickel arsenide have hexagonal close packed unit cell (hcp).
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A: The band gap is the energy difference between the conduction band and valence band.
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A: Edge length, a = 289 pm 1 pm = 10-10 cm a = 289 × 10-10cm For BCC, Number of atoms per unit cell = 2
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A: The two-dimensional unit cells can be drawn as shown below:
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A: Please find the below attachments.
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A: Glass transition behavior in highly cross-linked and highly crystalline polymers.
Q: Ni3Al is used in the turbines of aircraft engines because of its strength and low density. Nickel…
A: Given that : For Ni, the length of the cubic unit cell edge = 3.53 Å For Ni3Al, the length of the…
Q: a) what ‘s the solution?
A: Since you have posted multiple questions, we will solve only first question for you. If you want any…
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A: Number of atoms of a component (ni) in the given alloy is calculated as shown below.
Q: Question attached
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A: Doping increases the conductivity as follows.
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A: 4) Given, Atomic radius of Rhodium (r) = 0.1345 nm = 0.1345 × 10-7 cm = 1.345 × 10-8 cm Density (d)…
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A: Solution - According to the question - Given -
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A: Solution : We can determine the defect in the sample of non-stoichiometric compounds. This can…
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A: Solution:
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A: The simple cubic cell is a cube with an atom on each corner. The only element that displays SCC at…
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A: Since you have asked multiple question, we will solve the first question for you. If you want any…
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- Lattice parameters of α and β phases were calculated from x-ray diffraction measurements performed in A-B alloys with different compositions, all quenched from 500, 600 and 700 °C. Draw a schematic A-B phase diagram using this informationAn ideal quantum dot for use in TVs does not contain anycadmium due to concerns about disposal. One potentialmaterial for this purpose is InP, which adopts the zinc blende (ZnS) structure (face-centered cubic). The unit celledge length is 5.869 Å. (a) If the quantum dot is shaped likea cube, how many of each type of atom are there in a cubiccrystal with an edge length of 3.00 nm? 5.00 nm? (b) Ifone of the nanoparticles in part (a) emits blue light and theother emits orange light, which color is emitted by the crystalwith the 3.00-nm edge length? With the 5.00-nm edgelength?1. The following unit cell volumes and densities have been measured for the given compounds. Calculate Z for the crystal, and comment on how well (or badly) the '18 A° 3 rule' works for each compound: a) methane (CH4) at 70 K: V= 215.8 A° 3, D = 0.492g cm-3
- what is the plain of the closest packing of FCC and BCC?The maximum wavelength of light that a certain silicon photocell can detect is 1.11 μm. (a) What is the energy gap (in electron volts) between the valence and conduction bands for this photocell? (b) Explain why pure silicon is opaque.A20g_sample of a n0nreactiveMetal is placed in flask c0ntaining 12mL 0f water; the final v0l 0f water is 13.67mL. If the length 0Fthe edge 0f the unit cell is 0.387nm and the atomic radius is 0.137nm. Determine the packing arrangement (BCC, FCC, or HCP) Find the at0mic weight 0f the metal in g/m0l
- 2. What is glass-ceramic? Please explain the differences between glass and glass & ceramics ? (Please consider microstructures and mechanical behavior etc.) a) If you want to obtain transparent diopside glaze, which oxides/raw materials will you choose, why? What parameters will you pay attention to create these crystals? Why? b) When you prepared transparent anorthite glaze, you realized that, this glaze did not show transparent property and it was completely opaque. What are the reasons for this effect? How will you solve this problem? Please explain ?When you shine light of band gap energy or higher on asemiconductor and promote electrons from the valenceband to the conduction band, do you expect the conductivityof the semiconductor to (a) remain unchanged,(b) increase, or (c) decrease?Which is not likely to lead to an increase in electrical conductivity?a. Increasing the temperature of a semiconductorb. Choosing a semiconductor with a smaller band gapc. Doping the semiconductord. All of the above would likely lead to an increase in electrical conductivity.
- a) calculate the packing efficiency of a body-centred cubic structure. (show working) b) the density of Co, Ni and Cu are all 8.9 g cm^-3 while the density of Fe is 7.8) g cm^-3. Explain why the density of Co, Ni sand Cu are the same and the density of Fe is lower. c) KBr adopts the rock salt structure, which unit cell length a= 6.5944 Å. Calculate the density of KBr (show working)An ideal quantum dot for use in TVs does not contain anycadmium due to concerns about disposal. One potentialmaterial for this purpose is InP, which adopts the zincblende (ZnS) structure (face-centered cubic). The unit celledge length is 5.869 Å. (a) If the quantum dot is shaped likea cube, how many of each type of atom are there in a cubiccrystal with an edge length of 3.00 nm? 5.00 nm? (b) Ifone of the nanoparticles in part (a) emits blue light and theother emits orange light, which color is emitted by the crystalwith the 3.00-nm edge length? With the 5.00-nm edgelength?Ni3Al is used in the turbines of aircraft engines because of its strength and low density. Nickel metal has a cubic close-packed structure with a face-centered cubic unit cell, whereas Ni3Alhas the ordered cubic structure shown in the figure below. The length of the cubic unit cell edge is 3.53 Å for nickel and 3.56 Å for Ni3Al. Use these data to calculate and compare the densities of these two materials. a). Give the calculated density of pure nickel (FCC with an edge length of 3.53 Å). Express the density in grams per cubic centimeter to three significant digits b). Give the calculated density of the Ni3Al alloy (ordered structure shown in the image with an edge length of 3.56 Å). Express the density in grams per cubic centimeter to three significant digits.
