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![Sketch within a cubic cell the following Miller Indices: a. [0 -1 -1] b. [10
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- Si crystalizes into a diamond crystal structure with lattice constant a = 0.543\: nma=0.543nm. Calculate the atomic density in units of cm^{-3}cm−3. Values within 5% error will be considered correct.Spacing between the (200) planes is twice as big as the spacing between the 100 planes in BCC unit cells. True or false.11) JJ Techie calcined some ceramic powders at 1600℃ for 12 hrs, when removed from the furnace, JJ was upset to find a big hard lump. Explain to JJ what happened. b) After grinding up to the lump, someone told JJ to add a sintering aid and deflocculant to the ceramic before trying to press it into cylinders 10 inch by 0.25 inch in diameter. Do you have any suggestions for JJ? JJ needs this size ceramic rod for experiments.
- Consider a bcc lattice, with cube side length a = 0.83 nm. What is (approximately) the linear density along the close-packed direction? a. 1.391 nm-1 b. 0.830 nm-1 c. 1.205 nm-1 d. 0.852 nm-1 please answer quickly no working needed#9 Help ASAP pls9) A Cu monocrystal (FCC) of 10 cm length is pulled in tension. The stress axis is [¯123].a) Which is the stress system with the highest resolved shear stress?(b) If the extension of the crystal continues until a second slip systembecomes operational, what will this system be?(c) What rotation will be required to activate the second system?(d) How much longitudinal strain is required to activate the second system?
- packed columns the stationary phase is: (a) packed in the column (b) coated inside the column (c) a & b are correct (d) none of them11) JJ Techie calcined some ceramic powders at 1600℃ for 12 hrs, when removed from thefurnace, JJ was upset to find a big hard lump. Explain to JJ what happened. (10 points)12) Continue to Question 9, After grinding up to the lump, someone told JJ to add a sintering aidand deflocculant to the ceramic before trying to press it into cylinders 10 inch by 0.25 inch indiameter. Do you have any suggestions for JJ? JJ needs this size ceramic rod for experiments. Number 12 please the information in question 11 is applicable.A batch of raw milk was tested and found to contain a bacterial population of 8xl06cfu/ml. It is to be pasteurised at noc for 33 seconds. The average D value at 52°C for the mixed population is 11 min. The z value is 10°C.i)Explain the terms "D value" and "z value".ii)Calculate how many organisms will be left after pasteurisation.iii)Hpw much time will be needed at 62°C to accomplish the same degree oflethality?iv. How much time will be needed at 82°C to achieve the same degree oflethality?
- Microstructure of a steel contain 100% coarse pearlite it carbon content is reported to be 0.65% is it possible? And why ?Fluorite (CaF2) has a face centered cubic structure, space group 225, with network parameter equal to 5.45 Å), with four CaF2 units per cell unitary (Ca+ at site 4a(0,0,0) and F- at site 8c(1/4.1/4.1/4 and 3/4.3/4.3/4) + face centered cubic lattice translations for both ions). a) Get a simplified expression for the structure factor F(hkl) of fluorite. (b) What condition must be fulfilled by the Miller indices h,k,l in such a way that F(hkl) ≠ 0?The resistance of a conductivity cell containing a 0.01 mol KCl solution cm-3 is 150 Ω and the conductivity of this KCl solution is 1.41 × 10-3 Ω-1 cm-1. The same conductivity cell resulting in a resistance of 51.40 Ω for 0.01 HCl solution mol cm-3. Calculate a cell constant and conductivity of the HCl solution.