Determine the four-indices and three-indices Miller-Bravais directions shown below for the hexagonal close-packed (HCP) structure (with detailed steps). (12 marks) (i) (ii)
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- In a vacuum chamber filled with argon gas at 100 mTorr, a plasma is ignited resulting to 1% ionization. This is already a "hot plasma" by lab processing standards. Calculate the number density of plasma electrons (should be about the same as the argon ion density due to quasineutrality) in this 1% ionized plasma.In a vacuum chamber filled with argon gas at 100mTorr, a plasma is ignited resulting to 1% ionization. This is already a "hot plasma" by lab processing standards. Calculate the number density of plasma electrons (should be about the same as the argon ion density due to quasineutrality) in this 1% ionized plasma.I) Diamond crystallises in a face-centred cubic structure with a = 3.5625 Å. Calculate the d-spacing and peak position of the first allowed peak (i.e. the peak with the lowest hkl value that meets the selection rules) using a wavelength of 0.71073 Å. II) A solvothermal synthesis gave rise to a mixture of two crystalline phases: one phase consists of 50-65 μm octahedral crystallites while the other phase consists of 150-180 μm hexagonal plates. Identify a separation technique that would likely be effective in separating these materials.
- atomic radius is 0.1430 nm calculate the planer density of (211) plane at BCC structureTrue or False 1. When reacting a metal that can be included in tetracycline coordination, it should give a the drug a 3D arrangement rather than a planar because of the delocalization of the electrons on the ring. 2. Macrolides such as erythromycin are used as alternative for patients with allergy on beta-lactam antibiotics 3. Concomitant administration of cephalosporins and macrolides can prolong the QT elongation in electroencephalogram 4. When administered orally, azithromycin has a long duration of action 5. Chloramphenicol are known to cause a Type B adverse drug reaction known as Cross-allergic reactionsSpectrum (a) in the figure to the right is the UV-vis absorption spectrum of CdTe nanoparticles. What is the bandgap of these particles in eV? (TIP: You don’t need to square the absorbance values.)
- 1. "Band structure" of "Hatom chain" and "H mole chain" are drawn as "graphs" and "intermediate process". Describe it in detail.Determine the linear and planar densities of the (111) direction of zinc (HC structure).A device to understand how iron behaves at high temperatureswe want to design. This device (with 1% accuracy) allows the change in volume (heating) of a 1cm 3 iron cube.the resulting polymorphic transformation) must be able to feel. HMK structure in iron 911 0 C and latticeparameter 0.2863 nm. At 913 0 C, it has YMK structure and its lattice parameter is 0.3591 nm. Of measuring instrumentDetermine the accuracy tolerance it needs (i.e. at least how many cm 3 to detect a changemust). It is necessary to use at least 6 digits after the comma in this question. Hint: YMK first andFor HMK, the volume of an atom is found and then, using the number of atoms in each structure, the ironThe question can be started by finding the different volumes.
- In a vacuum chamber filled with argon gas at 100mTorr, a plasma is ignited resulting to 1% ionization. This is already a "hot plasma" by lab processing standards. Calculate the number density of plasma electrons (should be about the same as the argon ion density due to quasineutrality) in this 1% ionized plasma. (You can find all relevant constants in the net).We have a pink crystals of an ionic compound of an f- block element (M). The crystals house the octahydrate [ M(H2O)8]3+ and an anion which is not chloride and does not luminesce under UV. (A) First, draw and label a plausible solid-state geometry for the hydrated cation. (B)Provide ALL potential identities for the f- block element, M, based on the information supplied above, defending your choices and discussing the applicable chemical concepts. (C)What are the potential solid state MCI3 geometries and coordination numbers for ALL of the components proposed in section (B)? Explain briefly why, focusing on the key chemical principles. (D) In ion - exchange chromatography, which of the trivalent f-block ions indicated in component (B) would you anticipate to elute first? Explain your response, emphasising the important chemical concepts.I need backgorund information of ferrocene and it's components also who found it. Thank you so much!