Calculate the planar density for the (110) plane in (bcc) Fe. The lattice parameter for this structure is 0.124 nm.

Q: (i) What type of non-stoichiometric point defect is responsible for the pink colour of LiCl?(ii)…

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Q: What is your ideal change of agent? and why?

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Q: CaO forms a solid solution with Bi2O3 to give a material with a high anionic conductivity. If 10…

A: Given:-         CaO forms a solid solution with Bi2O3 to give a material with a high anionic…

Q: Determine the lattice constant, a (in nm), of a metal conforming to the BCC structure having an…

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Q: Explain why does conductivity of germanium crystals increase on doping with galium.

A: Gallium is a trivalent element while germanium is tetravalent

Q: what are some of the ways to identify a cyanide hazard in a gold mining and ore processing site and…

A: According to the ICMC, the amount of cyanide used in commercial gold operations is typically in the…

Q: What is the structure factor of Cu3Au? What is the coordination number of Cu in Cu3Au ?

A: The structure and the coordination number of  Cu3Au has to be given,

Q: This is the most common industrial process for preparing large-scale production of nanoparticles…

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Q: Explain the effect of dispersed phase in determination the properties of osite materials?

A: Effect of the dispersed particles on the composite properties depends on the particles  Large…

Q: Using the plot from the previous problem, discuss the effects of manganese on Le toughness of the…

A: Metals forms alloys when they mixed in a definite proportion to get material of desired properties.

Q: Write the chemical equation that describes the dissolution of gypsum in water and describe how many…

A: Gypsum dissociates in water to form its ions.

Q: Data on a single crystal of NiSO4⋅7H2O give χm = 6.00 × 10−8 m3 mol−1 at 298 K. Identify the…

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Q: Properties of Liquids and IMF.   Give a brief explanation

A: There are three main states of matter - solid, liquid, and gases. The liquid is a state of matter in…

Q: Estimate the mole fraction of Schottky and Frenkel defects in NaCl crystal at 1000K. The energies of…

A: Ionic solids possessing small difference in anionic as well as cationic size exhibits Schottky…

Q: What is the charge balance if, in addition to Mg2 and Br, MgBr is formed?

A: In a chemical reaction, the solution should be neutral.It means the amount of positive charges and…

Q: 1. What are the practical implications of alloying in carbon and alloy steels?

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Solid CuI2 is unstable relative to CuI at room temperature, but CuBr2, CuCl2, and CuF2 are all…

A: Born haber cycle for CuI.CuI→Cus+12I2g         ∆E1Cus →Cug…

Q: Solutions of Cu (NO3)2, FeCl3, and CaCO3 of the same concentration are added to identical samples of…

A: Electrolytes are those substances that can conduct electricity by dissociating into positively and…

Q: Account for the fact that LiF and CsI have low solubility in water whereas LiI and CsF are very…

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Q: Explain why ionic attractions are weaker in media with high dielectric constants, e. g., water and…

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Q: What is the major limitation of IR regarding the materials that can be used for instrumental…

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Q: By making use of CFT in tetrahedral and octahedral geometries, predict whether nickel ferrite…

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Q: AZ91 alloy; a) What is its chemical composition? b) Which of the strength increasing methods are…

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Q: 1.6. The E-k relation of phonons of GaAs is shown below. Discuss, preferably in less than 20 words,…

A: Given:  The E-K relation of phonons of Ga- As in the figure.  GaAs is an Direct band gap…

Q: What do the silicate structures include?

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Q: Write the structure factor equation for the perovskite-type compound of the chemical formula SrTiO3.…

A: The chemical formula is SrTiO3. The atomic coordinates are Sr: (0.5 0.5 0.5) Ti: (0 0 0) O: (0.5 0…

Q: a) For a material having FCC crystal cell structure, write the expressions for Planar atomic density…

A: Planar density is calculated by dividing the number of atoms present in the plane by the area of the…

Q: A sample of an impure iron ore is believed to be approximately 55% w/w Fe. The amount of Fe in the…

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Q: Write a balanced ionic equation to represent the oxidation of iodide ion (I- ) by permanganate ion…

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Q: SOFC, Proton conducting membrane

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Q: Define the following terms:(i) Roasting (ii) Calcination

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Q: The standard enthalpy of decomposition of the yellow complex NH3SO2 into NH3 and SO2 is +40 kJ…

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Q: Calculate the theoretical volume change accompanying a polymorphic transformation in a pure metal…

A: Since you have asked multiple questions questions, we will solve the first question for you. If you…

Q: 7. The enthalpy of formation of Frenkel defects (kJ mol) is AgCI, 140, AgBr, 109, AgI, 58. The…

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Q: 5. Describe the crystal structure of BaFei2O19. What is the relation between permeability with…

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Q: Using the Debye-Huckel Limiting law, calculate the activity coefficient of sulfate ion with u =…

A: Given:-

Q: Calculate the acidity and basicity degrees for the slag composed of 56 % SiO2; 18 % FeO; 5 % CaO, 21…

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Q: If blast furnace slag is activated by NaOH, resulting in the formation of alkali-activated slag…

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Q: The U.S. Department of Energy has set the benchmark of 6% H by weight for an acceptable hydrogen…

A: given materials : NaAlH4, LiAlH4, LaNi5H6,  TiFeH2

Q: How can you characterize Graphene based nano composites?

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Q: 2. Write the two defect reactions for the solution of Nb2O5 into TiO2 3. Calculate the lattice…

A: Since you have posted multiple questions in a single session we are entitiled to answer first…

Q: Estimate the theoretical density for molybdenum, a BCC metal, when the atomic mass and atomic radius…

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Group 14 Elements

The following elements come under group 14 of the periodic table.