Austenite form of iron has fcc crystal lattice structure,whereas its alpha form has bcc crystal lattice structure. Assuming closest packed arrangement of iron atoms, what will be the ratio of density of Austenite to that of alpha iron? A. 1:1.088 B. 1:1.837 C. 1:1 D. 1.088:1

Q: FCC or BCC

A:

Q: Determine the solid with the highest melting point. O CHF,(s) O CF,(s) O H,O(s) O KCI(s)

A: Compound with the strongest inter-molecular interaction in solid state will have highest melting…

Q: The atomic radius of metal X is 1.30×102 picometers (pm) and a crystal of metal X has a unit cell…

A: Given,Atomic radius of metal = 1.30*102picometers.Atomic weight = 42.3g/mol.One mole of element…

Q: Which of the following structure is more brittle? O a. Hexagonal closed pack structure O b.…

A: Applying concept of packing and molecular arrangements of hcp , bcc and fcc.

Q: C, the equillbrium humber of Vacancles Is 4.7 X The atomic weight and density for Ni are 58.69 g/mol…

A: Please find the answer attached as handwritten note.

Q: Describe the crystal structure for the compound CaFe203. (In your answer describe how the O2-, Fe3+…

A: In the given problem we need to describe the crystal structure of CaFe2O3.

Q: Which solid would you expect to have the largest band gap?a. As(s)b. Sb(s)c. Bi(s)

A: Band gap: It is defined as the energy gap between conduction and valence bond, if the band gap is…

Q: Metamorphic rock is formed through and F heat, pressure G fire, cooling H weathering, erosion J…

A: F) HEAT AND PRESSURE IS THE CORRECT ANSWER . Metamorphic rocks form when rocks are subjected to high…

Q: hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470 kg/m3, and its atomic…

A: The question is based on solid state. we have to calculate radius of the cube and then volume…

Q: Iron at January 12th continues heating from a BCC crystalline structure to an FCC crystalline…

A: The smallest unit which on repetition gives a crystal lattice is named as a unit cell. The net atoms…

Q: 23. As an iron wire is heated from room temperature it first lengthens, but at 200K it undergoes a…

A: In the given Question, there is in error i.e. the temperature mentioned should be 2000K not 200k.…

Q: D-vanadium has an atomic radius of 0.132 nm and a density of g/ cm3 6.1. Does it have an FCC or BCC…

A: For FCC , a = 22r = 2 x 1.414 x 0.132 x 10-7 cm  For BCC , a = 4r3 = 43 x 0.132 x 10-7 = 0.3048 x…

Q: Which solid would you expect to have little or no band gap?a. Zn(s)b. Si(s)c. As(s)

A: An element is assumed to have a valence band and conduction band. The gap between these two bands is…

Q: Vanadium has the Body-Centered Cubic (BCC) crystal structure. The atomic radius of Vanadium is r…

A: Provided value of r=0.132nm Provided crystal structure = body centered cubic crystal For body…

Q: 2. A hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470 kg/m3, and its…

A:

Q: h) Why did the steelworkers introduce the carbon into the metal? What role does it play and how does…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: For the shown crystal structure, write down (a) the Bravais lattice and (b) the basis of the…

A: To determine  (a) Bravais Lattice (b) Basis of Crystal lattice.

Q: Which solid has the highest melting point? Why? Ar(s), CCl4(s), LiCl(s), CH3OH(s)

A: The following compounds, Ar (s), CCl4 (s), LiCl (s), CH3OH (s) The melting point depends of the…

Q: Relating Density to Crystal Structure 1. Show that the atomic packing factor for FCC is 0.74. 2.…

A: Given,  The calculation for the atomic packing factor for BCC(Body centered cube) is:

Q: A sample of Pb ( Fcc structure ) with a lattice parameter of 0.4949 nm contains one vacancy per 500…

A: For FCC structure of Pb : Lattice Parameter = 0.4949 nm Atomic weight of Pb = 207 g mol-1

Q: FCC

A:

Q: Which solid has the highest melting point? Why? C(s, diamond), Kr(s), NaCl(s), H2O(s)

A: The melting point of any solid is defined as the temperature when the solid melts and converts into…

Q: melting point of aragonite and aquamarine?

A: Asked  that melting point of Aragonite, and aquamarine.

Q: (d) The figure below represents an FCC structure. Determine: i. The relationship between the lattice…

A: Face centred cubic structure can be defined as  the structure in which atoms are present at corners…

Q: RA A. WHAT TYPE OF INTERMOLECULAR FORCE EXIST BETWEEN THE FF PAIR 1. HBr and H;S 2. Cl, and CBr, 3.…

A: Intermolecular forces are the forces which exist between the different molecules.

Q: Gallium has an orthorhombic structure, with a0 0.45258 nm, b0 0.45186 nm and c0 = 0.76570 nm. The…

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

Q: The structure of the unit cell when CaF, crystallizes is shown below: What is the arrangement of the…

A: In CaF2 unit cell, each Ca2+ is surrounded by 8 F- atoms.

Q: Which statement is incorrect about a hexagonal closest-packed lattice (HCP)? Select one: O a. All…

A: Hexagonal closed packing is commonly known as HCP. It has the coordination number of 12. The number…

Q: Calculate the IPF for UO, which has the CaF, structure shown in the figure below F ions located at…

A: The given FCC lattice structure is UO2.  In the FCC lattice cube, the edge length is given as, a.…

Q: Solid calcium has a cubic closest-packed structure (fcc). Assuming that calcium has an atomic radius…

A: Solid calcium has a cubic closest packed structure. Atomic radius = 197 pm  ( 1 pm = 10-12 m ) and (…

Q: The melting point of copper metal is 1083 °C. The vapor pressure of solid copper is reported to be…

A: At given temperature (1060°C + 273 = 1333 K) and pressure (3.33 × 10-7 atm), the number of copper…

Q: Lithium SiO2, similar to Diamond Germanium KCI **

A: Here we will discuss the electrical properties of conductors, insulators and semiconductors based on…

Q: A certain element exists in a face-centered cubic structure. The atomic radius of an atom of this…

A:

Q: How do you describe the crystalline structure, and how does it form? What is the crystalline…

A: According to question it is asked to describe the crystalline structure,how it forms,crystalline…

Q: 3. a) Calculate the atomic packing factor for the face-centered cubic (FCC) crystal structure.

A:

Q: What explains why insulators have different electrical properties from metals? A More valence…

A: Answer: B) Band gap structure

Q: Q: quartz is feldspathic. a. True. b. False.

A: Quartz is one of the useful mineral .

Q: 20. Solid-state chemical sensors are manufactured using semiconductors such as Si and Ge. Doping…

A: Note: Since you have asked multiple questions and not specified, we will solve the first three…

Q: what is the plain of the closest packing of FCC and BCC

A: The cubic lattice contains atoms in the corners, face centres and body centres. This cubic lattice…

Q: Calculate the density of FeO, given that it has the rock salt crystal structure. Note, the basis is…

A:

Q: A/ copper have FCC structure and the atomic radius (r.) is 1.278 A. Calculate the density of copper…

A:

Q: Graphite has layered, structure Three dimensional structure .a Planar.b Pyramidal.cO Bipyramidal d

A: Structure of graphite

Q: What is the Face-Centered Cubic Crystal Structure?

A: FCC  In face-centred cubic systems, the cubic unit cell consists of atoms at the centre of each of…

Q: Which of the following statements regarding the cubic dense stacking (CW) of metals is incorrect? A.…

A: The most efficient conformation that atomic spheres can take  is closest  packing configuration. In…

Q: Explain the source of energy that able to move the lithosphere plate.

A: Interpretation -  To tell about the source of energy that able to move the lithosphere plate -…

Q: Which solid in each pair has the higher melting point and why?a. TiO2(s) or HOOH(s)b. CCl4(s) or…

A: Concept introduction: The melting point is the temperature at which solid state changes to liquid…