A niobium alloy is produced by introducing tungsten substitutional atoms in the BCC structure. The lattice parameter and density of the alloy is 0.3285 nm and 12.25 g/cm3, respectively. Calculate the fraction of tungsten alloys. (AW = 183.85 g/mol, ANb =92.91 g/mol).

Q: 2-A metal has an BCC structure with an atomic radius of 0.128 nm and atomic weight of 51.99 g/mole.…

A: Given: The atomic radius of the BCC structure is 0.128 nm. The atomic weight is 51.99 g/mole.

Q: Chromium(IV) oxide is used in making magnetic recording tapes because it is paramagnetic. It can be…

A:

Q: How would one classify a silicon crystal doped with indium? A. conductor B. n-type semiconductor…

A: AnsHow would one classify a silicon crystal dopwd with IndianA.conductorB.n-type…

Q: Sketch a phase diagram for two soluble components. Show the melting temperature of each element.…

A: Solution The phase diagram of completely soluble element is shown in the figure drawing in the…

Q: 2. In a copper-nickel system as shown in figure, an alloy composition of 35 wt% Ni was cooled down…

A:

Q: Metals have a good conductivity for heat and electricity False True

A: There are three type of element :  Metal  Non metal  Semi conductor.

Q: Which one does NOT exist in the iron-carbon equilibrium phase diagram? (A Graphite (B Ferrite…

A: Iron carbon equilibrium phase diagram is a graphical represestation between the temperature aalong Y…

Q: Structure of crystalline  solids Calculate the radius of a nickel atom in cm, given that Ni has an…

A: For Fcc crystal n=4 atoms/crystal we know that Avogadro number NA=6.022×1023atoms /molNow…

Q: Which magnetized material cannot be easily demagnetized? a. soft iron b. hard iron

A: The property of soft iron: Material has low retentivity, less hysteresis, and high saturation…

Q: Two hypothetical metals are created with different elements that have thesame atomic mass (g/mole)…

A: The body-centered cubic structure(BCC) has fewer number of shared atoms when compared with the…

Q: Calculate the radius of the aluminum atom, given that aluminum has an FCC crystal structure, a…

A: Given: Aluminum has the FCC crystal structure. The density of aluminum is 2.70 Mg/m3. The atomic…

Q: The specific gravity of glycerin is 1.26. Compute its specific weight and density.

A: The density of the substance as the specific gravity is given  is calculated by  Specific gravity…

Q: Glass that can change its optical properties is called chromogenic glass.

A: The chromogenic glass are the potentially valuable glass which helps in cooling the temperature in…

Q: 76 mm 12 mm 25 mm nm am nm nm

A:

Q: Determine the density of a hypothetical BCC metal with an atomic mass of 63.5 g/mole and atomic…

A: Given: BCC lattice structure Atomic mass, M = 63.5 g/mol Atomic radius, r = 0.128 nm   Also, Number…

Q: Referring to the BCC lattice structure shown in Figure P2.12 a. Determine the number of equivalent…

A: (a) In BCC lattice has an atom at each corner of the cube and a complete atom lies in the center of…

Q: Make a comparison between polymers and ceramics based on (a) mechanical properties and (b) on…

A: Brief Concept- Polymer- A polymer is a natural or manmade substance made up of large molecules…

Q: Uousan is a vacancy-interstitial pair formed when an ion jumps from a normal lattice point to an…

A: When equal number of anions and actions are missing from ionic crystal then such a defect is called…

Q: Describe FCC, BCC, and HCP lattice structures.

A: Face centered cubic structure (FCC): In face centered cubic structure (FCC), the atoms are located…

Q: Copper has an atomic radius of 0.128 nm (1.28A°), an FCC crystal structure, and an atomic weight of…

A: Atomic radius R =0.128nm Atomic Weight A= 63.5g/mol

Q: 5. Gibbs free energy is also known as a) Free energy b) Free entropy c) Free enthalpy d) Free motion

A:

Q: * Basalt is considered basic plutonic rock O basic volcanic rock acidic volcanic rock

A: Answer:- Basic Volcanic Rock Explaination:- Basalt is the one of the most common and basic volcanic…

Q: If aluminum has an FCC crystal structure and an atomic radius of 0.143 nm,calculate the volume of…

A: Given: The atomic radius is 0.143 nm.

Q: Determine the density of a hypothetical BCC metal having an atomic mass of 63.5 g/mole and atomic…

A: Given: BCC lattice structure Atomic mass, M = 63.5 g/mol Atomic radius, r = 0.128 nm   Also, Number…

Q: Question 35 is not a typical characteristic of ceramic materials. O low hardness O high temperature…

A: Option (a) is correct  Explaination in step 2

Q: Which of the following may cause magnetic particle test indications? O A joint between two…

A: Indications are subdivided into following types: 1. Relevant 2. Non-relevant 3. Spurious

Q: 8. Sl unit of enthalpy is a) Joule/kgK b) Joule/K c) Joule/kg d) K/kg

A: SI unit of enthalpy is_______ c) Joule/kg

Q: An over-potential of 250 mV is applied to platinum in an aqueous and electrolyte. What would be the…

A: Introduction : Mass spectrometry, gas chromatography, and amperometry have all been used to track…

Q: Calculate the unit cell edge length for an 57 wt% Ag- 43 wt% Pd alloy. All of the palladium is in…

A: Given data: The atomic weight of Ag is 107.87 g/mol and of Pd is 106.4 g/mol. The room temperature…

Q: State two applications where single crystals are used as well as two applications of amorphous…

A: A single crystal is also called monocrystalline solid. It is a type of material in which the entire…

Q: Usually materials with crystal structure fail in ductile mode O FCC O BCC О НСР O all of the choices

A: FCC: The full form of FCC is Face Centered Cubic. In this crystal structure, there is an atom in…

Q: 7.2) A silicon nitride cantilever beam is defined to be 800 microns in length by the photomask.…

A:

Q: Basalt is considered basic volcanic rock basic plutonic rock acidic volcanic rock * Hardness of…

A: To choose the correct choice considering Basalt.   Basalt is formed by the deposition and rapid…

Q: At 170°C, what is the maximum solubility (a) of Pb in Sn and (b) of Sn in Pb? The lead-tin phase…

A: The maximum solubility of Pb in Sn and Sn in Pb is shown below ;

Q: Determine the density of a hypothetical FCC metal with an atomic mass of 42.9 g/mole and atomic…

A: Given: The atomic radius r, is 0.132 nm. The atomic mass of thee hypothetical FCC metal A is, 42.9…

Q: Calculate the density of iron, given that it has a BCC crystal structure, anatomic radius of 0.124…

A: Given data- Iron element  BCC crystal structure. Atomic radius (r) = 0.124 nm Atomic mass (M) = 55.9…

Q: Question 27 At the eutectoid temperature, ledeburite is transformed into ferrite and cementite. O…

A: At the eutectoid temperature, ledeburite is transformed into ferrite and cementite. This statement…

Q: B) Estimate the theoretical density of Lead with the following information. Crystal structure FCC.…

A:

Q: The kinetics of the austenite-to-pearlite transformation obey the Avrami relationship. The fraction…

A: Consider the given table Calculate total time required for 98% of the austenite to transform into…

Q: The energy barrier for carbon-carbon bond rotation in propane is mainly due to O angle strain O bond…

A: The energy barrier for carbon-carbon bond rotation in propane is mainly due to torsion strain. The…

Q: Two hypothetical metals are created with different elements that have the same atomic mass (g/mole)…

A: Given: Density of Metal A = 9.50 g/cm3 Density of Metal B = 8.73 g/cm3 Metal A and Metal B have same…

Q: A 325 L of carbon tetrachloride weighs 500 kg. a. Calculate its density. b. Calculate its specific…

A:

Q: H.W3: Predict the ideal solubility of lead in bismuth at 280°C given that its melting point is 327°C…

A:

Q: 5. An increase in enthalpy leads to an increase in

A: Enthalpy increase may be due to the increase in temperature.

Structure of materials

The word ‘structure’ means the thing that is built or constructed from combining the different interrelated parts on a definite location on the ground surface. The structure should be able to possess sufficient rigidity against the external loads that are applied to it.