Q3: A unit cell of diamond structure belongs to the cubic crystal system and contains eight atoms of the same type and their positions are as follows. (000) Compute the structure factors Fok and |F|2

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A: In open system, heat and energy can be exchanged with the surrounding.

Q: What is the diffusion coefficient of 4"Ar gas in m? s at 493. K and 1.00 atm, and viscosity 2.23 x…

A: The expression of diffusion coefficient is shown below: Diffusion coefficient = 13vλ = hmN where; h…

Q: 2- Below information is given for nickel. Atomic weight of Ni: 58.7 g/mol Melting temperature: 1455…

A: A phase diagram shows the range of existence of phases in materials with more than one component.…

Q: Q2: Classify the quality of crude oil based on the properties listed in the table below and explain…

A: Classify Quality of crude oil based on the properties listed in table

Q: 1.5. The resistance of a platinum wire is found to be 11.0002 at the ice point, 15.247 2 at the…

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Q: Chloroform has ∆Hvaporization = 29.2 ??/??? and boils at 61.2 °C. What is the value of…

A: □Hvap. = 29.2 kJ/mol    = 29.2 × 1000 = 29200 J/mol Boiling point (T) = 61.2 °C   = 61.2 + 273 =…

Q: Explain how molecular weight of a polymer can be determined by dilute viscosity measurements?

A: Polymers are composed of multiples of simpler chemical units i.e. monomers or we can say polymers…

Q: Is it possible to have a homogeneous, binary liquid solution that has a higher (or lower) viscosity…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: 3. Write down the expression for retractive force, f, in terms of enthalpy, H and entropy, S, for…

A: Expression for rubber elasticity :  The unique elastic properties of rubber all arise from the…

Q: For a crystalline substance with a hexagonal unit cell, the distance interplanar d is given by the…

A: Given: a = 0.247 nm c = 0.679 nm Brag Plane = 002 To Calculate:  angle 2θ

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Q: Referring to the Al-Si Eutectic diagram discussed on the Phase Diagrams-Lever Rule handout,…

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Q: Explain the determination of molecular weight of polymer samples using dilute viscosity measurement

A: Molecular weight of a polymer can be determined by dilute viscosity measurements: Principle of the…

Q: What is the difference between a random heterogeneous material and a segregated heterogeneous…

A: A heterogeneous sample is the one that has non-uniform composition. They are further divided into 2…

Q: Nanostructures are from the breaking up of bulk materials a. The top down approach   b. The bottom…

A: Ans There are two classified approaches for the synthesis of nanomaterial and fabrication of…

Q: What is the amount of energy required (in KJ) to convert 100g of ice at -20 degrees to steam vapour…

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

Q: What is the diffusion coefficient of Zinc in Copper at 750degC? * 5.3241x10-¹² m²/s 5.3241x10-1³…

A: For Zinc in Copper,  We have D0=2.4×10-5m2/s,Qd=189000J/mol Given…

Q: Carbon tetrachloride melts at 250. K. The vapor pressure of the liquid is 10,539 Pa at 290 K and…

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Q: Calculate the permeability coefficient P of LDPE and PP at 45 Celcius, given that Ep= 40 kJ mol^−1…

A: The permeability coefficient of small gas molecule in polymer  PM = PM0  exp (-QpRT)

Q: If the boilng point of benzene is 80.1 degress C, and that delta H of b=30.7kJ/mole, what is the…

A: If the boiling point of benzene is 80.1 °C, and that ΔHvap of benzene = 30.7 kJ/mole, the boiling…

Q: At a temperature of -273.15 deg. C, this phase of matter exists:  Bose-Einstein Condensates Liquid…

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

Q: 1.0 0.5- 100 200 300 400 Temperature (K) (a) Estimate the normal boiling point and freezing point of…

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Q: In what way is specific gravity useful in pharmacy? Explain its application.

A: Specific gravity is defined as the ratio of a density of an object by the density of water. It is…

Q: The diffusion coefficient of glucose in water at 25 °C is 6.73 × 10−10 m2 s−1. Estimate the time…

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Q: The melting temperature of a DNA molecule (in the sense of the temperature at which it undergoes…

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Q: Q3) Calculate the ratio between the height to which ethyl alcohol rises to water by capillary action…

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Q: What is the apparent hard-sphere diameter of CO2 at 0°C? The viscosity of CO2(g) at 1 atm and 0°C is…

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Q: An elastomer is a polymer that can stretch and contract. In a perfect elastomer the force opposing…

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Q: Question 3 Describe the differences between steady-state diffusion and nonsteady-state diffusion

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Q: important ore of lithium is spodumene, LiAlSi,Og. To extract converted into the less dense ß form in…

A: The equation for conversion of the two forms of the lithium ore is as follows: Alpha-spodumene…

Q: Why the oscillating plots in the CO2 isotherm at temperature below Tc are considered to violate…

A: According to Boyle' law pressure is inversely proportional to the volume   this means as as pressure…

Q: The mobile phase of a GC is known as

A: GC is Gas Chromatography which is an analytical separation technique used to separate and identify…

Q: Calculate the number-average molar mass and the weight-average molar mass of a mixture of two…

A: Polymers are the large molecules that are composed of small repeating units known as monomers.

Q: Based from the given data about the penetration coefficient of beets in different concentration of…

A: Penetration coefficient depends on the tendency to penetrate or pass through a particular components…

Q: III. Experimental Data Table 3b.1. Observation on determination of melting point of unknown A.…

A: The percent error is calculated using the formula: Percent error=Actual value-theoretical…

Q: of Physies Question: suppose 1st year students de l- to a hill. wish to find the They go weight- of…

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Q: A metal sheet, 2 mm thick, has been exposed to nitrogen gas at 1473 K at the flux of 1.2 x 10-6…

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Q: AI-Si Eutectic, Calculate the mass fraction of the B phase, silicon, given a sample with 61.8 wt%…

A: Given, At 61.8 wt% aluminium at 576.99 oC. Formula Used Mass fraction = given masstotal mass of…

Q: Binary phase diagram of an aluminum – silicon mixture - Data: Tmelt(Al) = 660 °C Tmelt(Si) = 1412 °C…

A: The melting points of silicon and aluminum are given as 660°C and 1412°C respectively. The mol…

Q: orque can be calculated by multiplying the force (NNN) applied at  90∘90∘ to the lever arm at a…

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Q: Calculate the viscosity of a liquid sample of density 1.2 g/cm3 ,taking into account that a metallic…

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Q: Polyethylene terephthalate is an example of synthetic material in Materials and Engineering.  1.…

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Q: Surface agents that prevent particle agglomeration are: A. Pathogens b. foaming C. ATP d.…

A: Surface agents that prevent particle agglomeration are given below.

Q: 2. Why the oscillating plots in the CO2 isotherm at temperature below Te are considered to violate…

A: Answer -

Q: Is a human being an isolated, closed, or open system?

A: Thermodynamics is the study of flow of heat.