Calculate fraction of atom sites that are vacant for copper

Assignment Help Mechanical Engineering
Reference no: EM13704063

(a) Calculate the fraction of atom sites that are vacant for copper (Cu) at a temperature of 729°C (1002 K). Assume energy for vacancy formation of 0.90 eV/atom.

(b) Repeat this calculation at room temperature (298 K).

(c) What is ratio of Nv/N(1002 K) and Nv/N (298 K)?

Reference no: EM13704063

Questions Cloud

Which strategy results in the highest firm value today : a) Which strategy results in the highest firm value today?Your company currently has debt of $50M due next year. Suppose the management team will choose the strategy that leads to the highest equity value today.
In a thin-walled cylinder loaded with internal pressure : In a thin-walled cylinder loaded with internal pressure, show how a single-element strain gage in hoop direction can be used to established the hoop and axial stresses.
Calculate number of vacancies per cubic meter in some metal : Calculate the number of vacancies per cubic meter in some metal at 753°C. The energy for vacancy formation is 0.81 eV/atom, while the density and atomic weight for this metal are 6.38 g/cm3 and 49.43 g/mol, respectively. Find in m^-3 units.
Appropriate to use the current wacc : When a firm is evaluating the purchase of a business that is unrelated to its current business, it is appropriate to use the current WACC of the firm that is purchasing the business?
Calculate fraction of atom sites that are vacant for copper : Calculate the fraction of atom sites that are vacant for copper (Cu) at a temperature of 729°C (1002 K). Assume energy for vacancy formation of 0.90 eV/atom. Repeat this calculation at room temperature (298 K).
Subject to ethical constraints : What does it mean to say that managers should maximize shareholder wealth "subject to ethical constraints"? What ethical considerations might enter into decisions that result in cash flow and stock price effects that are less than they might ..
Magnitude of the pressure force acting on the surface : A trapezoid is submerged in water so that its flat surface is perpendicular to the free surface and shorter leg is 0.4m below the free surface as shown in Figure. Length of the shorter leg is 1.6m and longer leg is 2.8m. Height of the trapezoid is 1...
Influence investment decisions at different stages : Go to the StockTrak Research resources at http://www.stocktrak.com and find the five-year trend for the Standard & Poor 500 Index (S&P500). (Hint: Click on Research, then the Markets tab. Then click on the graph of the S&P500. You will find the..
Determine the throat area and the exit mach number : Air flows isentropic ally at the rate of 1 kg/s through a converging-diverging nozzle. The stagnation temperature is 310 K and the stagnation pressure is 810 kPa. If the exit pressure is 101.3 kPa, determine: The throat area. The exit Mach number.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  The pressure measured with a manometer indicates 60 cm of

a sealed cylindrical vessel of 60 cm diameter and 80 cm height contains 3.2 kg of a gas. the pressure measured with a

  If the low temperature reservoir is held fixed at 300 k

joe smith claims to have designed a power cycle that can achieve a net power output of 400 mw given a heat input of 500

  The following times to failure in hours were observed in an

the following times to failure in hours were observed in an experiment where 14 units were tested until eight of them

  Consider a mixture of 50 mol n-pentane and 50 mol n-butane

1 for a separations process it is necessary to determine the vle compositions of a mixture of ethyl bromide and

  You are designing a follower motion using modified

you are designing a follower motion using modified trapezoid using scca family with b0.2 c0.5 d0.3. cam interval beta

  Find the equal annual payment series that would be

find the equal annual payment series that would be equivalent to the following increasing series of payments if the

  A 322 lb object is dropped from a 100 feet building

a 32.2 lb object is dropped from a 100 feet building. determine the velocity and the kinetic energy at the 50 feet

  A particle known as a pion lives for a short time before

a particle known as a pion lives for a short time before breaking apart into other particles. suppose it is moving at a

  Determine the required diameter for the rod

A steel rod of circular cross section will be used to carry an axial load of 91 kips. The maximum stresses in the rod must be limited to 28 ksi in tension and 10 ksi in shear. Determine the required diameter for the rod.

  Knowing that when theta 40o the velocity of wheel b is 15

an overhead door is guided by wheels at a and b that roll in horizontal and vertical tracks. knowing that when theta

  A shock absorber is to be designed to limit its overshoot

a shock absorber is to be designed to limit its overshoot to 15 percent of its initial displacement when released. find

  Estimate the length of the heat exchanger for a gas flow

a heat exchanger is constructed so that hot flue gases at 700k flow inside a 2.5 cm id copper tube with 1.6 mm wall

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd