Calculate the number of vacancies per cubic meter

Assignment Help Mechanical Engineering
Reference no: EM13212057

Calculate the number of vacancies per cubic meter in gold at 900°C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900°C) and 196.9 g/mol, respectively.

Reference no: EM13212057

Questions Cloud

What force must be applied to the plunger : the pressure in the vein is known as 1850 Pa. what force must be applied to the plunger, so that 1.5 x 10^-6 m^3 of solution can be injected in 5.0 s?
Determine the velocity va : The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. If it takes 1.5 s to travel from A to B, determine the velocity vA at which it was launched, the angle of release q, and t..
How many labor teams are required to produce 360 widgets : the production function: Q=5KL the assembly machines, K, costs $10,000 a week, while labor teams, L, cost $5000 per week. your plant has 4 assembly machines In the short run, ____ labor teams are required to produce 360 widgets.
Determine the pressure and the internal energy : refrigerant -134a at 800kPa and 25 C is throttled to a temperature of -20C. determine the pressure and the internal energy of the refrigerant at the final state.
Calculate the number of vacancies per cubic meter : Calculate the number of vacancies per cubic meter in gold at 900°C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900°C) and 196.9 g/mol, respectively.
Determine the magnitude and direction fo the force p : A 200 kg crate is to be supported by the rope and pulley arrangement shown. Determine the magnitude and direction fo the force P that must be exerted on the freee end of the rope to maintain equillibrium.
Determine diameter of a circular rod of ductile material : determine diameter of a circular rod of ductile material with a fatigue strength ,e=280 Mpa. Add a tensile yield strength of 350 Mpa. The member is subjected to a varying axial load from 700 kN to -300kN. Assume Kt=1.8 and factor of safety=2.
Calculate the net cash flow for the year 2015 : You went on a trip to Tombstone, Arizona and stopped into a gift shop, where you began talking with the owner. You find out that she needs to apply for a small business loan and needs to calculate the net cash flow for the year 2015.
Express the result as a cartesian vector : What is the couple moment of the two couples that act on the pipe assembly. The distance from A to B is d = 400 mm.express the result as a cartesian vector.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Compute the steady state excess electron

Calculate the steady state excess electron and hole concentrations as a function of distance into the semiconductor.

  Calculate the force required to hold the gate closed

the gate in the is hinged at H.the gate is 2 m wide and normal to the palne of the diagram.calculate the force required to hold the gate closed.

  Define a hemispherical dome is filled with water

A hemispherical dome is filled with water. The dome arrangement weighs 28kN and is fastened to the floor by bolts equally spaced

  Compute the force required to punch out a rectangular

Calculate the force required to punch out a rectangular hole 100m x 50mm in a 2mm thick aluminium sheet. The ultimate strength in shear is 125 MN/m^2.

  Irrigation system

Irrigation system

  Explain mechnical vibration analysis

Mechnical Vibration Analysis, How do I deduce the value of the viscous damping factor? How do I deduce the value of the viscous damping coefficient c?

  Komodo dragons are the largest lizards known to man

Komodo dragons are the largest lizards known to man. A 250-pound dragon can eat enough food to increase it body weight by 1/2. Which number sentence could be used to find w, the weight of a k0modo dragon after increasing it body weight by 1/2?

  Create a design of rankine cycle

your job is to create a design of Rankine cycle that create the most possible power from this heat source . you may use any working fluid for which you can find the properties , assume the turbines 92% efficient and pumps 85%

  Mechanical engineering questions

Define dynamic viscosity, Determine the centroid, Pressure due to the height of liquid, Advantage of changing the liquid, Calculate the total moment about the hinge of the seal gate.

  Explain complex loading bending and compression

Complex loading (bending and compression), A steel chimney is 28m high, 1.4m external diameter, and 20mm thick. It is rigidly fixed at the base and is acted upon by a horizontal wind pressure of intensity 1.

  Determine the temperature at which the liquid

A rigid tank with a volum of 2.5m^3 contains 5kg of saturated liquid-vapor mixture of water at 75deg C. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized

  Explain tensile force and corresponding normal stress

Determine the magnitude of tensile force and corresponding normal stress of a wire A 28-ft length of 0.25-in

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