Question: In FE in FCC Fe: At 500C the Diffusion coefficient is 3.0x10-21 Activation Energy (Qd) is 251 kJ/mol. What is the Diffusion coefficient at 900C?

In FE in FCC Fe: At 500C the Diffusion coefficient is

In FE in FCC Fe: At 500C the Diffusion coefficient is 3.0x10-21 Activation Energy (Qd) is 251 kJ/mol. What is the Diffusion coefficient at 900C? a. 1.1 x 10-17 m2/5 O b. 1.7x10-10 m2/5 OC. 1.8x10-15 m2/s O d. 5.9x10-12 m2/s

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemical Engineering Questions!

At what temperature will the diffusion coefficient for the diffusion of copper in nickel have a value of 6.5 ? 10 -17 m 2 /s. Use the diffusion data in Table 5.2. Diffusing Species Host Activation...

Using the diffusion coefficient table below as a guide, which has the fastest diffusion at 500C? Diffusing Species Fe Host Metal D.(ms) 2.8 x 10-4 Activation Energy la kJ/mol eV/atom 251 2.60 Fe a-Fe...

Using the Tabulation of Diffusion Data, answer the following: (a) Calculate the diffusion coefficient for Cu in Alat 530C. m2/s (Use scientific notation.) (b) What time in h) will be required at 610C...

Using the Tabulation of Diffusion Data, answer the following: (a) Calculate the diffusion coefficient for Cu in Alat 530C. i m2/s (Use scientific notation.) (b) What time in h) will be required at...

Consider carbon is diffusing into -Fe. Compute the diffusion coefficient of carbon into a-Fe at 795C Given that Gas constant R= 8.314 J/mol-k Note: Round to at least three significant digits. You may...

please show all work/formulas used as detailed as possible and please ensure your writing is legible Question 3 of 6 5.55 / 11.1 TII Current Attempt in Progress Your answer is partially correct....

A copper-nickel diffusion couple similar to that shown in Figure 5.1a is fashioned. After a 700-h heat treatment at 1100?C (1373 K) the concentration of Cu is 2.5 wt% at the 3.0-mm position within...

The outer surface of a steel gear is to be hardened by increasing its carbon content. The carbon is to be supplied from an external carbon-rich atmosphere, which is maintained at an elevated...

please i need an answer thank you 3. Using the table below and answer the following questions: (1) Calculate the diffusion coefficient for Cu in Ni at 510 C. (15 points) (2) What time in h) will be...

What are qualified education expenses for purposes of the student loan interest deduction?

A company believes that it controls more than 30% of the total market share for one of its products. To prove this belief, a random sample of 144 purchasers of this product is contacted. It is found...

From the article Franchisees Need to have an Exit Strategy, What is the easiest, and probably the most reliable method of putting a recommended selling price on a small business? Discretionary Cash...

Kempton Enterprises has bonds outstanding with a $1,000 face value and 10 years left until maturity. They have an 10% annual coupon payment, and their current price is $1,175. The bonds may be called...

=+ 5. The amount of education the typical person receives varies substantially among countries. Suppose you were to compare a country with a highly educated labor force and a country with

=+ b. Capital and labor each earn a constant share of an economys income. [Hint: Recall the defi nition MPK = f(k + 1) f(k).]

=+d. The real rental price of capital is constant, and the real wage grows at the rate of technological progress g. (Hint: The real rental