The promotion of an electron from the valence band into the conduction band in pure TIO 2

Question:

The promotion of an electron from the valence band into the conduction band in pure TIO₂ by light absorption requires a wavelength of less than 350 nm. Calculate the energy gap in electronvolts between the valence and conduction bands.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Physical Chemistry

ISBN: 9780716787594

8th Edition

Authors: Peter Atkins, Julio De Paula

See More Books

Question Posted: Sep 16, 2022 01:07 AM

See More Questions

A photon with a wavelength of less than 50.4 nm can ionize a helium atom. What is the ionization potential of helium?
The energy gap between valence and conduction bands in germanium is 0.72eV. What range of wavelengths can a photon have to excite an electron from the top of the valence band into the conduction hand?
The energy gap between valence and conduction bands in zinc sulfide is 3.6 eV. What range of wavelengths can a photon have to excite an electron from the top of the valence band into the conduction...
3. Given the recurrence relation: Calculate T(n) for n= 1.2.3.4.5. 12 T(n) T(n)= 3T ([n/2])+ 2m +1 T(0) 0 1 2 3 4 5 [10 pts
Required Tasks: 1. Use the sample information to compute a measure of performance that Tony can use to analyze his delivery performance. 2. State a hypothesis test that would help Tony decide to...
What are some of the benefits and shortcomings of using CASE tools for process modeling activities?
Supposethe covariance matrix of the risky asset returns is = 0.09 0.06 0 0.06 0.09 0 0 0 0.09 Suppose the returns are normally distributed. What is the optimal fraction of wealth to invest in...
Create, Inc., produces inventory in its foreign manufacturing plants for sale in the United States. Its foreign manufacturing assets have a tax book value of $5 million and a fair market value of $15...
Mary has decided to retire and wants to sell hes shares in a closely held, all equity firm. The other shareholders have agreed to have the firm borrow $390,000 to purchase Mary's 13,000 shares of...
Presented below are the 2021 income statement and comparative balance sheets for Santana Industries. Additional information for the 2021 fiscal year ($ in thousands):1. Cash dividends of $1,000 were...
The magnetic moment of CrCl 3 is 3.81 B . How many unpaired electrons does the Cr possess?
Is arsenic-doped germanium a p-type or n-type semiconductor?
The account number 211031 most likely refers to (p. 237) a. Liabilities b. Current liabilities c. Accounts payable d. An individual vendor
At March 31, account balances after adjustments for Vizzini Cinema are as follows: Account Balances Accounts Cash Supplies Equipment (After Adjustment) $11,000 4,000 50,000 Accumulated...
2. "A student holds a thin aluminum pie pan horizontally 2 m above the ground and releases it. Using a motion detector, she obtains the graph shown in Figure P3.12. Based on her measurements, (a)...
Mark has two sticks, 25 inches, and 20 inches. If he places them end-to-end perpendicularly, what two acute angles would be formed when he added the hypotenuse?
A wedding website states that the average cost of a wedding is $29,205. One concerned bride hopes that the average is less than reported. To see if her hope is correct, she surveys 36 recently...
2. (10 pts each) Use partial fractions decomposition and the tables to find the inverse z- transform of each of the following: a. X(z)= 6z-z z3-4z2-z+4 4z2 b. G(z)=- (z-1) (z-0.5) 3z +1 c. X(z) =...
What is the total dollar amount of personal and dependency exemptions which a married couple with one child and $80,000 of adjusted gross income would claim in 2018?
As economic conditions change, how do banks adjust their asset portfolio?
Repeat Exercise 9.4a for a general particle of mass m in a cubic box.
What are the most likely locations of a particle in a box of length L in the state 11= 5?
Consider a particle in a cubic box. What is the degeneracy of the level that has an energy 14/3 it times that of the lowest level?
Which of the following statements is true? Financial measures tend to be lag indicators that report on the results of past actions. LA profit center is responsible for generating revenue, but it is...
Andretti Company has a single product called a Dak. The company normally produces and sells 8 0 , 0 0 0 Daks each year at a selling price of $ 5 6 per unit. The company s unit costs at this level of...
What are the major characteristics of plant assets? Choose one category of PP&E (land, land improvements, buildings or equipment) and describe the costs that may be capitalized with this asset.

The promotion of an electron from the valence band into the conduction band in pure TIO 2

Question:

Step by Step Answer:

From the table given below the energy gap of TIO2 is 4...View the full answer

Physical Chemistry

Students also viewed these Sciences questions