The zinc blende structure

Assignment Help Chemistry
Reference no: EM13837558

Gallium arsenide (GaAs) has the zinc blende structure. The gallium atoms are in FCC packing and the arsenic atoms occupy half the tetrahedral sites. Calculate the density of Gallium arsenide (GaAs) using the following data.

Covalent Radius Ga 1.26 Ångstroms           As 1.19 Ångstroms

Atomic Mass  Ga:69.7 g/mole                     As: 74.9 g/mole

Avogadro's number (NAv) is 6.02 x 10^23 atoms per mole.

 

 

Reference no: EM13837558

Questions Cloud

Create website prototype for tee-shirts sales using html : Create a 3-page website prototype for tee-shirts sales using HTML 5, CSS, and JavaScript languages. Ch. 8 of Programming With Mobile Applicationsdiscusses a variety of web development tools. All program files should be in a ZIP file for submission..
Reviewing the financial statements : 1. Assume that you the CEO of a company that is publicly traded.  In FOUR SENTENCES OR LESS - explain to me in general terms what you as the CEO would hope to learn by reviewing the financial statements of your company.
Identify the pathophysiology of chronic venous insufficiency : Review the section "Diseases of the Veins" (pp. 585-587) in Chapter 23 of the Huether and McCance text. Identify the pathophysiology of chronic venous insufficiency and deep venous thrombosis
Prepare a presentation based on marketing research report : Prepare a presentation based on Marketing research report. In the event that students do not attend the presentations to vote, the final decision will be made by the trainer.
The zinc blende structure : Gallium arsenide (GaAs) has the zinc blende structure. The gallium atoms are in FCC packing and the arsenic atoms occupy half the tetrahedral sites. Calculate the density of Gallium arsenide (GaAs)
Performing risk analysis on potential investment projects : 1. Name at least two reasons for performing a risk analysis on potential investment projects. 2. What are value drivers and how are they important in the analysis of project risk?
Television programs about people : It is 2006 and you notice that there are a lot of television programs about people that "flip" houses. That is, programs in which people buy houses, remodel them, and hope to sell them at a profit. You think that this sounds intriguing and conside..
Calculate volumes of both solutions : Stock Solution: 0.2 M NaH2PO4, 0.2 M Na2HPO4. Both of them are mixed to get a buffer. The pKa is 6.8. Calculate volumes of both solutions required to prepare 150mL 0.1M phosphate buffer at pH 7.4
Data collection methods to evaluate an hrd program : Identify and discuss your experience or expectations of data collection methods to evaluate an HRD program that you have implemented or plan to implement in the future.

Reviews

Write a Review

Chemistry Questions & Answers

  Octane is a liquid component of gasoline

Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures, estimate the boiling point of octane in Leadville, CO, where the atmospheric pressure is 496 mmHg.  Various temperatures include: 400 mmH..

  Explain what are pa and pb

The reaction 2A (gas) = B (gas) is second order in A also has a half life of 1 hour. If the preliminary pressure of A is 1atm, explain what are PA and PB at t=1 hour and t = 2 hour

  How many millimeters of base are required

a sample of a certain beverage contains 1.00g of tartaric acid, H2C4H4O6. The beverage is titrated with 0.100M NaOH, how many millimeters of base are required to neutralize the tartaric acid.

  How many grams of mg2so4 is required

How many grams of Mg2SO4 is required to make up 100mL of 20g/L Mg2SO4 solution in water?

  What weight of the oxide can be obtained

when aluminum is heated in oxygen, aluminum oxide is formed. What weight of the oxide can be obtained from 25.0g of the metal.

  A particular household ammonia solution d 097 gml is68 nh3

a particular household ammonia solution d 0.97 gml is6.8 nh3 by mass. how many milliliters of this solution should be

  Explain dissolution in water at room temperature and why

Which of the following gases has the largest Henry's law constant, Kh, for dissolution in water at room temperature and why

  Define at what rate is the na2o2 consumed

If the CO2 and O2 in the above reaction are measured at the same temperature and pressure, 1. How many milliliters of O2 are produced per minute. At what rate is the Na2O2 consumed, in grams per hour

  Evaluate the standard enthalpy of formation of gaseous

Calculate the standard enthalpy of formation of gaseous diborane (B2H6) using the following thermochemical information

  Methyl benzoate is an ester which is synthesised from

methyl benzoate is an ester which is synthesised from benzoic acid methanol and sulfuric acid. methyl benzoate has a

  Define the temperature and pressure of the system

A 70.4 g ice cube floats in the Arctic Sea. The temperature and pressure of the system and surroundings are at 1 atm and 0°C. Calculate Ssys, ?Ssurr, and ?Suniv for the melting of the ice cube.

  Explain what mass in grams of the excess reactant is left

Iron(III) oxide reacts with carbon monoxide. A reaction mixture initially contains 22.65g of Fe^2 O^3 and 15.46g of CO. Once the reaction has completely occured, what mass in grams of the excess reactant is left

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