Calculate the density of gallium arsenide

Assignment Help Chemistry
Reference no: EM13838851

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: EM13838851

Questions Cloud

The appropriate arrhenius expressions : Assuming that in free-radical polymerization the rate constants can be replaced by the appropriate Arrhenius expressions: kd = Adexp(-Ed/RT) kp = Apexp(-Ep/RT)
What are the possible repercussions from a crime fighting : What are the possible repercussions from a crime fighting, public safety perspective of not investing in available new technologies being prominently employed in other local law enforcement agencies
What key factors caused the confrontation at wounded knee : What key factors caused the confrontation at Wounded Knee. What motivated the strikers in 1877. How did their opponents seek to delegitimize workers' grievances and win support for private business
In the case of spillover benefits or costs : A market in which there is an additional transaction that would benefit a buyer, a seller, and any third parties affected by the transaction is called. In the case of spillover benefits or costs,
Calculate the density of gallium arsenide : 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 ..
Draw supply- demand diagram of the federal funds market : Draw a supply- demand diagram of the federal funds market and show the effects of a Federal Reserve Purchase of $85 billion in US Treasury Notes during a Quantitative Easing Campaign after the Fed has already lowered its Fed funds target to 0 - .25%.
What is the value of the marginal product of labor : Assume all markets are competitive, the product price is p = $2 per unit, the wage rate is w = $16 per hour and the firm's production function is q=E(36?E), where E is the level of employment and the firm's fixed costs are zero. What is the value of ..
Calculate the number of moles of crystal waterper : Calculate the number of moles of crystal waterper formula unit of manganese perchlorate. Decide which sample is most likely to represent the correct result, and explain what might have gone wrong with the other.
Workers marginal product : If the marginal product of the 4th worker hired is 6, and the marginal product of the 5th worker hired is 4, you should not hire the 5th worker because your profit would decrease since the 5th worker’s marginal product is less than the marginal produ..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is the time for the second half life

Consider a reaction of the type aA--->products in which the rate law is found to be rate=k(A)3 If the first half of the reaction is found to be 40 seconds what is the time for the second half life

  Explain what is the mass of the piece of metal

density of 9.14g/cm^3 is placed in a 30.0mL cylinder. Water level rises to 34.5mL. what is the mass of the piece of metal?

  Explain which decomposes at a certain temperature

A 100 L reaction container is charged with 0.704 mol of NOBr, which decomposes at a certain temperature say between 100 and 150ºC according to the following reaction

  Explain the oxidation state of manganese increases

Which of the following happens when MnO4- reacts to form MnO2? a. The oxidation state of oxygen increases b.MnO4- is reduced. c. MnO2 acts as an oxidizing agent. d. The oxidation state of manganese increases

  The volume of the solution is 9047ml what is the mass

a solution contains 10.0g of koh and 900.0ml of water. the volume of the solution is 904.7ml. what is the mass percent

  Explain how many grams of ethyl alcohol added to water

How many grams of ethyl alcohol, C2H5OH, must be added to 1.000 kg of water so that the solution will not freeze until -20 degrees Celsius? For water, Kf=1.86 degrees Celsius/m

  Explain what mass of oxygen has the mouse consumed

The gas volume in this chamber is computed to be exactly 2.30 L and the temperature is held constant at 292K. subsequent to two hours the pressure inside the chamber falls to 725.2torr. Explain what mass of oxygen has the mouse consumed

  Explain glass to be better conductor of heat that styrofoam

Will the recorded temperature change for an exothermic reaction performed in a glass calorimeter be greater or less that that in a styrofoam "coffee cup" calorimeter? Explain. Assume glass to be a better conductor of heat that styrofoam.

  The record low sea-level barometric pressure ever recorded

the record low sea-level barometric pressure ever recorded is 25.8 in. of mercury. at what altitude in the standard

  What is the outer configuration of subshell

Are they right if not then what is their outer shell configuration - What is the outer configuration of d subshell

  Explain capable of being consistently duplicated

If a person were to say that a scientific finding was replicated, he or she would be saying that the finding was

  Explain what weight of chromium will be deposited in a cell

A steady current of 1.00 A is passed through an electrolytic cell for 1380sec. Explain what weight of chromium will be deposited in a cell containing 1 micromolar Chromium(IIII)nitrate as well as a chromium anode as well as a platinum cathode.

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