Explain how many of each type of atom

Assignment Help Chemistry
Reference no: EM13222002

Cadmium tulluride, CdTe, takes the zinc blende structure with a unit cell edge length of 6.49 Angstroms. There are four cadmium atoms and four tellurium atoms per unit cell. How many of each type of atom are there in a cubic crystal with an edge length of 5.00 nm?

Reference no: EM13222002

Questions Cloud

Compute the molar mass of the unknown compound : unknown molecular (nonelectrolyte) compound in 102.0 g of water was found to have a freezing point of -1.8 degrees C. Calculate the molar mass of the unknown compound.
Application of the concepts and techniques : To create your outline, you should begin by working with the approved Project Proposal. Your outline must be structured using distinct sections- ensure the application of the concepts and techniques already presented in module
Compute the relative ratio of product to reactant : Suppose a reaction has a standard Gibbs-free energy of 2.20 kJ/mol, calculate the relative ratio of product to reactant.
Define the heat of fusion : (The specific heats of ice, steam, and liquid are 2.03 J/g · °C, 1.99 J/g · °C, and 4.18 J/g·°C, respectively. The heat of fusion is 6.02 kJ/mol and heat of vaporization is 40.79 kJ/mol.)
Explain how many of each type of atom : There are four cadmium atoms and four tellurium atoms per unit cell. How many of each type of atom are there in a cubic crystal with an edge length of 5.00 nm?
Determine what is the marginal and average total cost : In the short run a firms total cost of producing the hundreth unit of output equals $10,000. If it produces one more unit its total costs will be $10,150. whats the marginal and average total cost of the 101st unit and whats the average total of 1..
Explain the mass and mole fraction of he present : A certain mixture of He and Ne in a 356-cm3 bulb weighs 0.1480 g and is at 20oC and 748 torr. Find the mass and mole fraction of He present.
Compute the mol mg/mol hcl ratio for the reaction : strip of magnesium reacts in 3.0 mL of 5.0 M HCl over a given period of time. Evaluate the mol mg/mol HCl ratio for the reaction.
Explain diatomic oxygen to form nitric oxide and watervapor : Ammonia reacts with diatomic oxygen to form nitric oxide and watervapor. When 40.0g of ammonia and 50.0 g of oxygen are mixed and allowed to react, which is the limiting reagant? 4NH3 +5O2--> 4NO + 6H2O

Reviews

Write a Review

Chemistry Questions & Answers

  How many gm of dry nh4cl need to be combined

How many gm of dry NH4Cl need to be combined to 2.30L of a 0.300M solution of NH3, to prepare a buffer solution of pH 8.85.

  Evaluate the partial pressure of the he gas

Mixture also contains He (helium gas). determine the partial pressure of the He gas?

  State reaction vessel containing an equilibrium mixture

Suppose that you have a reaction vessel containing an equilibrium mixture of CO(g), O2(g), and CO2(g). Under the following conditions, will the amount of CO increase, decrease, or remain the same?

  What is the mole percent o2 in the mixture

A gaseous mixture of O2 and Kr has a density of 1.102 g/L at 420 torr and 300. K. What is the mole percent O2 in the mixture?

  State the effect of temperature on gases confined

the effect of temperature on gases confined to small volumes. What is the pressure of 3.40mol of gas D measured at 251 C in a 1.75-L container assuming real behavior?

  What is the empirical formula and the molecular formula

An unknown sample with a molecular mass of 180.og is analyzed to yeild 40% c, 6.7% H, and 53.3% o. What is the empirical formula and the molecular formula of this compound?

  Calculate the percent by mass of sugar in the mixture

You have a 10.40 g mixture of table sugar (C12H22O11) and table salt (NaCl). When this mixture is dissolved in 150. g of water, the freezing point is found to be -2.24°C. Calculate the percent by mass of sugar in the mixture.

  Few sugar substitutes are made from derivatives of sucrose

Some sugar substitutes are made from derivatives of sucrose. SucraloseTM is a sweetener found in soft drinks and low-calorie foods such as yogurt.

  Find out the throat diameter of a venturi meter

determine the throat diameter of a Venturi meter which would measure a flow of 0.4 m3/s in a pipe of 0.6m diameter with a differential head of 0.8

  Find out the molar ratio of sodium borohydride

Determine the molar ratio of sodium borohydride to 9-fluorenone that you used in the experiment.

  What is the density of copper

When 24 copper pennies are submerged in water, the pennies displace 8.26 cm3 of water. If the combined mass of the pennies is 73.86 g, what is the density of copper?

  What is the freezing point calcium nitrate

what is the freezing point(Degrees C) of a solution prepared by dissolving 11.3g of Ca(NO3)2 ( formula weight= 164g/mol) in 115g of water?

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