Compute the number of gold atoms in a unit cell

Assignment Help Chemistry
Reference no: EM13276222

Gold has cubic crystals whose unit cell has an edge length of 407.9 pm. The density of the metal is 19.3 g/cm3. Calculate the number of gold atoms in a unit cell. What type of cubi lattice does gold have?

Reference no: EM13276222

Questions Cloud

Calculate the resistance at a temp of 0 degrees celcius : An electrical device has a linear temperature response. The device has a resistance of 120Ω ata temp of -20 degrees celcius and a resistance of 190 Ω at a temp of 120 degrees celcius. a. Calculate the resistance at a temp of 0 degrees celcius.
Determine the length of 10 mm diameter nichrome wire needed : Nichrome wire is used to construct heating elements. Determine the length of 1.0 mm diameter Nichrome wire needed to produce a heating element which has a resistance of 2.0Ω at a temperature of 20 degrees celcius.
How to calculate the vapor pressure of a solution : The vapor pressure of water at 45.0 degrees celcius is 71.93 mmHg. Calculate the vapor pressure of a solution of 1.50m K2CO3 at this temperature
How far below the maximum will the output be for f : If the output of a low-pass RC filter is 12 dB below its maximum at f = 1 kHz, then how far below the maximum will the output be when f = 10 kHz
Compute the number of gold atoms in a unit cell : Gold has cubic crystals whose unit cell has an edge length of 407.9 pm. The density of the metal is 19.3 g/cm3. Calculate the number of gold atoms in a unit cell. What type of cubi lattice does gold have
Develop the research and writing skills : Your task is to compile a report that provides an overview of the event that you will be investigating. You will provide a more comprehensive overview of this event in written report 2.
What is the change in area of the washer : An aluminum washer has an outer radius ro = 1.9 cm and an inner radius of ri = 0.49 cm.What is the change in area of the washer
What is the equivalent admittance of the circuit for z1 : What is the equivalent admittance of the circuit for Z1 = 12, Z2 = 5 - j7, Z3 = 4 + j36 and Z4 = j10 (all in ohms) Note: Z1 and Z3 are in parallel connected to Z2 + Z4 in series, equal Zt || to Z1||Z3
How many grams of h2so4 are needed for complete reaction : If 20.g of NaCl are used, how many grams of H2SO4 are required for complete reaction? Using the balance equation 2NaCl(s)+ 1H2SO4(aq)= 2HCl(aq)+ 1Na2SO4

Reviews

Write a Review

Chemistry Questions & Answers

  Define reaction between copper sulfate and sodium carbonate

When a solution of copper(II) sulfate is mixed with a solution of sodium carbonate, a precipitate forms. Write each of the following equations for the reaction between copper(II) sulfate and sodium carbonate.

  Determine the mass of concentrated lioh

A multiple stage evaporate process concentrates a weak solution of LiOH from 4.48 wt% to 26.78wt%. This evaporator processes 10 metric tonnes of solution each day.

  What mass of al2o3 in grams

What mass of Al2O3, in grams, can be made by reacting 4.6 g Al with excess oxygen?

  What can you say about the realtive magnitudes

What can you say about the realtive magnitudes of the latice energy of lithium iodide and its heat of hydration?

  Compute the equilibrium extent of reaction

C2H4(g) + H2O(g) C2H5OH(g) 1 mol C2H4, 1 mol H2O at 355K and 1 bar. Using equilibrium constant approach, calculate the equilibrium extent of reaction and the mole fractions

  Define temperature of air and slope of the air volume

Using the moles of air, temperature of air and slope of the Air Volume vs. 1/pressure graph, calculate the ideal gas constant.

  Compute the number of such atoms left

The radioactive decay of Tl-206 to Pb-206 has a half-life of 4.20 min. Starting with 3.70 1022 atoms of Tl-206, calculate the number of such atoms left after 38.0 min.

  Which of the following describes best way to prepare soln

Which of the following describes the best way to prepare 500. mL of a 0.20 M solution of benzene (C6H6?)?(78.11 g /?mol) dissolved in carbon tetrachloride (CCl4?)?(153.82 g /?mol).

  What is the final temperature of the sample

a 100 g sample of water at 23C is added to a 45 g sample of water at 99C. what is the final temperature of the sample

  Chemical equation between each alkyl halide and nucleophile

Write a balanced SN1 chemical equation between each alkyl halide and the best nucleophile in solution.

  Compute the equilibrium molar concentration of co

Consider 1.70 mol of carbon monoxide and 3.00 mol of chlorine sealed in a 3.00 L container at 476 oC. The equilibrium constant, Kc, is 2.50 (in M-1) for CO(g) + Cl2(g) = COCl2(g), Calculate the equilibrium molar concentration of CO.

  Find out graphically the molar mass of the polymer

The osmotic pressure of poly(methyl methacrylate) in tolune has been measured at a series of concentrations at 298 K. Determine graphically the molar mass of the polymer

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