Rhenium forms a series of solid oxides: Re2O7 (yellow), ReO3 (red), Re2O5 (blue), and ReO2 (brown). One of them has a crystal structure with the following unit cell:
Q: Chemical analysis shows the information about an unknown metal: • Density = 7.8748 g/cm³ •…
A: Density of metal = 7.8748 g/cm3 Z, Number of atom in body centered unit cell = 2 Edge of unit cell =…
Q: Check Your Understanding on Crystal Structure 1. Differentiate crystal structure, crystal system,…
A: A crystal structure is made of atoms. A precious stone cross section is made of focuses. A precious…
Q: Please help me, there are 2 parts attached as 2 screenshots and double and triple check your…
A: Coordination number can be defined as the number of neighboring atoms which are in close association…
Q: Tony Stark was investigating the properties of the Vibranium in Captain America's Shield. He found…
A:
Q: Q.3: Find the fraction of the face centered cubic unit cell volume filled with hard spheres as shown…
A: GIVEN: The total volume of the figure given below=729cm3
Q: A first-order (n = 1) reflection from the plane of a cubic crystal was observed at a glancing angle…
A: The Bragg’s equation is given by
Q: II. Determination of the APF of the Unit Cells HCP FCC всс Volume of Atoms in unit cell Volume of…
A:
Q: 50.00 mL of a solution containing 0.15 M CH2 (CO2 H)2 and 0.020 M MnSO4 Calculate the mass of…
A: A numerical problem based on quantitative analysis, which is to be accomplished.
Q: Calcium sulphate, also known as Plaster of Paris, is made by calcining gypsum. The figure show two…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: What is the result of a chain transfer to polymer? Give an example. • How do you account for the…
A: A) Chain transfer to polymer - The chain transfer may takes place in an already existing polymer…
Q: The mineral Fluckite has the following crystal structure unit cell parameters: a = 8.46 angstrom, b…
A: Given that, a = 8.46 Ao b = 7.61 Ao c = 6.97 Ao α = 82.21oβ = 98.25oγ = 95.86o
Q: How does the X-type zeolite exchange Na+ ions for Co2+ ions (mechanism)?
A:
Q: For a body-contered-cubic lattice of lattice constant a, (a) what's the distance between nearest…
A:
Q: 50.00 mL of a solution containing 0.15 M CH2 (CO2 H)2 and 0.020 M MnSO4 2. Calculate the mass of…
A: Given that : Volume of solution = 50.0 mL Molarity of MnSO4 = 0.020 M Mass of MnSO4.H2O = ?
Q: What are the indices for the direction represented by the vector that has been drawn within a unit…
A: Given : Unit cell showing vectors To Find : Indices Solution : There are generally three miller…
Q: Q1: find miller indices for a crystallographic plane as showed in a below figure. This plane of…
A:
Q: The atomic radius of nickel is 1.24 A. Nickel crystallizes in a face-centered cubic lattice. What is…
A:
Q: What are the indices for the direction represented by the vector that has been drawn within a unit…
A:
Q: 1og of ice at D2 is mixed With H20 at 58°2? Find t, :."
A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…
Q: Which material will have higher resistance to creep? A. Polycrystalline B. Single crystal Material A…
A:
Q: 10. In Fe-C alloys that have been heated to form 100% austenite, which of the following is created…
A:
Q: Q4: A: Calculate the average of (number, weight, and viscosity) of molecular weight, Dp for…
A: The mid-point of the histogram in the given chart is used for the molecular weight.
Q: . You found a weird ceramic material on the street and wonders if it might be ok to use in a medical…
A:
Q: Nickel crystallises in a close-packed structure (face-centred cubic unit cell where…
A:
Q: [References) Use the References to access important values if needed for this question. Metallic…
A: For body centre cubic lattice: Relationship between radius (r) and edge length (a): a = 4r/√3 Given,…
Q: Question 3 of 12 Which of the following is a true statement? Select the correct response: O the…
A: The statement which is true is given below with proper reason.
Q: Direction: Answer the following questions. Show your solution. 1. Below are listed the atomic…
A: The density of crystals is given as: Density of unit cell=ρ=Z×Ma3×N0where,'Z' is the effective…
Q: Double checking work
A: In NaCl FCC cubic cell, Cl- present at the corner and face of the cell. Therefore, 4 Cl- atom per…
Q: Determine whether the first part of statement will INCREASE, DECREASE or HAVE NO EFFECT in the…
A: Since you have asked multiple question, we will solve the first question for you.If you want any…
Q: Which of the following elements when added (as a dopant) to Si would make an n-type semiconductor?…
A:
Q: A. Nickel has a face centered cubic unit cell with a length of 353.4 pm along an edge. What is the…
A: Since you've posted multiple questions, we'll solve only the first question for you. If you want any…
Q: Which of the following(s) is(are) false about porosity logging? a. Bulk density and neutron log…
A: Any characteristic that can be measured for a matter is known as the properties of matter. They may…
Q: Please help me and double and triple check your answers my grade depends on this
A: Observing the given unit cell shows that Mn atoms that is pink spheres occupy the corners of the…
Q: Use the References to access important values if needed for this question. Metallic platinum…
A:
Q: Question #3/ Find the planer density (PD) in (atom/mm?) of (100) in a face centered cubic unit cell…
A:
Q: There magnetic quantum number determines the .movement of the electrons True False is branched…
A: 1. The magnetic quantum number of an electron is one of the four quantum numbers that state the…
Q: Q4: find the packing factor for FCC
A: FCC contains 4 atoms per unit cell. The edge of 1 unit cell = a The radius of atom = r 2a = 4rr…
Q: Which of the following materials is most suitable for the manufact thermoplastic pipe? Briefly tell…
A: From the above three materials only one material is most suitable for the manufacture of…
Q: What type of lattice does this crystal possess(all three lattice vectors are mutually…
A:
Q: true or false:
A:
Q: a) Problem 2: Calculate the number of atoms per unit cell for an fec lattice of copper (Cu) crystal.…
A:
Q: 50.00 mL of a solution containing 0.15 M CH2 (CO2 H)2 and 0.020 M MnSO4·H2O Calculate the mass of…
A: Mass of manganous sulfate monohydrate will be calculated from its number of moles.
Q: Consider Copper (Cu), Silver (Ag), Silicon (Si), Aluminum oxide (Al2O3), silicon carbide (SiC), and…
A: 1. About Copper (Cu), Silver (Ag), Silicon (Si), Aluminum oxide (Al2O3), silicon carbide (SiC), and…
Q: (a) Consider the polymerization of isoprene (see below for the formula): Draw the chemical structure…
A: The polymerisation of isoprene involves different radical formations which gives a different type of…
Q: Is Buckminsterfullerene A POLYMORPH of graphene? 2. Does schottky defects induce TENSILE forces in…
A: True or false:
Q: A certain mineral crystallizes in the cubic unit cell shown below. M represents the cations and A…
A: The empirical formula of a molecule can be shown as the simplest representation or simple…
Q: Tony Stark was investigating the properties of the Vibranium in Captain America's Shield. He found…
A: The density of a solid is given by the formula d = Z×Ma3×NA d = density of metal M = molar mass of…
- Rhenium forms a series of solid oxides: Re2O7 (yellow), ReO3 (red), Re2O5 (blue), and ReO2 (brown). One of them has a crystal structure with the following unit cell:
- How many rhenium atoms (grey, smaller spheres) are there in a unit cell? Show your work.
Rhenium atoms: ____________
- How many oxygen atoms are there in a unit cell? Show your work.
Oxygen atoms: ____________
- What is the color of the compound? Show how you made that conclusion?
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 7 images
- The inorganic part of bone is made of CaF2, or fluorite. For CaF2, the unit cell is cubic, and the structure is shown. A. Calculate the percent ionic character of a Ca-F bond. B. Determine the coordination number for the fluorines. C. Determine the relationship between the lattice parameter, a, and the radii of the Ca and F atoms (or ions). You may want to start by determining whether there is one unit cell or four unit cells in the calcium fluoride structure. The bond radii for Ca is 1.05 Å and F is 1.33 Å. D.Nanoparticles application: A. Nickel has a face centered cubic unit cell with a length of 353.4 pm along an edge. What is the density of nickel in g/cm3? B. Crystalline silicon has a cubic structure. The unit cell edge length is 543 pm. The density of the solid is 2.33 g/cm3. Calculate the number of silicon atoms in one unit cell.Calcium sulfide crystallizes using the same type of crystalline lattice structure as does NaCl. In this structure, shown here and in figure P12.97 on page 529 of your text, what is the total number of Ca2+ ions within this unit cell? What is the total number of S2- ions within this unit cell? Based on this, what is the expected empirical formula for calcium sulfide? Image attached ________ ________ __________ Number of Ca2+ Number of S2- Empirical Formula
- Size of an octahedral hole This is a sketch of one face of NaCl's unit cell. The ions are drawn so that they are just touching their nearest neighbors. The anions are FCC. The cations, shaded in gray, are in octahedral holes. 8888 Show the length of do on the sketch. (Your model can help you identify the unit cell edges!) What is the relationship between r_ and do? What is the equation relating r4, r, and do? What is the relationship between r, and do? + r_ = do = (fraction) r+lr_ = X do = (decimal equivalent) x do What is the value of the radius ratio r/r_? Express the ratio to three significant figures. X doA certain solid metallic element has a density 7.87 g/cm and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. Show that the number of atoms per unit cell of the metal is 2. 3 For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BI US Paragraph Arial 10ptThe atomic radius of metal X is 1.30×102 picometers (pm) and a crystal of metal X has a unit cell that is face-centered cubic. Calculate the density of metal X (atomic weight = 42.3 g/mol). density: ________ g/cm3
- Post-Lab 1. Cesium chloride structure a. Why is it not proper to say that CSCI has a body-centered cubic structure? b. Thallium (1) chloride crystallizes in the cesium chloride lattice, as shown in Fig. 5. The shortest distance between the center of a TI' ion and the center of a CI ion is 333 pm. 1) What is the length of the edge of a unit cell of TICI? Hint: How many TICI diameters equal one body diagonal? 2) What is the density in g/cm' of TICI? 2. Superconductors. Given the idealized unit cell for the structure of a superconductor shown below to be orthorhombic, answer the following questions. COPPR a. How many copper atoms are there per unit cell? (Show calculations.) b. What is the number of oxygens per unit cell? and Y? and Ba? c. What is the formula for this superconductor? d. The coppers in this unit cell occupy two different kinds of sites. Based on the number of each of these types and the formula for the compound, what are the oxidation states for copper in this compound?…Assume that a material has a FCC crystal structure, an atomic radius is 0.13x nm, and an atomic weightis 106.(x-5) g/mol.a) Calculate mass per unit cell for Palladium.b) Compute the unit cell volume.c) Find the mass density of Palladium in g/cm3 . (Avagadro number: 6.02x1023 atom/mol) (1nm = 10-9m).X: 8The ionic radii (for C.N. = 6) for Cs+ and I- are 1.81 Å and 2.06 Å, respectively.a. Using radius ratios as an aid to your thinking, predict the cell lattice type of CsI. b. How many Cs+ and I- ion are in the unit cell? Show a calculation as part of your answer. c. Assuming your unit cell to be correct, calculate a value for density of CsI. The molar mass of Cs and Iare 133 g mol-1 and 127 g mol-1, respectively.
- d. What is the coordination number of each atom? Coordination number is definedas the number of nearest neighbors of an atom or ion. Answer: __________e. Consider one unit cell and assume the length of the side of the cube is “a”.Remember that “a” is the distance between the centers of two adjacent atoms.How long is “a”, the edge of a unit cell, in terms of radius, r, of an atom? Answer: __________f. Based in the earlier questions, a simple cubic cell has the equivalent of only 1atom. Recall the volume of sphere with radius, r, is expressed as V = 4/3 πr3. With this information, find the total volume of all the spheres in this unit cell,expressed in terms of r. To do this, take the total number of atoms and multiplyit by the volume of one atom, with radius, r)Answer: __________1.) Compare the relative atomic radius of iron and carbon. Fe: С: 2.) At low temperatures, Fe has a Body Centered Cubic (BCC) crystal structure. This phase is ferrite, a. The carbon is added into the system in the empty spaces in your BCC model. The C in these spots is known as an interstitial point defect. Determine how many spots for C are there in the model you built. Sketch the unit cell below and indicate where the spots for C to add are. 3.) At high temperatures, Fe has a Face Centered Cubic (FCC) crystal structure. This phase is austenite, y. The carbon is added into the system in the empty spaces in your FCC model. The C in these spots is known as an interstitial point defect. Determine how many spots for C are there in the model you built. Sketch the unit cell below and indicate where the spots for C to add are. In the coming weeks, you will see that these C interstitial point "defects" play a critical role in making the steel mechanically strong.3 Conversations haven't been enabled for this tab. Talk to your team owner to change that The unit cell of a compound of A (green), B (Blue), and C (Red) is shown below. Consider the given image and answer the following: a) setting. Determine the empirical formula (formula unit) of this compound. (show your work) b) What type of holes is C atom ( red) filling in the solid structure? Determine the coordination numbers of A (green), B (Blue), and C (Red). d) C) Calculate the density of the compound (in g/cm3 unit), assuming that the length of each of the edges of the unit cell is a = 402 pm. (the molar mass of the compound = 233 q/mol, avogadro's Number = 6.022 * 10) (show full work)