Answered: What is the composition, in atom…

What is the composition, in atom percent, of an alloy that consists of 92.5 wt% Ag and 7.5 wt% Cu? The atomic weights for silver and copper are 107.87 and 63.55 g/mol, respectively

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter9: Liquids, Solids, And Materials

Section: Chapter Questions

Problem 10QRT

See similar textbooks

Related questions

Q: (a) What change occurs when AgCl is doped with CdCl2?(b) What type of semiconductor is produced when…

A: The small gap in valance band and conduction band in semiconductors lead to jumping of electrons…

Q: A hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470kg/m³, and its atomic…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: If the radius of an atom is 211 pm what is the density of the solid if it crystallizes in the bcc…

Q: The electronic structure of a doped semiconductor is shown here. 1.)Is this an example of an…

A: Semiconductors can be defined as the materials whose conductivity lie between metals and insulators.

Q: Amorphous silica, SiO2, has a density of about 2.2 g/cm3,whereas the density of crystalline quartz,…

A: Option (e). Crystalline solids are the one in which atoms are arranged in an orderly repeating…

Q: Define the following:(i) F-centre (ii) p-type semiconductor(iii) Ferrimagnetism.

A: (i) In crystals, there exists some defects one of which is anion vacancy defect, an F-center is…

Q: Explain when is the material is homogeneous and isotropic?

A: Homogeneous material: Homogeneous is something that is uniform throughout. A homogeneous material…

Q: Assume that a GaAs semiconductor has a lattice constant a=7.5 Å, and the atoms of Ga and As are hard…

A: According to Bartlbey rules, expert have to attempt only 1 question unless specified so please post…

Q: Draw a ternary diagram of CaO-SiO2-Al2O3 where you pinpoint locations where common minerals found in…

A: The ternary diagram of CaO-SiO2-Al2O3 represents the computational depiction of melting point…

Q: (ii) Alloys have similar structures to pure metals. Give a labelled diagram that shows the structure…

A: Alloys have been used extensively since many decades and are generally obtained by addition of two…

Q: A sample of an alkali metal that has a BCC unit cell is found to have a mass of 1.000 g and a volume…

A: Given : Mass of alkali metal = 1 g Volume of alkali metal = 1.0298 cm3 Volume of hydrogen = 539.29…

Q: The physical characteristics of a polymer depend not only on its molecular weight and shape, but…

A: Polymer is a material that consists of a large number of repeating units called monomers. We know…

Q: Silver is a metal commonly used in jewelry and photography. It crystallizes with a FCC unit cell…

A: 1- First Determine the volume of unit cell : Volume = a3 where, a = Edge length of cubic = 0.399nm…

Q: A sample of an alkali metal that has a B.C.C unit cell is f0und t0 have a mass of 1.000 g and a…

A: Alkali metals react with water to produce hydrogen according to the equation M + H2O ------> MOH…

Q: Indicate whether each statement is true or false:(a) Substitutional alloys tend to be more ductile…

A: a) true , substtiutional alloys tend to be more ductile. b) false, there is huge atomic radius…

Q: Indicate if each solid forms an n-type or a p-type semiconductor.a. silicon doped with galliumb.…

A: a.

Q: Which of these statements about alloys and intermetallic compoundsis false? (a) Bronze is an example…

A: Alloy can be formed from metals or metals with other elements. Intermetallic is a metallic alloy…

Q: 1. The cubic unit cell shown below has been shaded to add clarity; the ions in the corners are black…

A: a) the ions in the corners are black (B) and those in the faces are gray(G) let us consider,…

Q: Some hypothetical alloy is composed of 25 wt% of metal A and 75 wt% of metal B. If the densities of…

A: Given that : % wt of metal A in the alloy = 25% % wt of metal B in the alloy = 75% The density of…

Q: At 1299ºC, where iron is still a solid (melting point 1538ºC), the unit cell for the most stable…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: An AX ceramic compound has an HCP crystal structure. If the radii of the A and X ions are 0.12 and…

Q: 2. A hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470 kg/m3, and its…

Q: Which of the following elements, if doped into silicon, would yield an n-type semiconductor: Ga, As,…

A: N-type semiconductors are conductors that are formed by doping (process of adding impurity atoms to…

Q: 1. T F The change in resistance to flow with temperature that many liquids exhibit is a chemical…

A: One of the important properties of liquids is the viscosity which is defined as the resistance of a…

Q: 2. A hypothetical alloy has a tace-centered cubic unit cell. Its density is 10,470 kg/m³, and its…

A: Given Data: Density of hypothetical alloy = 10,470 kg/m3 Atomic weight = 106.8 g/mole The atomic…

Q: Which of the following is true of alloys? A. They can only be composed of metals. B. They must be…

A: An alloy is a combination of a metal with at least one other metal or nonmetal . Alloy is…

Q: 2) Compare and contrast the temperature dependence of the electrical conductivities of a intrinsic…

A: Answer - Intrinsic semiconductor - An intrinsic(pure) semiconductor, also called an undoped…

Q: At 1157ºC, where iron is still a solid (melting point 1538ºC), the unit cell for the most stable…

Q: Determine if each statement is true or false: (a) Substitutionalalloys are solid solutions, but…

A: Whether each statement is true or false is to be determined: (a) Substitutional alloys are solid…

Q: If you want to dope GaAs to make an n-type semiconductorwith an element to replace Ga, which…

A: Compound semiconductors have an average of four electrons per atom that is total eight valence…

Q: Define the term Ceramics? Give some examples?

A: The materials that are resistant to corrosion, hard yet brittle is known as ceramics.

Q: An AX ceramic compound has an HCP crystal structure. If the radii of the A and X ions are 0.114 and…

A: We need to find density of material.

Q: 6. What is the composition, in weight percent, of an alloy that consists of 6 at% Pb and 94 at% Sn?

Q: What is the difference between an n-type semiconductor and a p-type semiconductor?

Q: Indicate if each solid forms an n-type or a p-type semiconductor.a. germanium doped with galliumb.…

A: In the periodic table: Germanium belong to IVA group. So it has four valence electrons. Gallium…

Q: The inorganic part of bone is made of CaF2, or fluorite. For CaF2, the unit cell is cubic, and the…

A: CaF2 has fcc lattice, hence Z=4 Given, At. mass Ca = 40.08 g/mole At. mass F = 19.00 g/mole…

Q: silver is a metal commonly used in jewelry and photography. It crystallizes with a FCC unit cell…

Q: 2. How to find what a materials crystal structure is? (FCC, BCC or neither FCC or BCC or others)…

A: No of atoms in a unitcell Type of unit cell 1 SCC…

Q: <p>Describe why bronze was one of the first alloys that humans used.

Q: at is the composition, in weight percent, of an alloy that consists of 94.1 at% Ag and 5.9 at% Cu?…

Q: Would each of the following form an n-type or a p-type semiconductor: (a) Ge doped with As; (b) Si…

A: (a) Ge doped with As : n-type semiconductor will be formed. (Arsenic is electron rich impurity.)…

Q: ) Define a unit cell i) What is the coordination number of Na in a NaCl crystal lattice? iD Urinn R

A: There are mainly three states of matter-solid, gas, and liquid. In a solid-state, atoms are arranged…

Q: A hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470 kg/m3 and its atomic…

A: The ratio of mass to the volume is known as density.

Q: 3.15 The atomic weight, density, and atomic radius for O three hypothetical alloys are listed in the…

A: Solution -

Q: 4.15 What is the composition, in weight percent, of an alloy that consists of 5 at% Cu and 95 at%…

Question

What is the composition, in atom percent, of an alloy that consists of 92.5 wt% Ag and 7.5 wt% Cu? The atomic weights for silver and copper are 107.87 and 63.55 g/mol, respectively

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

What is the composition, in atom percent, of an alloy that contains 44.5 lbm of silver, 83.7 lbm of gold, and 5.3 lbm of Cu?
Amorphous silica, SiO2, has a density of about 2.2 g/cm3,whereas the density of crystalline quartz, another form ofSiO2, is 2.65 g/cm3. Which of the following statements isthe best explanation for the difference in density?(a) Amorphous silica is a network-covalent solid, but quartzis metallic.(b) Amorphous silica crystallizes in a primitive cubic lattice.(c) Quartz is harder than amorphous silica.(d) Quartz must have a larger unit cell than amorphoussilica.(e) The atoms in amorphous silica do not pack as efficientlyin three dimensions as compared to the atoms in quartz.
Which of the following is true of alloys? A. They can only be composed of metals. B. They must be held together by chemical bonds. C. They must contain a metal. D. They're liquid solutions.
Which of the following elements, if doped into silicon, would yield an n-type semiconductor: Ga, As, or C?
The electronic structure of a doped semiconductor is shown here. 1.)Is this an example of an n-type or p-type semiconductor? 2.) If the semiconductor is germanium, which of the following elements could be thedopant: Ga, Si, or P?
4. Consider an alloy of copper and gold with the structure shown here: a) What is the volume (cm3) of the unit cell?b) Calculate the density (g/cm3) of the alloy.
Which of these statements about alloys and intermetallic compoundsis false? (a) Bronze is an example of an alloy. (b) “Alloy”is just another word for “a chemical compound of fixedcomposition that is made of two or more metals.” (c) Intermetallicsare compounds of two or more metals that have a definitecomposition and are not considered alloys. (d) If you mixtwo metals together and, at the atomic level, they separate intotwo or more different compositional phases, you have createda heterogeneous alloy. (e) Alloys can be formed even if the atomsthat comprise them are rather different in size.
(a) What change occurs when AgCl is doped with CdCl2?(b) What type of semiconductor is produced when silicon is doped with boron?
Pure gold crystallizes in a face-centered cubic unit cell with an edge length of 4.08 Å. The alloy called 18-karat gold consists of 75% Au, 8.0% Ag, and 17% Cu by mass. What are the subscripts in the empirical formula of 18-karat gold (Au(x)Ag(y)Cu(z)) to two significant digits?
Describe the crystal structure of Pt, which crystallizes with four equivalent metal atoms in a cubic unit cell.