Structure of crystalline  solids Calculate the radius of a nickel atom in cm, given that Ni has an FCC crystal structure, a density of 8.851 g/cm3, and an atomic weight of 58.69 g/mol.

Q: Considering an alloy of the two soluble components A and B described by a phase diagram Figure…

A: Given: Total mass of the alloy, M = 100 gm Percentage of component B, PB = 60% Percentage of…

Q: Rank the following dienes in order of increasing heat of hydrogenation.

A: The order of increasing heat of hydrogenation in dienes is as follows: Compound 2  and compound 4…

Q: Does the size of an ion affect the magnitude of the activity for varying ionic strengths?

A: Ionic strength is basically the number of ion concentrations in a solution. It is denoted by the…

Q: The unit cell for MgFe2O4 (MgO-Fe2O3) has cubic symmetry with a unit cell edge length of 0.836 nm.…

A: It is required to determine the number of formula units per unit cell of Fe3O4. Here p is the…

Q: Radium decomposes at a rate proportional to the quantity of radium present. Suppose that it is found…

A: To determine the half-life of radium with given information.   As is it is given, that the…

Q: Mg(s) |Mg2+ || NO3- (acid soln)| NO(g) How many total electrons are transferred in this REDOX…

A:

Q: According to valence bond theory, what set of orbitals is used by a Period 4 metal ion in forming…

A: Given: a) Square planar complex formed by period 4 metal ion b) Tetrahedral planar complex formed by…

Q: Which of the following is NOT a linear molecule? * O co2 BeH2 CS2 oC12

A: OCl2 is not a linear molecule

Q: Calculate the radius of the copper atom, given that copper has an FCC crystal structure, a density…

A:

Q: 1. True or false? In crystals, there exists an atomic mismatch within the regions where grains meet.…

A: 1. There exist atomic mismatch within the regions where grains meet. These regions are called grain…

Q: RTC means? * Your answer For the particles of an atom, which two particles have the same mass? *…

A: RTC - Regensburg Theoretical Chemistry   Protons and Neutrons have same mass - 1.67*10-24grams

Q: · Radium decomposes at a rate proportional to the amount present. If half of the original amounts…

A: Radium It is the sixth element present in the group 2 and period 7 of the periodic table with 88 as…

Q: What are the two mechanisms by which the particles in the ESP are charged ?

A: Electrostatic Precipitator (ESP)  An electrostatic Precipitator is a device that removes very fine…

Q: Fill in the blanks:(a) The symbol and atomic number of the heaviest alkaline earthmetal are_____ and…

A: Given: (a) The symbol and atomic number of the heaviest alkaline earthmetal are_____ and ____. (b)…

Q: Question 46 Most of these materials are poor conductors of electricity because of the unavailability…

A: Metals are good conductor of electricity due to presence of large number of free electrons.…

Q: 10. Which among the following is not a type of crystalline substances? a) lonic b) Metallic c)…

A: (d) is the correct answer Hydrogen bond is not a directional bond and is not arranged in ordered…

Q: It is a complex of inorganic matters that may or may not contain organic decomposed organic residues…

A: It's conceptual question asked to define the term Soil.

Q: Referring to the BCC lattice structure shown in Figure P2.12 a. Determine the number of equivalent…

A: (a) In BCC lattice has an atom at each corner of the cube and a complete atom lies in the center of…

Q: Copper has an atomic radius of 0.128 nm (1.28A°), an FCC crystal structure, and an atomic weight of…

A: Atomic radius R =0.128nm Atomic Weight A= 63.5g/mol

Q: vvnat is the number of protons, neutrons, and electrons for element has; atomic number 9, mass…

A:

Q: Two hypothetical metals are created with different elements that have the same atomic mass (g/mole)…

A: Given: Density of Metal A = 9.50 g/cm3 Density of Metal B = 8.73 g/cm3 Metal A and Metal B have same…

Q: Determine the density of a hypothetical BCC metal having an atomic mass of 63.5 g/mole and atomic…

A: Given: BCC lattice structure Atomic mass, M = 63.5 g/mol Atomic radius, r = 0.128 nm   Also, Number…

Q: Calculate the radius of a palladium atom in nm, given that Pd has a FCC crystal structure, a density…

A: Given : A = 106.4 g/mol ρ = 12 g/cm3 Palladium Structure has a FCC crystal structure, means n…

Q: The volume of tetrachloride having a mass of 1200 kg is 0.952 m^3. Compute the mass density and…

A:

Q: An over-potential of 250 mV is applied to platinum in an aqueous and electrolyte. What would be the…

A: Introduction : Mass spectrometry, gas chromatography, and amperometry have all been used to track…

Q: An electrolytic cell produces aluminum from Al2O3Al2O3 at the rate of five kilograms a day. Assuming…

A: The oxidation reaction for the Al2O3 is Al2O3→4Al3+aq+3O2g+12e- From the reaction we get number of…

Q: Calculate the unit cell edge length for an 57 wt% Ag- 43 wt% Pd alloy. All of the palladium is in…

A: Given data: The atomic weight of Ag is 107.87 g/mol and of Pd is 106.4 g/mol. The room temperature…

Q: Calculate the theoretical density of CaO, given that it has the rock salt crystal structure (see…

A: Given:  Radius of Calcium Ions = 0.1nm=1x10-10m Radius of Oxygen Ions = 0.14nm=1.4x10-10m Atomic…

Q: Two substances, X and Y, are to be identified. Substance X cannot be broken down by a chemical…

A: It is given that substance X cannot be broken down by a chemical change and substance Y can be…

Q: In order for a reaction between two molecules to occur, the molecules must [Check all that are…

A: According to the collision theory, the following criteria must be met in order for a chemical…

Q: 1. Give the number of protons, the number of neutrons, and the neutron-to-proton ratio for each…

A: Given   Fe-57Fe2657atomic number = 26Protons = electrons = 26mass number = 57Protons + neutrons =…

Q: For the solidification of iron, calculate the critical radius r* and the activation free energy AG*…

A:

Q: Metals have a good conductivity for heat and electricity

A: Yes metals are good conductor of both heat and electricity.

Q: X. Materials engineering is designing or engineering the structure of a material to produce a…

A: Ans is C as both the statements are correct statement 1 that is what the definition of material…

Q: It is the set of physical phenomena associated with the presence and motion of matter that has a…

A: 1. Electricity

Q: Primary Bonds Three types of primary bonds are defined, based on the manner in which the valence…

A: To create a more stable electron configuration, primary bonds entail sharing or giving electrons…

Q: some materials that have a crystalline structure

A: crystalline structure is a structure in which molecular chain are arranged in repeatable manner. The…

Q: List the 5 classes of the crystal-chemical classification of minerals, giving a mineral example for…

A: The 5 classes of minerals are as follows. Silicates minerals Sulfides minerals Carbonates minerals…

Q: It is the ability of a material to absorb energy without creating permanent deformati

A: This question is related to the Strength of the Material.

Q: öalg äbäi is often described as the area of chemistry responsible for characterizing the composition…

A: Qualitative and quantitative compositions of matter are analyzed by using various methods. It helps…

Q: It has the chemical formula Cóohas hollow spherical cluster shape. O Buckminsterfullerene O Carbon…

A: Buckminsterfullerene has a formula C60 and having a hollow spherical cluster shape.