for what purpose electrometallurgy is used for?

Q: 03. How can we determine of the band-gap of gemanium from electrical measurements?

A: Band gap of semiconductor like germanium can be determined by the study of the Variation of its…

Q: What is hydrometallurgy? Give one example where it is used for metal extraction.

A: The definition of hydrometallurgy with an example has to be discussed,

Q: estimate the fraction of electrons above fermi level in sodium and copper at room temperature

A:

Q: Why are Be and Mg metals used as deoxidizers?

A: Be and Mg metals are used as deoxidizers.

Q: (a) If the effective mass of the electron is 0.17 me and the dielectric constant of Ge is 16, find…

A: We have to find radius of the first Bohr orbit of the electron.

Q: Kl is metallic,  ionic, molecular or network covalent ? Zn is metallic, ionic, molecular or network…

A: KI is ionic .        Zn is metallic solid.          C2H2 is covalent.

Q: 2. What is the coordination number structure formed by most semiconductors and electronic materials…

A:

Q: The maximum wavelength of light that a certain silicon photocell can detect is 1.11 μm. (a) What is…

A: The energy difference between the top valence band and bottom of conduction band in terms of…

Q: Discuss the Following: Why although a non-metal, graphite is often used as an electrode material?…

A: Doping is the process of addition of metal that causes enhancement in conducting properties of the…

Q: in meters) of an electromagneti

A:

Q: Blue LEDS are made from In,Ga1-N semiconductors with a band gap in eV given by E, = 3.40 – 3.75x +…

A:

Q: Why are metals generally lustrous?

A: The general definition of the metals can be done as the elements that have tendency to lose…

Q: What is the electron sea model for bonding in metals?

A: Ionic bonding involves transfer of e- and covalent bonding involves sharing of e- between atoms.

Q: Using a band diagram explain why magnesium can be a metal even though its 3s level is full. Please…

A: The atomic number of magnesium is 12.The electronic configuration of Magnesium is written as…

Q: The minority carriers in p-type semiconductors are

A: Doping is the process by which conductivity of a semi conductor increases. When an element of group…

Q: Define d ―p bonding. ii. Why C≡N¯ can accept the electron from the d orbital in metal central?

A: i) dπ - pπ bonding = It is a special kind of bonding in which, electrons are donated from filled p…

Q: Discuss how the concept of reciprocal lattice helps in the Ewald construction and determination of…

A: The arrangement of atoms/ions that constitute the crystal in the three-dimensional pattern furnishes…

Q: How does the doping increase the conductivity of semiconductors?

A: Conductivity of semiconductors:When a certain amount of suitable impurity or doping is added, the…

Q: likely to be silicon doped with Antimony Sb?

A:

Q: why does Magnesium oxide have high thermal conductivity but low electrical conductivity?

A:

Q: calculate the linear electron density of gallium arsenide in with is 10 nm the sub band values of…

A:

Q: Construct a vis-à-vis comparison of different alloyed materials. Cite the advantages, disadvantages,…

A: Alloys are elements which are mixture of different metals or metal with non-metal . It alloys to…

Q: What do Doped semiconductors contain?

A: Semiconductors has a conductivity power in between insulators and conductors. The conductivity power…

Q: Solid CuI2 is unstable relative to CuI at room temperature, but CuBr2, CuCl2, and CuF2 are all…

A: Born haber cycle for CuI.CuI→Cus+12I2g         ∆E1Cus →Cug…

Q: An is a magnet that is created by wrapping a current-carrying wire around a ferromagnetic. O a…

A: Given answer of choices, a. electromagnet b. electric motor c. electric current

Q: MCQ 19: Group IV clement that acts as an insulator is A. Carbon (Diamond) B. Tin (Sn) C. Lead (Pb)…

A: The energy gap between valance band and conduction band determines wheather an element will conduct…

Q: Explain how metallic conductors, semiconductors, and insulators are identified and explain their…

A:

Q: Why composite biomaterials are preferred over ceramics, explain with examples.

A: Being able to use artificial intelligence to identify and automatically respond to data breaches is…

Q: Draw the crystal structure for the lattice vector below a, = 4x ā, = 4ŷ and az = 32

A: We have solid-state everywhere. And they tend to have perfect structures and shapes. Fluids don't…

Q: why Intrinsic Semiconductor materials are the bad conductors of electricity

A: Semiconductor is actually a type of material which has  conductivity in between the conductor and…

Q: What are semi-conductors?

A: Conductors are those substances which allow heat or electricity to pass through it while insulators…

Q: what are the bondling and structure of graphite, explain why graphite is a good solid lubricant

A: Graphite has a covalent structure consisting of layers of carbon atoms. Carbon atoms have 4 valence…

Q: Discuss the dependence of strength on temperature for metals, ceramics and polymers from the…

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

Q: 3) What is the difference in energy between the valence band and conduction band of electrical…

A: Conduction band is the empty band whereas valence band is the filled electronic band. Valence band…

Q: what is The

A: Nanomaterials are chemical substances having dimension of 1-100 nm. They are by-products of…

Q: Why is vanadium present in oil from some sources?

A: Vanadium is an element having atomic number 23. The atomic symbol of vanadium is V. It is a…

Q: What is graphene?

A: Graphene is an allotrope of carbon. The carbon atoms in the graphene structure are present in a…

Q: (b) Shown below are two schematic band diagrams for silicon. Answer the following questions: (i) For…

A: A doped semiconductor is the one in which certain impurities are added to increase the conducting…

Q: Titanium Ruthenium Property Electron configuration of element [Ar]4s23d [Kr]5s²4d6 2 Oxidation state…

A: In semiconductors and insulators, electrons are confined to a number of bands of energy, and…

Q: Why is graphene unique?

A: Graphene is an allotrope of carbon. The carbon atoms in the graphene structure are present in a…

Q: Briefly state the main differences between the following: 1.Microscopic structure and macroscopic…

A: 1. Microscopic structure belongs to the species which are microscopic in nature. Those are not…