Why do natural diamonds do not behave as semi-conductors?

Q: 2- A) Calculate the highest linear density (atoms/m) encountered in Vanadium (V)? B) For Vanadium,…

A: Explained as follows

Q: Advantages and disadvantages relationship of conductance and conductivity.

A: Conductance It is defined as the reciprocal of resistance of a conductor or the ability of any…

Q: Electronic semi conductor In a direct band gap semiconductor quantum well of 10 nm thickness…

A: In the direct bandgap semiconductor for the transition of an electron from the first excited state…

Q: A Knudsen cell was used to determine the vapour pressure of germanium at 1000 °C. During an interval…

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Q: 3. An fcc structured crystal, which area has the most Miller index of atoms per unit area?.…

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Q: Strontium titanate (SrTiO3) is another wide bandgap semiconductor that has been investigated for use…

A: For H2|H+ electrode the value of standard reduction potential is 0V. For O2|H2O electrode the value…

Q: The contact angle for water on clean glass is close to zero. Calculate the surface tension of water…

A: Surface tension- This is property of surface of liquid in which due to cohesive nature of…

Q: What is a matrix used in cyclic voltammetry? Define and give example of such

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Q: The physical quantity that quantifies or provides a measure of how active molecules are on a…

A: Density: Density is a measure of mass per volume. The average density of an object equals its total…

Q: Spin transistor. a the origin of Polarity of magnetoresistance in graphene interlayer

A: In this question we have to tell that the origine of polarity of Magnetoresistance in graphene…

Q: At 25 °C the molar ionic conductivities of Li+, Na+, and K+ are 3.87 mS m2 mol−1, 5.01 mS m2 mol−1,…

A: Mobility "u" formula is: Substitute the given conductivities of the given ions in this formula to…

Q: The surface tension of water at 20°C is 72.7 mN m and its density is 0.998 g cm³. Assuming a contact…

A: This problem utilises the concept of balancing of downward pressure force with the suface tension…

Q: Under what conditions do zwitterions exist?

A: A zwitterion is adipolar ion that has a net charge equal to zero. An amino acid has both acidic and…

Q: Consider a restricted random walk on a square lattice. Let us assume that a walker is not allowed to…

A: The repetitions unit of definite arrangement is called a lattice of the cube. A lattice is a…

Q: How may the conductivity of an intrinsic semiconductor be increased?

A: The intrinsic semiconductor is a type of semiconductor which is pure semiconductor, which has no…

Q: Consider band structure of a material with energies in the valance and conduction bands: E, = -JA² +…

A: I will the answers for finding bandgap and effective mass for holes and electrons

Q: Find the electric potential energy of an Na+ ion and a Cl- ion separated by 0.24 nm. Consider the…

A: The energy possessed by the charges due to their position at a certain point is known as potential…

Q: Derive simplified expressions for F2 for diamond, including the rules governing observed…

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Q: Consider a conductor with the following properties: q 1.6 x 10 p= 5 x 10° 2-m and N = 1 x 10" m*.…

A: 2. Answer -

Q: What is the temperature and length of time it takes for boron-doped graphene to diffuse into…

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Q: Variable electrovalency is shown by which block elements?

A: The distribution of electrons in atomic or molecular orbitals of an atom or of a molecule is known…

Q: How do I calculate the limiting conductivity of ZnSO4 from this table?

A: The molar conductivity of a solution at infinite dilution is known as limiting molar conductivity,…

Q: Please provide step-by-step anwser What is the probable lattice type of crystalline substances that…

A: Miller Indices (hkl) is a set of numbers that calculate the intercept of the crystallographic axes…

Q: Calculate the conductivity of 0.8200 Al,(SO)3 in units of S/cm. AM (S/M-cm) AM (S/M-cm) Cation Anion…

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Q: How is electrolytic conductance measured experimentally?

A: Given term,      Electrolytic conductance

Q: How do you estimate what concentrations of electrolyte will be required for a conductivity in the…

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Q: What are the different tetrabasic forms of EDTA?

A: Ethylenediamine tetraacetic acid (EDTA) is a polyprotic acid containing four carboxylic acid groups…

Q: What is the Molecular geormetry for SiO32- ?

A: The molecular structure is a 3-dimensional representation of bond pairs around the central atom. It…

Q: The contact angle for water on glass is close to zero. Calculate the surface tension of water at 25…

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Q: 14. The transport numbers for HCI at infinite dilution are estimated to be t=0.8210 and t 0.1790 and…

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Q: How many independent (directions where the Miller Indices differ by more than a factor of -1) close…

A: The FCC unit cell is the simplest repeating unit in a cubic close-packed structure and in FCC…

Q: 12. What is the expected limiting molar conductivity (mS m² mol¹) for Ca(NO3)2? a) 25.012 b) 25.662…

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Q: How can the conductivity of semi-conductors be controlled?

A: The conductivity of semiconductors may easily be modified by introducing impurities into their…

Q: What are the Miller indices of the slip directions: (a) on the (111) plane in an FCC unit cell? (b)…

A: To determine the Miller indices of slip directions for the (111) plane in FCC unit cell and (011) in…

Q: t 25∘C, how high will water rise in a glass capillary tube with an inner diameter of 0.75 mm? For…

A: Rise in the tube , h = 2TCosθρrg θ = 0o contact angle will be zero since the water has to rise…

Q: A first order reflection from the (123) planes of a cubic crystal was observed at an angle of e =…

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Q: Calculate the thermal conductivity of nitrogen (CV,m = 20.8 J K−1 mol−1, σ = 0.43 nm2) at 298 K.

A: The thermal conductivity (k) of the nitrogen is calculated as shown below. k=CV,m3×σ×NA×4RTπM .....…

Q: Calculate the conductivity of 0.6400 Al2(SO4)3 in units of S/cm. Cation AM AM Anion (S/M-cm)…

A: GivenAl2(SO4)3 Concentration of Al2(SO4)3 = 0.6400Conductivity of 0.64000 Al2(SO4)3 = To be…

Q: State the number of atoms on a plane having the miller indices of 110 in a BCC unit cell.

A: BCC stands for body centered cubic unit cell and this type of unit cell contains an atom at each…

Q: X-ray diffractionanalysis(using a Cu anode)of a specimen with a known cubiccrystal structure reveals…

A: We know that wavelength of the X-ray emitted from Cu anode = 1.54 angstrom = 1.54×10-10 m Suppose,…

Q: (a) Calculate the root mean square end-to-end distance and the radius of gyration for a molecule in…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: (b) What are conducting polymers? Outline the conduction mechanisms of conducting polymers with…

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Q: 0.5 Y 0.67

A: