Find the work done when a Na+ (monovalent) ion moves from a distance of 1mm to the surface ~10 Å

Q: a. V, E, and D at p = 20 mm

A: Hello. Since your question has multiple sub-parts, we will solve the first sub-part (which has three…

Q: 1.( (A) sonic. The bonding among atoms in NaCl crystalline structure is (B) metallic. (C) covalent.…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: strips ne has (40 um) thick, and (6 mm) long. One strip is of int ermanium and has (0.5 mm) wide.…

A: Given: The resistance of the strips connected in parallel R=10 kΩ. Thickness of the  strips t=40 μm.…

Q: If the bonding energy, in terms of (r), between two ions is ( number. a) Find the repulsive and…

A: (a) The bonding energy between the two ions is given by To find the repulsive and attractive forces,…

Q: Calculate the conductivity of germanium at 200 deg C

A: Given data, Temperature of the sample of Ge = 200oC

Q: 1. Calculate the internal energy and heat capacity of the conduction electrons in a block of…

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Q: Calculate the force of attraction between a Ca2 and an O2 ions where their centers are separated by…

A: Given The charge on the Ca2 ion is q1=2e. The charge on the O2 ion is q2=-2e The distance between…

Q: A 37.5 kn resistor is made of two strips connected in parallel, each one has 6 mm long, one strip is…

A: Given two strips connected in parallel   37.5 k-ohm length of first strip=l1 length of second…

Q: One model for the potential energy of a two-atom molecule, where the atoms are separated by a…

A: Given: U(r) = Uoror12-ror7ro=0.8 nmUo=6.1 eV

Q: When a photon enters the depletion zone of a p-n junction, the photon can scatter from the valence…

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Q: he molecule bromine monofluoride has a dipole moment of 1.42 D and a bond length of 176 pm.…

A: Givenμ=1.42 Dd=176 pm=176×10-12 me=1.6×10-19 C

Q: The vacancy concentration for a metal A at a temperature T is 1.1 x 10°20. Calculate the vacancy…

A: Vacancy concentration=1.1*10^-10=exp(-q/kT)    To find Vacancy concentration at 2T;

Q: The attractive force between a pair of Sr2+ and O2- ions is 1.52 x 108 N and the ionic radius of O2-…

A: Given, F=1.52×10-8 Ne=1.6×10-19 CrO2-=0.134 nmε0=8.85×10-12 C2N-1m-2

Q: Determine the emf and AG of the cell reaction at 298 K for the given cell. Mg(s) | Mg2+ (0.01M) ||…

A: Given data, Temperature T = 298 K. E0mg2+/mg=-2.37 V,E0Ag2+/Ag=0.8 V.

Q: Calculate the number density (number per unit volume) for (a) molecules of oxygen gas at 0.0°C and…

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Q: 26.2) Estimate the total food energy needed for the planet's population assuming a diet of 2400…

A: The world population is  P=7,800,000,000Amount of calories intake per day per personQ=2400…

Q: A sample of a certain metal has a volume of 4 × 10−5 m3. The metal has a density of 9.0 g/cm3and a…

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Q: Silicon atoms with a concentration of 7x 1010 cm3 are added to gallium arsenide GaAs at T = 400 K.…

A: Given Data :  Silicon atom concentration = 7 * 1010  Nc = 4.7 * 1017 cm-3  Nv = 7 * 1018  cm-3  Eg =…

Q: Calculate the number of free electrons per cm³ for gold (you need to use the density and atomic mass…

A: The number of free electrons per cm3 in gold is 5.90 × 1023Explanation:For the density and atomic…

Q: The presence of free electrons makes a material a good insulator. a True b False

A: The Question is Asking whether the Statement The presence of free electrons makes a material a good…

Q: The binding energy of an electron in a hydrogen atom is 13.6 electron volts. At what temperature…

A: The adiabatic index be defined as the heat capacity ratio. Also, the energy is given as;

Q: Can Silver (E°red = +0.800 V) be used as a sacrificial anode for iron surfaces (E°red = –0.440 V)?

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Q: Indicate the average time between the collisions of electrons in silver (classical model of…

A: Conductivity is inversely proportional to electrical resistivity

Q: A transistor with a height of 0.4cm and a diameter of 0.6cm is mounted on a circuit board. The…

A: Whenever there is thermal gradient heat will flow from higher temperature to lower temperature. One…

Q: Calculate the Fermi energy of sodium. The number of valence electrons per unit volume for sodium is…

A:

Q: Let E = 2{[(x + 1)^2][(y + 2)^2][(z + 3)^3]} V in free space. At P(2,-1,4) find pv. C-15.67 nC/m^3…

A: We are given the electric field. We know that from Gauss law, ∇→.E→=ρvεo Here ρv is the charge…

Q: How many protons does a gold atom have:

A: An element symbol in atomic physics is represent as, XZAwherer, A is the mass numberZ = atomic…

Q: In an experiment to measure a for a certain gas, it was found that the steady current is 3.8x10 A at…

A: I can solve only 1 question in one session. The solution will be provided to the first question in…

Q: The total number of free electrons is more, the conductivity of the material will be more. Select…

A: We know the expression for charge is  q= nen = number of electrons e = charge on electron

Q: Consider a molecule that can be in one of two different conformation states A or B. These states are…

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Q: One description of the potential energy of a diatomic molecule is given by the Lennard–Jones…

A:

Q: rature of the ho For Cn : a =-

A: Given as, Cu⇒a=0.6mv,b=0.008mvkCn⇒a=-20mv,b=-0.056mvk

Q: Q/ A (10 KQ) resistor is made of two strips connected in parallel, each one has (40 um) thick, and…

A: Given Resistor = 10 kΩ Length of the first strip l1                  = 6 mm Length of the second…

Q: The force of attraction between a divalen cation and a divalen anion is 2.60 x 10^-8 Newtons. If the…

A:

Q: One model for the potential energy of a two-atom molecule, where the atoms are separated by a…

A: Given:

Q: 5. a) Consider a GaAs pn junction, in thermal equilibrium at 300 K, under zero-bias and with dopant…

A: Hey there, since you have asked multiple questions we have solved the first one for you. Please…

Q: The atomic radius of gold (Au) is 0.146 nm and its atomic mass is 197 gmol-1. Assuming the atoms to…

A: Solution:-Given thatAtomic radius of Gold (r)=0.146 nm=0.146×10-9 mAtomic mass of Gold =197…

Q: • Calculate o for pure gallium arsenide (GaAs) if only three electron liberated from 10^14 valence…

A: Solution: Write the intrinsic carrier concentration, ni for Gallium Arsenide (GaAs). ni=1.8×1012 m-3…

Q: A p-n junction made of Silicon has an intrinsic carrier concentration of 1.1 × 10¹⁰ cm-³, a donor…

A: Given:p−n junction is made out of Siliconintrinsic carrier concentration, ni = 1.1×1010 cm−3donor…

Q: K and (ii) T=400 K. (b) Repeat part (a) for GaAs. alles in silicon between E, and 3.27 (a) Determine…

A:

Q: Would you anticipate superconductivity from a material with little or no crystal structure (a…

A: Amorphous materials are those that have no fixed crystal structure. Amorphous film materials can be…

Q: The atomic radii of X+n and Y-m ions are 0.072and 0.133 nm, respectively. Calculate the attractive…

A: Potential energy = kq1 q2 /r

Q: (Exercise. Derivation

A: Given: ∂=Kcπc