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a) Briefly explain the physical processes that lead to an equilibrium value for the volume V of a solid. b) Potassium chloride is an ionic salt, whose internal energy per mole is well-modelled by the function aN₁Q+Q™ Απερ +6Be-r/ro, where a is the Madelung constant for this material, Q are the electric charges of the potassium (K+) and chloride (Cl-) ions, N₁ is Avogrado's number, r the closest distance between oppositely charged ions, and to the permittivity of free space. We have introduced the constants B and ro. €0 U(r) = Explain the physical origin of the two terms in this equation.

a) Briefly explain the physical processes that lead to an equilibrium value for the volume V of a solid. b) Potassium chloride is an ionic salt, whose internal energy per mole is well-modelled by the function aN₁Q+Q™ Απερ +6Be-r/ro, where a is the Madelung constant for this material, Q are the electric charges of the potassium (K+) and chloride (Cl-) ions, N₁ is Avogrado's number, r the closest distance between oppositely charged ions, and to the permittivity of free space. We have introduced the constants B and ro. €0 U(r) = Explain the physical origin of the two terms in this equation.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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a) Briefly explain the physical processes that lead to an equilibrium value for the volume V of a solid. b) Potassium chloride is an ionic salt, whose internal energy per mole is well-modelled by the function aN₁Q+Q™ 4π€0 r +6Be-r/ro where a is the Madelung constant for this material, Q are the electric charges of the potassium (K+) and chloride (Cl-) ions, N₁ is Avogrado's number, r the closest distance between oppositely charged ions, and the permittivity of free space. We have introduced the constants B and ro. U(r) = Explain the physical origin of the two terms in this equation. U = - c) By assuming that potassium chloride has the same structure as sodium chloride, explain why the internal energy per mole may be written in terms of the volume V as -1/3 aNte² (2NA) (2N₁) 4π€0 +6B exp 1 [] To 2NA
Transcribed Image Text:a) Briefly explain the physical processes that lead to an equilibrium value for the volume V of a solid. b) Potassium chloride is an ionic salt, whose internal energy per mole is well-modelled by the function aN₁Q+Q™ 4π€0 r +6Be-r/ro where a is the Madelung constant for this material, Q are the electric charges of the potassium (K+) and chloride (Cl-) ions, N₁ is Avogrado's number, r the closest distance between oppositely charged ions, and the permittivity of free space. We have introduced the constants B and ro. U(r) = Explain the physical origin of the two terms in this equation. U = - c) By assuming that potassium chloride has the same structure as sodium chloride, explain why the internal energy per mole may be written in terms of the volume V as -1/3 aNte² (2NA) (2N₁) 4π€0 +6B exp 1 [] To 2NA
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