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Q:4 For an Na Cl ion pair, attractive and repulsive energies E A and ER respectively, depend on the distance between the ions r, according to EA= - 1.436/r ER= 7.32* 10%r Subject : Materials Engineering By Iman Mashkoor Thermal Mechanical Engineering Department For these expressions, energies are expressed in electron volts per pair Na*Cl, and r is the distance in nanometers. The net energy EN is just the sum of the two expressions above. (a) Superimpose on a single plot EN, EA , ER and versus r up to 1.0 nm. (b) On the basis of this plot, determine (i) the equilibrium spacing ro between the Na* and Cl ions, and (ii) the magnitude of the bonding energy E, between the two ions. (c) Mathematically determine the ro and values using the solutions to Problem 2.14 and compare these with the graphical results from part (b).

Q:4 For an Na Cl ion pair, attractive and repulsive energies E A and ER respectively, depend on the distance between the ions r, according to EA= - 1.436/r ER= 7.32* 10%r Subject : Materials Engineering By Iman Mashkoor Thermal Mechanical Engineering Department For these expressions, energies are expressed in electron volts per pair Na*Cl, and r is the distance in nanometers. The net energy EN is just the sum of the two expressions above. (a) Superimpose on a single plot EN, EA , ER and versus r up to 1.0 nm. (b) On the basis of this plot, determine (i) the equilibrium spacing ro between the Na* and Cl ions, and (ii) the magnitude of the bonding energy E, between the two ions. (c) Mathematically determine the ro and values using the solutions to Problem 2.14 and compare these with the graphical results from part (b).

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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Q:4 For an Na*CI ion pair, attractive and repulsive energies E A and ER respectively, depend on the distance between the ions r, according to EA= - 1.436/r ER= 7.32* 10%r8 Thermal Mechanical Subject : Materials Engineering By Iman Mashkoor Engineering Department For these expressions, energies are expressed in electron volts per pair Na*Cl', and r is the distance in nanometers. The net energy EN is just the sum of the two expressions above. (a) Superimpose on a single plot EN , EA , ER and versus r up to 1.0 nm. (b) On the basis of this plot, determine (i) the equilibrium spacing rọ between the Na* and Cl" ions, and (ii) the magnitude of the bonding energy Eo between the two ions. (c) Mathematically determine the ro and values using the solutions to Problem 2.14 and compare these with the graphical results from part (b).
Transcribed Image Text:Q:4 For an Na*CI ion pair, attractive and repulsive energies E A and ER respectively, depend on the distance between the ions r, according to EA= - 1.436/r ER= 7.32* 10%r8 Thermal Mechanical Subject : Materials Engineering By Iman Mashkoor Engineering Department For these expressions, energies are expressed in electron volts per pair Na*Cl', and r is the distance in nanometers. The net energy EN is just the sum of the two expressions above. (a) Superimpose on a single plot EN , EA , ER and versus r up to 1.0 nm. (b) On the basis of this plot, determine (i) the equilibrium spacing rọ between the Na* and Cl" ions, and (ii) the magnitude of the bonding energy Eo between the two ions. (c) Mathematically determine the ro and values using the solutions to Problem 2.14 and compare these with the graphical results from part (b).
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