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Tutored Practice Problem 12.4.1 COUNTS TOWARDS GRADE Calculate a lattice energy from thermodynamic data. Calculate the lattice energy of LiF(s) using the following thermodynamic data (all data is in kJ/mol). Note that the data given has been perturbed, so looking up the answer is probably not a good idea. Li(s) AHsublimation=139 kJ/mol Li(g) IE 500 kJ/mol F-F(g) DF-F 138 kJ/mol F(g) EA -348 kJ/mol LIF(S) AH-636 kJ/mol kJ/mol Do you expect this value to be larger or smaller than the lattice energy of LiBr(s)? Check & Subenit Answer Close Problem Show Approach

Tutored Practice Problem 12.4.1 COUNTS TOWARDS GRADE Calculate a lattice energy from thermodynamic data. Calculate the lattice energy of LiF(s) using the following thermodynamic data (all data is in kJ/mol). Note that the data given has been perturbed, so looking up the answer is probably not a good idea. Li(s) AHsublimation=139 kJ/mol Li(g) IE 500 kJ/mol F-F(g) DF-F 138 kJ/mol F(g) EA -348 kJ/mol LIF(S) AH-636 kJ/mol kJ/mol Do you expect this value to be larger or smaller than the lattice energy of LiBr(s)? Check & Subenit Answer Close Problem Show Approach

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter19: The Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 96QRT: Use a Born-Haber cycle (Sec. 5-13) to calculate the lattice energy of MgF2 using these thermodynamic...
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Tutored Practice Problem 12.4.1 COUNTS TOWARDS GRADE Calculate a lattice energy from thermodynamic data. Calculate the lattice energy of LiF(s) using the following thermodynamic data (all data is in kJ/mol). Note that the data given has been perturbed, so looking up the answer is probably not a good idea. Li(s) AHsublimation = 139 kJ/mol Li(g) IE= 500 kJ/mol F-F(g) DF-F 138 kJ/mol F(g) EA -348 kJ/mol LIF(S) AH = -636 kJ/mol kJ/mol Do you expect this value to be larger or smaller than the lattice energy of LiBr(s)? Check & Submit Answer Close Problem Show Approach
Transcribed Image Text:Tutored Practice Problem 12.4.1 COUNTS TOWARDS GRADE Calculate a lattice energy from thermodynamic data. Calculate the lattice energy of LiF(s) using the following thermodynamic data (all data is in kJ/mol). Note that the data given has been perturbed, so looking up the answer is probably not a good idea. Li(s) AHsublimation = 139 kJ/mol Li(g) IE= 500 kJ/mol F-F(g) DF-F 138 kJ/mol F(g) EA -348 kJ/mol LIF(S) AH = -636 kJ/mol kJ/mol Do you expect this value to be larger or smaller than the lattice energy of LiBr(s)? Check & Submit Answer Close Problem Show Approach
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