6.20 Salts containing the [N₁] and [3] ions are known (see Section 15.5), but (as of 2016) the ionic salt [N] [N3] has not been isolated. (a) Use the VBT approach to estimate the lattice energy of [N5] + [N3]. Data: V (N5¹) = 0.051 nm³; V(N3¯) 0.051 nm³; V(N3-) = 0.058 nm3³. (b) Given that AH°(298 K) for [N₁]+(g) and [N3] (g) = +1479 and +198 kJ mol-¹, respectively, use your answer from part (a) to estimate AHO (298 K) for [N₁][N3] (s). Comment on the value obtained for A Hº ([Ns] [N3]¯¯, s) and on any assumptions made. What can you say about the thermodynamic stability of [N5] [N3]¯(s)? 50001 Di

6.20 Salts containing the [N₁] and [3] ions are known (see Section 15.5), but (as of 2016) the ionic salt [N] [N3] has not been isolated. (a) Use the VBT approach to estimate the lattice energy of [N5] + [N3]. Data: V (N5¹) = 0.051 nm³; V(N3¯) 0.051 nm³; V(N3-) = 0.058 nm3³. (b) Given that AH°(298 K) for [N₁]+(g) and [N3] (g) = +1479 and +198 kJ mol-¹, respectively, use your answer from part (a) to estimate AHO (298 K) for [N₁][N3] (s). Comment on the value obtained for A Hº ([Ns] [N3]¯¯, s) and on any assumptions made. What can you say about the thermodynamic stability of [N5] [N3]¯(s)? 50001 Di

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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