The study of a crystalline solid, such as sodium chloride for example, involves the lattice enthalpy AjattH that gives an interpretation of the cohesion within the crystalline lattice and that is associated with the process: Na+ Cl NaCl (), the lattice enthalpy corresponds to an exothermic process and is negative. Sublimation of Na AsubH° = + 107.32 kJ mol-! Ionization of Na AjonH° = + 498.3 kJ mol-l Dissociation of Cl2 (g) = + 242.36 kJ mol·1 Electron affinity of Cl AcaH° = - 351.2 kJ mol- Formation of NaCl (s) A¢H° 411.15 kJ mol -Calculate the actual value of AlattH for the crystal of sodium chloride.

The study of a crystalline solid, such as sodium chloride for example, involves the lattice enthalpy AjattH that gives an interpretation of the cohesion within the crystalline lattice and that is associated with the process: Na+ Cl NaCl (), the lattice enthalpy corresponds to an exothermic process and is negative. Sublimation of Na AsubH° = + 107.32 kJ mol-! Ionization of Na AjonH° = + 498.3 kJ mol-l Dissociation of Cl2 (g) = + 242.36 kJ mol·1 Electron affinity of Cl AcaH° = - 351.2 kJ mol- Formation of NaCl (s) A¢H° 411.15 kJ mol -Calculate the actual value of AlattH for the crystal of sodium chloride.

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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