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5) The equilibrium separation of the K and CI ions in KCl is about 0.267 nm. (a) Calculate the potential energy of attraction of the ions, assuming them to be point charges at this separation. (b) The ionization energy of potassium is 4.34 eV and the electron affinity of chlorin 3.61 eV. Find the dissociation energy for KCI, neglecting any energy of repulsion. (c) The measured dissociation energy is 4.43 eV. What is the energy due to repulsion of the ions at the equilibrium separation?

5) The equilibrium separation of the K and CI ions in KCl is about 0.267 nm. (a) Calculate the potential energy of attraction of the ions, assuming them to be point charges at this separation. (b) The ionization energy of potassium is 4.34 eV and the electron affinity of chlorin 3.61 eV. Find the dissociation energy for KCI, neglecting any energy of repulsion. (c) The measured dissociation energy is 4.43 eV. What is the energy due to repulsion of the ions at the equilibrium separation?

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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5) The equilibrium separation of the K and CI ions in KCl is about 0.267 nm. (a) Calculate the potential energy of attraction of the ions, assuming them to be point charges at this separation. (b) The ionization energy of potassium is 4.34 eV and the electron affinity of chlorin 3.61 eV. Find the dissociation energy for KCl, neglecting any energy of repulsion. (c) The measured dissociation energy is 4.43 eV. What is the energy due to repulsion of the ions at the equilibrium separation?
Transcribed Image Text:5) The equilibrium separation of the K and CI ions in KCl is about 0.267 nm. (a) Calculate the potential energy of attraction of the ions, assuming them to be point charges at this separation. (b) The ionization energy of potassium is 4.34 eV and the electron affinity of chlorin 3.61 eV. Find the dissociation energy for KCl, neglecting any energy of repulsion. (c) The measured dissociation energy is 4.43 eV. What is the energy due to repulsion of the ions at the equilibrium separation?
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