Use the following data to estimate Delta Hf for potassium chloride. K(s) + 1/2 Cl2(g) -> KCl(s) Lattice energy of KCl(s) –690. kJ/mol Ionization energy for K(g) 419 kJ/mol Electron affinity of Cl(g) –349 kJ/mol Bond energy of Cl2(g) 239 kJ/mol Enthalpy of sublimation for K (s) 90. kJ/mol = ?kJ/mol
Use the following data to estimate Delta Hf for potassium chloride. K(s) + 1/2 Cl2(g) -> KCl(s) Lattice energy of KCl(s) –690. kJ/mol Ionization energy for K(g) 419 kJ/mol Electron affinity of Cl(g) –349 kJ/mol Bond energy of Cl2(g) 239 kJ/mol Enthalpy of sublimation for K (s) 90. kJ/mol = ?kJ/mol
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Chapter8: Electron Configurations And Periodicity
Section: Chapter Questions
Problem 8.120QP: Calculate H for the following process: K(g)+Br(g)KBr(s) The lattice energy of KBr is 689 kJ/mol, and...
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Use the following data to estimate Delta Hf for potassium chloride.
K(s) + 1/2 Cl2(g) -> KCl(s)
| Lattice energy of KCl(s) | –690. kJ/mol |
| Ionization energy for K(g) | 419 kJ/mol |
| –349 kJ/mol | |
| Bond energy of Cl2(g) | 239 kJ/mol |
| Enthalpy of sublimation for K (s) | 90. kJ/mol |
= ?kJ/mol
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