The transition metals form a class of compounds called metal carbonyls, an example of which is the

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The transition metals form a class of compounds called metal carbonyls, an example of which is the tetrahedral complex Ni(CO)4. Given the following thermodynamic data (at 298 K):Ni(s) CO(g) Ni(CO),(g) AfH (kJ/mol) 0 -110.525 -602.9 S (J/K - mol) 29.87 +197.674 +410.6

(a) Calculate the equilibrium constant for the formation of Ni(CO)4(g) from nickel metal and CO gas.
(b) Is the reaction of Ni(s) and CO(g) product- or reactant-favored at equilibrium?
(c) Is the reaction more or less product-favored at higher temperatures? How could this reaction be used in the purification of nickel metal?

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Chemistry And Chemical Reactivity

ISBN: 9780357001172

10th Edition

Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

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