The HaberBosch process for the production of ammonia is one of the key industrial processes in developed

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The Haber–Bosch process for the production of ammonia is one of the key industrial processes in developed countries.
N2(g) + 3 H2(g) ⇄ 2 NH3(g)
(a) Calculate ΔrG° for the reaction at 298 K, 800 K, and 1300 K. Data at 298 K are given in Appendix L. Data for the other temperatures are as follows:

Temperature 800 K 1300 K A,H (kJ/mol) A. S (J/K . mol) -225.4 -228.0 -107.4 -112.4

How does the ΔrG°change with temperature?
(b) Calculate the equilibrium constant for the reaction at 298 K, 800 K, and 1300 K.
(c) At what temperature (298 K, 800 K, or 1300 K) is the mole fraction of NH3 the greatest?

Data given in Appendix L

TABLE 20 Species Aluminum Al(s) AICI 3(S) Al2O3(S) Barium BaCl(s) BaCO3(s) BaO(s) BaSO4(s) Beryllium Be(s)

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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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