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1) Calculate ΔH0rxn , ΔS0rxn and ΔG0rxn for the formation of ammonia gas from nitrogen gas and hydrogen gas, and comment on whether this reaction is spontaneous at 25o Use the following data: ΔS°(N2) = 191.6 J.(mol-K) -1, ΔS°(H2) = 130.7 J.(mol-K) -1, ΔS°(NH3) = 192.8 J.(mol-K) -1, ΔH∘f (NH3) = −45.9 kJ.mol-

1) Calculate ΔH0rxn , ΔS0rxn and ΔG0rxn for the formation of ammonia gas from nitrogen gas and hydrogen gas, and comment on whether this reaction is spontaneous at 25o Use the following data: ΔS°(N2) = 191.6 J.(mol-K) -1, ΔS°(H2) = 130.7 J.(mol-K) -1, ΔS°(NH3) = 192.8 J.(mol-K) -1, ΔH∘f (NH3) = −45.9 kJ.mol-

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.15QP
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1) Calculate ΔH0rxn , ΔS0rxn and ΔG0rxn for the formation of ammonia gas from nitrogen gas and hydrogen gas, and comment on whether this reaction is spontaneous at 25o Use the following data:

  • ΔS°(N2) = 191.6 J.(mol-K) -1,
  • ΔS°(H2) = 130.7 J.(mol-K) -1,
  • ΔS°(NH3) = 192.8 J.(mol-K) -1,
  • ΔH∘f (NH3) = −45.9 kJ.mol-1.    
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