For a certain reaction, ΔH = -35.4 kJ/mol and ΔS = -85.5 J/K mol. Is this reaction endothermic or exothermic? Does this reaction lead to an increase or decrease in the disorder of the system? Calculate the ΔG for the reaction at 298 K. Is the reaction spontaneous at 298 K?

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter21: Chemistry Of The Nonmetals
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Problem 53QAP: Consider the reaction 4NH3(g)+5O2(g)4NO(g)+6H2O(g) (a) Calculate ?H° for this reaction. Is it...
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For a certain reaction, ΔH = -35.4 kJ/mol and ΔS = -85.5 J/K mol.

  1. Is this reaction endothermic or exothermic?
  2. Does this reaction lead to an increase or decrease in the disorder of the system?
  3. Calculate the ΔG for the reaction at 298 K.
  4. Is the reaction spontaneous at 298 K?
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