The enthalpy and entropy changes for a reaction at 298 K are ∆H = -102 kJ and ∆S = -208 J/K. Which of the following best describes this reaction A) The reaction is spontaneous because the entropy decreases B) The reaction is spontaneous and driven by the enthalpy change. C) The reaction is not spontaneous but could be spontaneous at a higher temperature. D) The reaction is not spontaneous because heat is absorbed.
The enthalpy and entropy changes for a reaction at 298 K are ∆H = -102 kJ and ∆S = -208 J/K. Which of the following best describes this reaction A) The reaction is spontaneous because the entropy decreases B) The reaction is spontaneous and driven by the enthalpy change. C) The reaction is not spontaneous but could be spontaneous at a higher temperature. D) The reaction is not spontaneous because heat is absorbed.
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
Section: Chapter Questions
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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The enthalpy and entropy changes for a reaction at 298 K are ∆H = -102 kJ and ∆S = -208 J/K. Which of the following best describes this reaction
A) The reaction is spontaneous because the entropy decreases
B) The reaction is spontaneous and driven by the enthalpy change.
C) The reaction is not spontaneous but could be spontaneous at a higher temperature.
D) The reaction is not spontaneous because heat is absorbed.
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