K (s) + ½Cl, (g) – KCI (s) AH° = – 437 kJ/molpn 14. It is observed that the reaction producing KCl from its elements goes essentially to completion upon mixing at room temperature. Which of the following is a true statement about the thermodynamic favorability of the reaction above? A) The reaction is favorable and driven by an enthalpy change only. B) The reaction is unfavorable and driven by an entropy change only. C) The reaction is favorable and driven by both enthalpy and entropy changes. D) The reaction is unfavorable due to both enthalpy and entropy changes.
K (s) + ½Cl, (g) – KCI (s) AH° = – 437 kJ/molpn 14. It is observed that the reaction producing KCl from its elements goes essentially to completion upon mixing at room temperature. Which of the following is a true statement about the thermodynamic favorability of the reaction above? A) The reaction is favorable and driven by an enthalpy change only. B) The reaction is unfavorable and driven by an entropy change only. C) The reaction is favorable and driven by both enthalpy and entropy changes. D) The reaction is unfavorable due to both enthalpy and entropy changes.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 51PS: Enthalpy changes for the following reactions can be determined experimentally: N2(g) + 3 H2(g) 2...
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Transcribed Image Text:K (s) + ½Cl, (g) – KCI (s)
AH° = - 437 kJ/mol.
%3D
rx
14. It is observed that the reaction producing KCl from its elements goes essentially to completion upon
mixing at room temperature. Which of the following is a true statement about the thermodynamic
favorability of the reaction above?
A) The reaction is favorable and driven by an enthalpy change only.
B) The reaction is unfavorable and driven by an entropy change only.
C) The reaction is favorable and driven by both enthalpy and entropy changes.
D) The reaction is unfavorable due to both enthalpy and entropy changes.
Justify:
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