For a chemical reaction to be spontaneous at all temperatures in the reverse direction, which of the following conditions must be met? AS° > 0, AH° < 0 AS° < 0, AH° < 0 It is not possible for a reaction to be spontaneous in the reverse direction at all temperatures. AS° < 0, AH° > 0 AS° > 0, AH° > 0

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.47PAE: The reaction CO2(g)+H2(g)CO(g)+H2O(g) is not spontaneous at room temperature but becomes spontaneous...
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For a chemical reaction to be spontaneous at all temperatures in
the reverse direction, which of the following conditions must be
met?
AS° > 0, AH° < 0
AS° < 0, AH° < 0
It is not possible for a reaction to be spontaneous in the reverse
direction at all temperatures.
AS° < 0, AH° > O
AS° > 0, AH° > 0
Transcribed Image Text:For a chemical reaction to be spontaneous at all temperatures in the reverse direction, which of the following conditions must be met? AS° > 0, AH° < 0 AS° < 0, AH° < 0 It is not possible for a reaction to be spontaneous in the reverse direction at all temperatures. AS° < 0, AH° > O AS° > 0, AH° > 0
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