The vaporization of a liquid at a certain temperature and pressure is spontaneous. For this process, which of the inequalities regarding the Gibbs free energy, the internal energy and the enthalpy is(are) correct? A) G < 0 but nothing can be said about U and H. B) U < H but nothing can be said about G. C) G < 0 and U = H D) G < 0 and U > H E) G < 0 and U < H
The vaporization of a liquid at a certain temperature and pressure is spontaneous. For this process, which of the inequalities regarding the Gibbs free energy, the internal energy and the enthalpy is(are) correct? A) G < 0 but nothing can be said about U and H. B) U < H but nothing can be said about G. C) G < 0 and U = H D) G < 0 and U > H E) G < 0 and U < H
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 121QRT
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The vaporization of a liquid at a certain temperature and pressure is spontaneous. For
this process, which of the inequalities regarding the Gibbs free energy, the internal
energy and the enthalpy is(are) correct?
A) G < 0 but nothing can be said about U and H.
B) U < H but nothing can be said about G.
C) G < 0 and U = H
D) G < 0 and U > H
E) G < 0 and U < H
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Can you please elaborate on why ΔU would be < ΔH? I don't quite understand the logic behind it.
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