Which of the following statements about the standard Gibbs energy change for the reaction, A,G° is best. O A;G° is the maximum amount of work that can be done when the reaction is at equilibrium. A;G° is the energy released by the reaction. O A„G° is the energy released by the reaction when the gases are at their equilibrium partial pressures. O A„G° is the maximum amount of work that can be done when all the gases are present each 1 bar.
Which of the following statements about the standard Gibbs energy change for the reaction, A,G° is best. O A;G° is the maximum amount of work that can be done when the reaction is at equilibrium. A;G° is the energy released by the reaction. O A„G° is the energy released by the reaction when the gases are at their equilibrium partial pressures. O A„G° is the maximum amount of work that can be done when all the gases are present each 1 bar.
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 101QRT: Appendix J lists standard molar entropies S, not standard entropies of formation rS. Why is this...
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Transcribed Image Text:Which of the following statements about the standard Gibbs energy change for the reaction, A;G° is best.
O A„;G° is the maximum amount of work that can be done when the reaction is at equilibrium.
O A,G° is the energy released by the reaction.
O A,G° is the energy released by the reaction when the gases are at their equilibrium partial pressures.
O A;G° is the maximum amount of work that can be done when all the gases are present each at 1 bar.
Transcribed Image Text:Consider the following reaction:
2 H2(g) + 2 NO(g)
N2(g) + 2 H20(g)
and the following table of standard enthalpies of
formation and standard absolute entropies:
compound AH (kJ mol-1) s° (J K-1 mol-1)
H2(g)
130.8
NO(g)
91.3
210.8
N2(g)
191.6
H20(g)
-241.8
188.8
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