A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 85.0 °C and constant total pressure. Then, he measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the second reaction. The results of his measurements are shown in the table. Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium. AH = 12. kJ J AS = 85. K Sno, (s) + 200 (g) - Sn (s) + 2C0,(g) AG = Which is spontaneous? this reaction the reverse reaction O neither AH = -76. kJ AS = 2NO (g) + Cl, (g) → 2NOCI (g) AG = 0. kJ Which is spontaneous? this reaction the reverse reaction neither
A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 85.0 °C and constant total pressure. Then, he measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the second reaction. The results of his measurements are shown in the table. Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium. AH = 12. kJ J AS = 85. K Sno, (s) + 200 (g) - Sn (s) + 2C0,(g) AG = Which is spontaneous? this reaction the reverse reaction O neither AH = -76. kJ AS = 2NO (g) + Cl, (g) → 2NOCI (g) AG = 0. kJ Which is spontaneous? this reaction the reverse reaction neither
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:A chemical engineer is studying the two reactions shown in the table below.
In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 85.0 °C and constant total pressure. Then,
he measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the second
reaction. The results of his measurements are shown in the table.
Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under
the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous
because the system is at equilibrium.
AH = 12. kJ
J
AS = 85.
K
Sno, (s) + 2c0 (g) → Sn (s) + 2C0, (g)
AG =
| kJ
Which is spontaneous?
this reaction
the reverse reaction
O neither
ΔΗ-
- 76. kJ
J
AS = ||
K
2NO (g) + Cl, (g) → 2NOCI(g)
AG = 0. kJ
Which is spontaneous?
this reaction
the reverse reaction
neither
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