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 134.0 °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. ΔΗ -188. kJ AS-396. K X N,H,(e) + H2(e)2NH, (e) TIC, (e)+2H,0(e) To,(s) + 4HC1(e) 4(g) 2H2O(g) AG-k kJ Which is spontaneous? O this reaction O the reverse reaction O neither AH -70. kJ AS= = 文 K AG = 41. kJ Which is spontaneous? O this reaction O the reverse reaction O neither R G
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 134.0 °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. ΔΗ -188. kJ AS-396. K X N,H,(e) + H2(e)2NH, (e) TIC, (e)+2H,0(e) To,(s) + 4HC1(e) 4(g) 2H2O(g) AG-k kJ Which is spontaneous? O this reaction O the reverse reaction O neither AH -70. kJ AS= = 文 K AG = 41. kJ Which is spontaneous? O this reaction O the reverse reaction O neither R G
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section: Chapter Questions
Problem 37PS: For the reaction BaCO3(s) BaO(s) + CO2(g), rG = +219.7 kJ/mol-rxn. Using this value and other data...
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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 134.0 °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.
ΔΗ -188. kJ
AS-396.
K
X
N,H,(e) + H2(e)2NH, (e)
TIC, (e)+2H,0(e) To,(s) + 4HC1(e)
4(g) 2H2O(g)
AG-k kJ
Which is spontaneous?
O this reaction
O the reverse reaction
O neither
AH -70. kJ
AS=
=
文
K
AG = 41. kJ
Which is spontaneous?
O this reaction
O the reverse reaction
O neither
R
G
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