Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions ΔΗ is A Crystallization of a pure compound is spontaneous only below 125. °C. (pick one) As is (pick one) B The reverse of this reaction is always spontaneous but proceeds slower at temperatures below -30. °C. ΔΗ is (pick one) As is (pick one) ΔΗ is (pick one) This reaction is exothermic and proceeds C slower at temperatures below 139. °C. As is (pick one) ⑤
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions ΔΗ is A Crystallization of a pure compound is spontaneous only below 125. °C. (pick one) As is (pick one) B The reverse of this reaction is always spontaneous but proceeds slower at temperatures below -30. °C. ΔΗ is (pick one) As is (pick one) ΔΗ is (pick one) This reaction is exothermic and proceeds C slower at temperatures below 139. °C. As is (pick one) ⑤
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 85QRT
Related questions
Question
![Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy
AS.
Note: if you have not been given enough information to decide a sign, select the "unknown" option.
reaction
observations
conclusions
ΔΗ is
A
Crystallization of a pure compound is
spontaneous only below 125. °C.
(pick one)
As is
(pick one)
B
The reverse of this reaction is always
spontaneous but proceeds slower at
temperatures below -30. °C.
ΔΗ is
(pick one)
As is
(pick one)
ΔΗ is
(pick one)
This reaction is exothermic and proceeds
C
slower at temperatures below 139. °C.
As is
(pick one)
⑤](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F73b8b003-351e-4485-ba44-4c207bcfaae1%2F7230ceca-f76b-494a-a7f6-084e52f51124%2Fcn8bbyb_processed.png&w=3840&q=75)
Transcribed Image Text:Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy
AS.
Note: if you have not been given enough information to decide a sign, select the "unknown" option.
reaction
observations
conclusions
ΔΗ is
A
Crystallization of a pure compound is
spontaneous only below 125. °C.
(pick one)
As is
(pick one)
B
The reverse of this reaction is always
spontaneous but proceeds slower at
temperatures below -30. °C.
ΔΗ is
(pick one)
As is
(pick one)
ΔΗ is
(pick one)
This reaction is exothermic and proceeds
C
slower at temperatures below 139. °C.
As is
(pick one)
⑤
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