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 A.S. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction A B C observations This reaction is spontaneous except below 75. °C but proceeds at a slower rate below 170 °C. This reaction is spontaneous except above 114. °C. The reverse of this reaction is always spontaneous All is As is conclusions All is As is All is AS is X positive positive o positive positive o positive O positive 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 A.S. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction A B C observations This reaction is spontaneous except below 75. °C but proceeds at a slower rate below 170 °C. This reaction is spontaneous except above 114. °C. The reverse of this reaction is always spontaneous All is As is conclusions All is As is All is AS is X positive positive o positive positive o positive O positive 5

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Kk.244.

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 A.S.
Note: if you have not been given enough information to decide a sign, select the "unknown" option.
reaction.
A
B
C
observations
This reaction is spontaneous except below
75. °C but proceeds at a slower rate below
170. °C.
This reaction is spontaneous except above
114. °C.
The reverse of this reaction is always
spontaneous
All is
As is
conclusions
All is
AS is
All is
AS is
positive
positive 10
positive
positive o
0
positive o
positive
S

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