The crystalline hydrate Cd(NO3)2 .4H2O(s) loses waterwhen placed in a large, closed, dry vessel at roomtemperature:Cd(NO3)2 .4H2O(s)----->Cd(NO3)2(s) + 4 H2O(g)This process is spontaneous and ΔH° is positive at room temperature.(a) What is the sign of ΔS° at room temperature?(b) If the hydrated compound is placed in a large, closed vesselthat already contains a large amount of water vapor, doesΔS° change for this reaction at room temperature?
The crystalline hydrate Cd(NO3)2 .4H2O(s) loses waterwhen placed in a large, closed, dry vessel at roomtemperature:Cd(NO3)2 .4H2O(s)----->Cd(NO3)2(s) + 4 H2O(g)This process is spontaneous and ΔH° is positive at room temperature.(a) What is the sign of ΔS° at room temperature?(b) If the hydrated compound is placed in a large, closed vesselthat already contains a large amount of water vapor, doesΔS° change for this reaction at room temperature?
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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The crystalline hydrate Cd(NO3)2 .4H2O(s) loses water
when placed in a large, closed, dry vessel at room
temperature:
Cd(NO3)2 .4H2O(s)----->Cd(NO3)2(s) + 4 H2O(g)
This process is spontaneous and ΔH° is positive at room temperature.
(a) What is the sign of ΔS° at room temperature?
(b) If the hydrated compound is placed in a large, closed vessel
that already contains a large amount of water vapor, does
ΔS° change for this reaction at room temperature?
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