Table 4: Selected thermochemical values AH+° (kJ/mol) Sº (J/K-mol) K+ (aq) -252.4 102.5 NO3(aq) -207.4 146.4 KNO3(s) -494.6 133.1 AH accepted = (include units) AS accepted = (include units)
Table 4: Selected thermochemical values AH+° (kJ/mol) Sº (J/K-mol) K+ (aq) -252.4 102.5 NO3(aq) -207.4 146.4 KNO3(s) -494.6 133.1 AH accepted = (include units) AS accepted = (include units)
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 36QAP: Given the following thermochemical equations: 4B(s)+3O2(g)2B2O3(s)H=2543.8kJ H2(g)+12...
Related questions
Question
1.) Use the data in table 4 to calculate the ΔH⁰ and ΔS⁰ for the dissolution of KNO3. Show your work
with annotated calculations.
2.) How does the spontaneity of the process relate to the Ksp?
Transcribed Image Text:Table 4: Selected thermochemical values
AH+° (kJ/mol)
Sº (J/K-mol)
K+ (aq)
-252.4
102.5
NO3(aq)
-207.4
146.4
KNO3(s)
-494.6
133.1
AH accepted =
(include units)
AS accepted =
(include units)
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