Table of Thermodynamic Values (ions are at 1 molal) NH,CI(s) NH,*(aq) CI(aq) CaCl, 2H,O(s) Ca"(aq) H,O(1) 4H° -314.4 kJ/mol -132.5 -167.2 -1457 -542.8 -285.3 S° 94.6 J/(mol K) 113.4 +56.5 203.0 -53.1 69.9 P. W. Atkins, Physical Chemistry, Tenth Edition

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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Calculate the theoretic delta H_sol (m=1) of the following reaction: 

Mn+Cl-n*mH2O (s) --> Mn+(aq)+nCl-(aq)+mH2O (l)
 for both CaCl_2*2H_2O & NH_4Cl using the table below. (The convention is that the standard enthalpy of the formation of ions in solution is referenced to 1 molal.)

 

Table of Thermodynamic Values (ions are at 1 molal)
NH,CI(s)
NH,*(aq)
CI(aq)
CaCl, 2H,O(s)
Ca"(aq)
H,O(1)
4H°
-314.4 kJ/mol
-132.5
-167.2
-1457
-542.8
-285.3
S°
94.6 J/(mol K)
113.4
+56.5
203.0
-53.1
69.9
P. W. Atkins, Physical Chemistry, Tenth Edition
Transcribed Image Text:Table of Thermodynamic Values (ions are at 1 molal) NH,CI(s) NH,*(aq) CI(aq) CaCl, 2H,O(s) Ca"(aq) H,O(1) 4H° -314.4 kJ/mol -132.5 -167.2 -1457 -542.8 -285.3 S° 94.6 J/(mol K) 113.4 +56.5 203.0 -53.1 69.9 P. W. Atkins, Physical Chemistry, Tenth Edition
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