Exn 1. Predict the sign of AS for the following reaction. Is entropy increasing or decreasing? Explain. 2. Calculate A HAG and A Son for the following reaction given thermodynamic data below. Pay attention to the phase of matter (s, I, g, aq) when selecting the appropriate values. HNO₂(g) + NH₂(g) → NH.NO,(s) Nitrogen NH3 (9) NH, (aq) HNO₂(g) + NH₂(g) → NH.NO,(s) HNO3(aq) HNO, (1) HNO₂ (9) NH.NO, (S) NH4NO₂ (aq) AH AG AS AH, (kJ/mol) AG, (kJ/mol) S (J/mol K) 192.5 111.0 146.4 155.6 266.4 151.1 259.8 -46.1 -80.0 -207.4 -174.1 -135.1 -365.6 -339.9 -16.5 -27.0 -111.3 -80.7 -74.7 -183.9 -190.6 Activa Go to S
Exn 1. Predict the sign of AS for the following reaction. Is entropy increasing or decreasing? Explain. 2. Calculate A HAG and A Son for the following reaction given thermodynamic data below. Pay attention to the phase of matter (s, I, g, aq) when selecting the appropriate values. HNO₂(g) + NH₂(g) → NH.NO,(s) Nitrogen NH3 (9) NH, (aq) HNO₂(g) + NH₂(g) → NH.NO,(s) HNO3(aq) HNO, (1) HNO₂ (9) NH.NO, (S) NH4NO₂ (aq) AH AG AS AH, (kJ/mol) AG, (kJ/mol) S (J/mol K) 192.5 111.0 146.4 155.6 266.4 151.1 259.8 -46.1 -80.0 -207.4 -174.1 -135.1 -365.6 -339.9 -16.5 -27.0 -111.3 -80.7 -74.7 -183.9 -190.6 Activa Go to S
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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Transcribed Image Text:1. Predict the sign of ASn for the following reaction. Is entropy increasing or decreasing?
rxn
Explain.
2. Calculate AH, AG, and A Son for the following reaction given thermodynamic data
below. Pay attention to the phase of matter (s, I, g, aq) when selecting the appropriate values.
HNO3(g) + NH3(g) → NH₂NO3(s)
Nitrogen
NH3 (9)
NH3(aq)
HNO3(aq)
HNO₂(g) + NH3(g) → NH4NO₂(s)
HNO3 (1)
HNO3 (9)
NH4NO3 (S)
NH4NO3(aq)
AH
AH, (kJ/mol) AG, (kJ/mol) S° (J/mol K)
-16.5
192.5
-27.0
111.0
-111.3
146.4
-80.7
155.6
-74.7
266.4
151.1
259.8
Gran
AS
-46.1
-80.0
-207.4
-174.1
-135.1
-365.6
-339.9
-183.9
-190.6
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