CS2 (g) 4H2 (g) CH: (g) 2H2S (g) + Calculate AH°, AS° and AG° at 25°C for this reaction. AH° : (kJ/mol) AS° (J/mol·K) CS2 (g) 237.9 116.9 H2 (g) 130.6 CH4 (g) -74.87 186.1 H2S (g) -20.50 205.6 AH kJ AS J/K AG Assume AH° and ASº are constant with respect to a change of temperature. Now calculate AG° at 450°C. kJ AG°T kJ

CS2 (g) 4H2 (g) CH: (g) 2H2S (g) + Calculate AH°, AS° and AG° at 25°C for this reaction. AH° : (kJ/mol) AS° (J/mol·K) CS2 (g) 237.9 116.9 H2 (g) 130.6 CH4 (g) -74.87 186.1 H2S (g) -20.50 205.6 AH kJ AS J/K AG Assume AH° and ASº are constant with respect to a change of temperature. Now calculate AG° at 450°C. kJ AG°T kJ

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

CS2 (g)
4H2 (g)
CH: (g)
2H2S (g)
+
Calculate AH°, AS° and AG° at 25°C for this reaction.
AH° : (kJ/mol)
AS° (J/mol·K)
CS2 (g)
237.9
116.9
H2 (g)
130.6
CH4 (g)
-74.87
186.1
H2S (g)
-20.50
205.6
AH
kJ
AS
J/K
AG
Assume AH° and ASº are constant with respect to a change of temperature. Now
calculate AG° at 450°C.
kJ
AG°T
kJ

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