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
Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 107CWP: Given the thermodynamic data below, calculate S and Ssurr for the following reaction at 25C and 1...
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7a.)
Transcribed Image Text:Consider the reaction
CS2(9) + 4H2 (g) – CH4(g) + 2H,S(g)
a. Caleulate AH®, AS° ¸ and AG° at 25°C for this reaction.
AH; (kJ/mol) S° (Jmol-K)
CS2(g)
H, (g)
CH, (g)
116.9
237,9
130.6
=74.87
186.1
H2S(g)
-20.50
205.6
AH
kJ
AS =
JK
AG-
kJ
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