CO(g) +2 H2(g) CH3OH(1) AH° =-128.1 kJ

Chemistry
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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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AaBbCcDdEe
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Answer the following questions.
CO(g) +2 H2(g) CH3OH(1) AH° =-128.1 kJ
S°
AH
(kJ mol-')
-110.5
-238.6
AG
(kJ mol-1)
(J mol- K-)
CO(g)
CH3OH(1)
-137.3
-166.2
+197.9
+126.8
The data in the table above were determined at 25°C.
(a) Calculate AG° for the reaction above at 25°C.
(b) Calculate Keg for the reaction above at 25°C.
(c) Calculate AS for the reaction above at 25°C.
(d) In the table above, there are no data for H2. What are the values of AHƐ, AGƐ, and of the absolute
entropy, S°, for H2 at 25°C?
Transcribed Image Text:es Mailings Review View O Tell me 三 三 AaBbCcDdEe AaBbCcDdEe AaBbCcDdEe AaB Normal Body Text No Spacing Table Paragr... Не 5, and improvements, choose Check for Updates. Answer the following questions. CO(g) +2 H2(g) CH3OH(1) AH° =-128.1 kJ S° AH (kJ mol-') -110.5 -238.6 AG (kJ mol-1) (J mol- K-) CO(g) CH3OH(1) -137.3 -166.2 +197.9 +126.8 The data in the table above were determined at 25°C. (a) Calculate AG° for the reaction above at 25°C. (b) Calculate Keg for the reaction above at 25°C. (c) Calculate AS for the reaction above at 25°C. (d) In the table above, there are no data for H2. What are the values of AHƐ, AGƐ, and of the absolute entropy, S°, for H2 at 25°C?
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