Calculate ΔSϴ for the reduction of aluminum oxide by hydrogen gas:Al2O3(s) + 3H2(g) → 2Al(s) + 3H2O(l)Use the following thermochemical data:Al2O3(s) Sϴ = 51.0 J mol–1 K–1H2(g) Sϴ = 131 J mol–1 K–1Al(s) Sϴ = 28.0 J mol–1 K–1H2O(l) Sϴ = 189 J mol–1 K–1 a.+138 J K–1 b.–192 J K–1 c.+365 J K–1 d.179 J K–1 e.–262 J K–1

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Answered: Calculate ΔSϴ for the reduction of…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter24: Biochemistry

Section: Chapter Questions

Problem 24PS: The chemical equation for the fermentation of glucose into ethanol is C6H12O6(s) 2 C2HsOH()+ 2...

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Calculate ΔS^ϴfor the reduction of aluminum oxide by hydrogen gas:

Al₂O₃(s) + 3H₂(g) → 2Al(s) + 3H₂O(l)

Use the following thermochemical data:

Al₂O₃(s)                S^ϴ= 51.0 J mol^–1K^–1

H₂(g)                     S^ϴ= 131 J mol^–1K^–1

Al(s)                      S^ϴ= 28.0 J mol^–1K^–1

H₂O(l)                   S^ϴ= 189 J mol^–1K^–1

a.

+138 J K^–¹

b.

–192 J K^–¹

c.

+365 J K^–¹

d.

179 J K^–1

e.

–262 J K^–¹

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