Answered: For molecular oxygen, So298 = 205.138 J…

For molecular oxygen, So298 = 205.138 J K-1 mol-1. Find So at Temp 1315 K for O2 given that Cop (J K-1 mol-1) = 25.72 + 12. 98x10-3 T – 38.62 x 10-7 T2

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 123QRT

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Question

For molecular oxygen, S^o₂₉₈ = 205.138 J K^-1 mol^-1. Find S^o at Temp 1315 K for O₂ given that

C^op (J K^-1 mol^-1) = 25.72 + 12. 98x10^-3 T – 38.62 x 10^-7 T²

Note that: del S = S^o final – S^o initial, answer in J K^-1 mol^-1

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