For the reaction 2SO3(g) ⇌ 2SO2(g) + O2(g), ΔH° = 46,980 cal/mol and ΔG° = 33,460 cal/mol at 25°C. Assuming ΔH° to be independent of temperature, calculate (a) ΔG°, and (b) the degree of dissociation, a, of SO3(g) at 600 K and 0.5 atm total pressure.

For the reaction 2SO3(g) ⇌ 2SO2(g) + O2(g), ΔH° = 46,980 cal/mol and ΔG° = 33,460 cal/mol at 25°C. Assuming ΔH° to be independent of temperature, calculate (a) ΔG°, and (b) the degree of dissociation, a, of SO3(g) at 600 K and 0.5 atm total pressure.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter16: Spontaneity Of Reaction

Section: Chapter Questions

Problem 62QAP: Consider the reaction NH4+(aq) H+(aq)+NH3(aq) Use G f for NH3(aq) at 25C=26.7 kJ/mol and the...

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Question

For the reaction 2SO_3(g) ⇌ 2SO_2(g) + O_2(g), ΔH° = 46,980 cal/mol and ΔG° = 33,460 cal/mol at 25°C. Assuming ΔH° to be independent of temperature,
calculate (a) ΔG°, and (b) the degree of dissociation, a, of SO_3(g) at 600 K and
0.5 atm total pressure.

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