Exercise 9 The pressures of nitrogen required to cause the adsorption of 1 mg of gas on a 1 g sample of graphitized carbon black are 50 Pa at 77 K and 500 Pa at 90 K. Calculate the isosteric enthalpy of adsorption for this surface coverage. [Answer: 10.2 kJ mol-¹]

Exercise 9 The pressures of nitrogen required to cause the adsorption of 1 mg of gas on a 1 g sample of graphitized carbon black are 50 Pa at 77 K and 500 Pa at 90 K. Calculate the isosteric enthalpy of adsorption for this surface coverage. [Answer: 10.2 kJ mol-¹]

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

Chapter1: Chemical Foundations

Section: Chapter Questions

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Question

Exercise 9
The pressures of nitrogen required to cause the adsorption of 1 mg of gas on a 1 g sample
of graphitized carbon black are 50 Pa at 77 K and 500 Pa at 90 K. Calculate the isosteric
enthalpy of adsorption for this surface coverage.
[Answer: 10.2 kJ mol ¹]

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