A 1 cm diameter spherical pellet of a strongly basic oxide is held at the center of a closed vessel of 5-liter volume. Initially the vessel is evacuated and then filled with an equimolar mixture of H₂S and N₂ at 25 °C and 1 atm total pressure. As the molecules of H₂S reach the surface of the pellet, they get absorbed instantaneously so that the concentration of H₂S at the surface remains zero at all time. Diffusion of H₂S occurs through a stagnant film of estimated thickness of 4 mm surrounding the pellet. The bulk of the gas may be assumed to have a uniform composition at any time. Calculate the time of absorption of 95% of H₂S in nitrogen is 1.73x105 m²/s at this temperature and 1 atm pressure.

A 1 cm diameter spherical pellet of a strongly basic oxide is held at the center of a closed vessel of 5-liter volume. Initially the vessel is evacuated and then filled with an equimolar mixture of H₂S and N₂ at 25 °C and 1 atm total pressure. As the molecules of H₂S reach the surface of the pellet, they get absorbed instantaneously so that the concentration of H₂S at the surface remains zero at all time. Diffusion of H₂S occurs through a stagnant film of estimated thickness of 4 mm surrounding the pellet. The bulk of the gas may be assumed to have a uniform composition at any time. Calculate the time of absorption of 95% of H₂S in nitrogen is 1.73x105 m²/s at this temperature and 1 atm pressure.

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

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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