Problem 16.28 (GO Tutorial) Your answer is partially correct. Try again. For each of the metals listed in the table, compute the Pilling-Bedworth ratio. Also, on the basis of this value, specify whether or not you would expect the oxide scale that forms on the surface to be protective, and then justify your decision. Density data for both the metal and its oxide are also tabulated. Metal Metal Density (g/cm³) Metal Oxide Oxide Density (g/cm³) 6.51 5.89 1.74 3.58 7.13 5.61 (a) Zr (b) Mg (c) Zn (a) 1.49 (b) (c) SHOW HINT GO TUTORIAL ZrO₂ MgO ZnO so the coating is so the coating is not protective so the coating is SHOW SOLUTION protective protective + #

Problem 16.28 (GO Tutorial) Your answer is partially correct. Try again. For each of the metals listed in the table, compute the Pilling-Bedworth ratio. Also, on the basis of this value, specify whether or not you would expect the oxide scale that forms on the surface to be protective, and then justify your decision. Density data for both the metal and its oxide are also tabulated. Metal Metal Density (g/cm³) Metal Oxide Oxide Density (g/cm³) 6.51 5.89 1.74 3.58 7.13 5.61 (a) Zr (b) Mg (c) Zn (a) 1.49 (b) (c) SHOW HINT GO TUTORIAL ZrO₂ MgO ZnO so the coating is so the coating is not protective so the coating is SHOW SOLUTION protective protective + #

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter5: Gases

Section: Chapter Questions

Problem 5.23PAE

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