A sheet of zinc (Zn) that is 4 cm wide by 10 cm long is placed in an hydrochloric acid solution (HCI). The initial thickness of the zinc sheet is 3 cm, and the corrosion current measured on the surface is 9.8x 10-3 amperes (C/s). What is the thickness of the plate (in cm) after 45 weeks? ou may assume that the corrosion occurs on only one side of the sheet.
A sheet of zinc (Zn) that is 4 cm wide by 10 cm long is placed in an hydrochloric acid solution (HCI). The initial thickness of the zinc sheet is 3 cm, and the corrosion current measured on the surface is 9.8x 10-3 amperes (C/s). What is the thickness of the plate (in cm) after 45 weeks? ou may assume that the corrosion occurs on only one side of the sheet.
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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Transcribed Image Text:One of the disadvantages of using an Ashby plot for material selection is that ......
Select one:
a. it is sensitive to the weighting factors.
it can be used for non-quantitative properties.
it can compare materials only based on two properties.
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Transcribed Image Text:A sheet of zinc (Zn) that is 4 cm wide by 10 cm long is placed in an hydrochloric acid solution (HCI). The initial
thickness of the zinc sheet is 3 cm, and the corrosion current measured on the surface is 9.8x10-3 amperes (C/s).
What is the thickness of the plate (in cm) after 45 weeks?
You may assume that the corrosion occurs on only one side of the sheet.
Express your answer as 3 significant figures.
Hint: Convert time to seconds.
Atomic mass of zinc: 65.38 g/mol
ensity of zinc: 7.13 g/cm³
raday's constant: 96,500 C/mol
er:
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