Teaching Electrochemistry in the General Chemistry Laboratory through Corrosion Exercises

被引：16

作者：

Sanders, Richard W. ^{[1
]}

Crettol, Gregory L. ^{[1
]}

Brown, Joseph D. ^{[1
]}

Plummer, Patrick T. ^{[1
]}

Schendorf, Tara M. ^{[1
]}

Oliphant, Alex ^{[1
]}

Swithenbank, Susan B. ^{[2
]}

Ferrante, Robert F. ^{[3
]}

Gray, Joshua P. ^{[1
]}

机构：

[1] US Coast Guard Acad, Dept Sci, New London, CT 06320 USA

[2] MIT, Dept Mech Engn, Cambridge, MA 02139 USA

[3] US Naval Acad, Dept Chem, Annapolis, MD 21402 USA

来源：

JOURNAL OF CHEMICAL EDUCATION | 2018年 / 95卷 / 05期

关键词：

First-Year Undergraduate/General; Laboratory Instruction; Hands-On Learning/Manipulatives; Electrochemistry; Electrolytic/Galvanic Cells/Potentials; AQUEOUS-MEDIA; CELLS; EDUCATION; IRON;

D O I：

10.1021/acs.jchemed.7b00416

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrochemistry is primarily taught in first-year undergraduate courses through batteries; this lab focuses instead on corrosion to apply electrochemical concepts of electrolytes, standard reduction potentials, galvanic cells, and other chemistry concepts including Le Chatelier's Principle and Henry's Law. Students investigate galvanic corrosion under neutral and acidic conditions quantitatively by measuring voltage, amperage, and mass loss and qualitatively using phenolphthalein. They also investigate protection against corrosion through the use of sacrificial anodes and impressed current cathodic protection.

引用

页码：842 / 846

页数：5

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