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One method for protecting metals against corrosion is to connect the metal directly to a "sacrificial anode". This is the method used to protect pipelines and ships hulls. Which of the following metals would you consider the best candidate for a sacrificial anode for a ship's hull? The hull is steel (which is mostly iron).
On Capillary Rise and NucleationR. Prasad A comparison of capillary rise and nucleation shows that both phenomena result from a balance between two competing energy factors: a volume energy and a surface energy. This comparison may help to introduce nucleation with capillary rise, a topic familiar to students. Prasad, R. J. Chem. Educ.2008, 85, 1389.
Liquids |
Materials Science |
Metallurgy |
Solids
Forecasting Periodic Trends: A Semester-Long Team Exercise for Nonscience MajorsJohn Tierney Teams of students in a course for nonscience majors identify trends among the properties of elements in the periodic table, use Excel to plot and produce best-fit equations to describe relationships among those properties, and apply the resulting formulas to predict and justify the properties of missing elements. Tierney, John. J. Chem. Educ.2008, 85, 1215.
Atomic Properties / Structure |
Computational Chemistry |
Main-Group Elements |
Nonmetals |
Periodicity / Periodic Table |
Metals |
Student-Centered Learning
Sampling the Soils Around a Residence Containing Lead-Based Paints: An X-ray Fluorescence ExperimentSteven J. Bachofer A soil sampling experiment using field portable instruments was conducted at a pre-1950 construction known to have lead-based paint. Students collected data following regulatory protocols at multiple locations within and outside of the house's dripline, reported their results, and provided the owner advice on methods to minimize contact with contaminated soil. Bachofer, Steven J. J. Chem. Educ.2008, 85, 980.
Precious Metals Volume 03, issue 24 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Geochemistry |
Metallurgy
BeneficiationEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Metallurgy |
Metals
Copper, Brass, Bronze Volume 03, issue 25 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
