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Articles 1 - 5 of 5
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A Study Of The Kinetics Of A Reaction Between Vo(Hedta)-1 And Hydrogen Peroxide, Elaina B. Campbell
A Study Of The Kinetics Of A Reaction Between Vo(Hedta)-1 And Hydrogen Peroxide, Elaina B. Campbell
Undergraduate Honors Theses
Vanadium is commonly used as an agent to make tools rust-resistant. As a transition metal, it can be used as a catalyst due to its ability to change oxidation states. VO(HEDTA)-1, a complex of the vanadyl ion, VO2+ and HEDTA (N-(2-Hydroxyethyl)ethylenediamine-N,N’,N’-triacetic acid) was readily formed. This complex containing vanadium in the +4 oxidation state was reacted with hydrogen peroxide to form a vanadate complex. This vanadate complex was formed as a first step in simulating the vanadate(V)-dependent haloperoxidases in marine algae, a yet uncharacterized reaction. Electron absorption spectroscopy (UV-Vis) was used to observe the oxidation of V(IV) …
Chemically Accurate Calculations Of Rate Constants Of Spin Trap-Hydroxyl Radical Addition Reactions, Hayden B. Short
Chemically Accurate Calculations Of Rate Constants Of Spin Trap-Hydroxyl Radical Addition Reactions, Hayden B. Short
Undergraduate Honors Theses
The DMPO type spin trap 5,5-Dimethyl-1-pyrroline N-oxide (DMPO) and the exceptionally similar spin trap 2-ethoxycarbonyl-2-methyl-3,4-dihydro-2H-pyrrole-l-oxide (EMPO) are widely studied in computational and theoretical works. This particular study examines the addition reactions that both these molecules undergo with the carcinogenic hydroxyl radical. This work used a relatively new approximation method, called the correlation consistent composite approach or ccCA, for carrying out quantum mechanical calculations to give the free energies of the products and reactants of the reactions. The free energies are to be used to extrapolate the rate constants of the reactions from the Arrhenius equation. Though both the spin traps …
Synthesis Of Diazonium Perfluoroalkyl(Aryl) Sufonimide (Pfsi) Zwitterions For Solid Acid Alkylation Catalysts, Husan Ahmad
Synthesis Of Diazonium Perfluoroalkyl(Aryl) Sufonimide (Pfsi) Zwitterions For Solid Acid Alkylation Catalysts, Husan Ahmad
Undergraduate Honors Theses
The final objective of this project is to create an environmentally friendly solid alkylation catalyst to replace the commercially available liquid acid catalysts, such as hydrofluoric acid and sulfuric acid, which are used in the petroleum industry. My research target is to synthesize the diazonium PFSI zwitterions, which can be chemically grafted on the silica as the solid alkylation catalyst. A 4-steps synthesis is designed to prepare the diazonium PFSI zwitterions. The first two steps were successfully completed in the lab. The first one is to prepare the starting material of 4-nitrobenzenesulfonamide from an ammonolysis reaction between 4-nitrobenzene sulfonyl chloride …
Investigation Of The Chemical Protection Capacity Of Common Shoe Materials In Undergraduate Laboratories, Sarah E. Lawson
Investigation Of The Chemical Protection Capacity Of Common Shoe Materials In Undergraduate Laboratories, Sarah E. Lawson
Undergraduate Honors Theses
The objective of this study was to evaluate the chemical resistance of common shoe materials regularly worn in undergraduate chemistry laboratories by subjecting the materials to hydrochloric acid and sodium hydroxide. The materials tested were leather, canvas cotton, and polyester. Due to the lack of restriction on undergraduate laboratory footwear, the research discussed in this thesis is important to undergraduate universities. Currently, many universities across the nation only require undergraduate students to wear close-toed, close-heeled shoes in chemistry laboratories, and often the resistance of the shoe material to acids and bases may not be taken into careful consideration. Overall, the …
Synthesis And Characterization Of Rhodium Acetate With Functionalized Benzonitriles, Jared M. Lowe
Synthesis And Characterization Of Rhodium Acetate With Functionalized Benzonitriles, Jared M. Lowe
Undergraduate Honors Theses
Dirhodium complexes are effective catalysts in carbene transformations. These reactions involve chemistry between the catalyst and a carbene generated in situ. In order to better understand the rhodium-carbon bond, studies of rhodium acetate, Rh2(OAc)4, and a variety of functionalized benzonitriles were proposed. Diadducts of rhodium acetate with 4-nitrobenzonitrile, 4-aminobenzonitrile, 4-(dimethylamino)benzonitrile, and 3,5-dinitrobenzonitrile were successfully prepared and characterized by X-ray crystallography. IR and NMR spectroscopy were also employed for characterization purposes.