Biennial Conference on Chemical Education, Abstracts (11Th, Atlanta, Georgia, August 5-9, 1990)

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Biennial Conference on Chemical Education, Abstracts (11Th, Atlanta, Georgia, August 5-9, 1990) DOCUMENT RESUME ED 324 245 SE 051 637 TITLE Biennial Conference on Chemical Education, Abstracts (11th, Atlanta, Georgia, August 5-9, 1990). INSTITUTION American Chemical-Society, Washington, DC. Div. of Chemical Education.; Georgia Inst. of Tech., Atlanta. School of Chemistry and Biochemistry. PUB DATE 90 NOTE 220p.; Contains some light and broken type which may not reproduce well. PUB TYPE Collected Works - Conference Proceedings (021) EDRS PRICE MFC1/PC09 Plus Postage. DESCRIPTORS Abstracts; *Chemistry; *Coll-ge Science; Higher Education; High Schools; Laboratory Safety; Science Education; *Secondary School Science IDENTIFIERS *Microscale Chemistry ABC fRACT This publication includes more than 470 abstracts of papers scheduled to be presented at a chemical education conference. Topics of the papers include: (1) human impact on the environment; (2) technology; (3) forensic science; (4) paper chemistry; (5) computer interfacing, software, videodisc and graphics; (6) faculty enhancement programs; (7) textbook reviews; (8) courses for non-majors; (9) problem solving; (10) instrumentation; (11) acquired immune deficiency syndrome drugs; (12) plastics and polymers; (13) recruitment of chemistry majcrs; (14) nuclear and radiochemistry; (15) teaching mthods in organic and inorganic chemistry; (16) advanced placement chemistry perspectives; (17) microscale laboratories; (18) microscopy; (19) cultural diversity in chemistry; (20) demonstrations; (21) teaching high school chemistry; (22) geochemistry; (23) science education research; (24) cosmic chemistry; (25) museums; (26) mIddle/high school teacher education; and (27) learning styles and misconceptions. The conference program is included; papers are numbered in sequence as they are listed in the program. Each entry contains the title of the paper, author's name and mailing address along with a one-paragraph abstract. An author index is included. (KR) ***************************A***t***************************2**********f * Reproductions supplied by EDRS are the best thacan be made * * from the original document. * ***************************************************************R******* ilth Biennial Conference on rChemical Education August 5-9, 1990 Atlanta, Georgia ABSTRACTS "PERMISSION TO REPRODUCE THIS MATERIAL l4AS BEEN GRANTED BY Edward K. Mellon FT.aoTHE EDUCATIONAL RESOURCES .INFORMATION CENTER (ERIC).- U.S. DEPARTMENT OF EDUCATION Orbce Ct Et:ocean& Research andbrorewrent EDUCATIONAL RESOURCESINFORMATION CENTER (ERIC) g":""Thrs Warmed has been reproduced as recesred trom the Person orwpm:abort ongtnahngIt made to enecoee C Melee ermines nave been reoroducbon welds Pants ot we. cc cantons statedIn tilts doe's- represent orboat meet do not necessanry CERI postbon or poacy tar 1_ Sponsored By: Georgia Institute of Technology. School of Chemistry and Biochemistry American Chemical Society Division of LChemical Education Two-Year College Chemistry Committee 2YC3 Chairpersons General Chair High Schocl Chair Toby F. Block Penney Sconzo School of Chemistry and Biochemistry The Westminster Schools Georgia Institute of Technolog 1424 W. Paces Ferry Road, N.W. Atlanta, GA 30332-0400 Atlanta, GA 30327 Program Co-Chairs 2YC3 Chair Edward K. Mellon, Jr. Leo J. Kling Department of Chemistry Depa-tment of Chemistry The Florida State TJniversity Faulkner Street Junior College Tallahassee, FL 32306-3006 Bay Minette, AL 36507 Elizabeth J. Pulliam Local Computer Coordinators Department of Chemistry Gerald E. O'Brien The Florida State University School of Chemistry and Biochemistry Tallahassee, FL 32306-3006 Georgia Institute of Technolog Atlanta, GA 30332-0400 Publicity Chair Lawrence A. Bottom ley G. Scott Owen School of Chemistry and Biochemistry Department of Mathematics and Georgia Institute of Technology Computer Science Atlanta, GA 30332-0400 Georgia State University Atlanta, GA 30303 Treasurer Henry M. Neumann Accompanying Persons Program Chair Scriool of Chemistry and Biochemistry Delores M. Bowers-Komro Georgia Institute of Technology Department of Biochemistry Atlanta, GA 30332-0400 Emory University Atlanta, GA 30322 Exhibits Chair Wendall H. Cross Georgia Tech Conference Coordinator 3chool of Civil Engineering Bettye J. Parker Georgia Institute of Technology Education Extension Services Atlanta, GA 30332-0355 Georgia Institute of Technology Atlanta, GA 30332-0385 Middle School Chair Ralph L. Buice, Jr. Fernbank Science Center 156 Heaton Park Diive, N.E. At lan:a, GA 30307 11th Biennial Conference on Chemical Education August 5-9, 1990 Additions and Corrections to Abstracts and Index The following index entry should be corrected: Baum, S. J. 465 The following papers have been withdrawn since printing deadlines: 052 Baker, Pribush 337 Warnock, Bent 123 Averill 348 Rbsenffld,VanDyke 145 Akeroyd 364 Shaner 274 Feldman 375 Baker 275 Akeroyd :181 Flath 280 Shaner 392 Chabay,Ullensvang 300 Escalera 448 Flath The following abstracts have been added to the program since printing deadlines: 479 Black, Kersey A. 480 Borgford, Christie; Key, Mary Beth; Marsden, Alan; Waddington, David. 481 Bernier, U. R.; Williams, K. R. 482 Tornquist, Wade. 483 Kapuscinski, B. P. 484 Spencer, Bertrand; Zare, Richard. 485 Hildenbrandt, Jan; Mitchell, Donald J.; Spicher, Thomas A. MICROCOMPUTER INSTRUCTION IN PROTON NMR SPECTRA INTERPRETATION. Kersey A. 479 Blaak, Joint Science Center, Claremont McKenna, Scripps and Pitzer Colleges, Claremont, California 91711. Proton NMR spectroscopy is the mainstay of organic qualitative analysis, and as such receives considerable attention in introductory organic chemistry courses. Software has been developed which helps exercise the users ability to :orrelate proton NMR spectra with molecular structure. The user can design and create organic structures on the screen of a MacintoshT14 microcomputer using the mouse to select from a palette af molecular pieces. Alkanes, alkenes, aromatics, halides, alcohols, ethers, ketones, aldehydes, acids, esters, amines, and amides can all be easily constructed in this manner. The program then generates a simulated proton NMR spectrum using empirically based rules for chemical shift calculation and assignment of coupling constants. Any of several common Lield strengths are possible, and the spectrum can be expanded, scrolled, and integrated. Correlations between protons and signals in the spectrum can be revealed, along with a "splitting tree" showing the results of spin-spin coupling for a particular signal. Files of compounds can be created and stored on disk such that the structure can be either "known" or "unknown" to the user. The simulation provides a spectrum reflecting first- and some second-order effects. Multiple spectra can be displayed in separate windows. v r.. CONTEXT:SCIENCE TEACHING IN ENGLAND.David Waddington, Alan Marsden, Christie BorRford, Marm Beth Kem, University of York, Dept. of Chemistry, University of York, Science Education Group, Heslington, York, YOl 5DD, England Teaching materials produced by teams of classroom teachers, chemists and science educators in England are activity and lab-based and tied to the context of the real world. Student and teacher interest is high when experiencing such science as percent water in "slimmers" margarine, making alloys for special uses and designing appropriate symbols for vehicles transporting chemicals. Advanced-level chemistry concepts arise I from real-world problems. Criteria are tied to the British National Curriculum and materials are presented as lesson designs with ready to use student activity guides. material originated with funding from the Salters' Foundation and, thus, is known as I Salters' Chemistry and Salters' Science. I POLYMER END-GROUP ANALYSIS IN THE QUANTITATIVE ANALYSIS I 481 LABORATORY. K. R. Williams and U. R. Bernier, Department of Chemistry, I University of Florida, Gainesville, FL 32611-2046. Beginning analytical laboratory students are introduced to the concept of number-average molecular weight via an experiment on end-group analysis of poly(ethylene glycol). The hydroxyl I groups are esterified by reaction with a known excess of 1,2,4,5-benzenetetracarboxylic dianhydride (pyromellitic dianhydride, PMDA) in DMF using imidazole (IMDA) as the catalyst'. Af*.er the reaction the remaining anhydride is hydrolyzed and the carboxylic acid residues are I titrated with standard base. The esterification reaction is complete in about 30 minutes at room temperature, and the subsequent hydrolysis is very rapid. There is a problem in some samples with precipitation of the salt of PMDA aad IMDA, and methods to avoid this side-reaction are I being investigated. Student results for several molecular weight distributions will be summarized in the oral presentation. I 'Kingston, B. H. M.; Garey, J. J.; Hellwig, W. B. Anai. Chem. 1969, 41, 86. I 482 USING HPLC IN INSTRUMENTAL ANALYSIS. Wade Tornquist, Department of Chemistry. I Eastern Michigan University, Ypsilanti. MI 48197. IHPLC simulates a binary gradient high-performance liquid chromatography instrument an d includes sophisticated modeling of reversed-phase column behavior. The modeling provides realistic chromatographic output over a broad range of operating conditions. The program has been rased as a pre-laboratory exercise for students who will later be using the real instrument, and also o extend the range of experience available to students after they have interacted with the real instrument. In particular the program's computer data station provides better data analysis than msto teaching instruments
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