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Showing 1 to 15 of 60 results Save | Export
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Bauer, Christina A.; Hamada, Terianne Y.; Kim, Hyesoo; Johnson, Mathew R.; Voegtle, Matthew J.; Emrick, Matthew S. – Journal of Chemical Education, 2018
Quantum dots (QDs) are useful for demonstrating the particle-in-a-box (PIB) model utilized in quantum chemistry, and can readily be applied to a discussion of both thermodynamics and kinetics in an undergraduate laboratory setting. Modifications of existing synthetic procedures were used to create QDs of different sizes and compositions (CdS…
Descriptors: Science Instruction, College Science, Undergraduate Study, Chemistry
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Bain, Kinsey; Rodriguez, Jon-Marc G.; Towns, Marcy H. – Journal of Chemical Education, 2018
Zero-order systems provide an interesting opportunity for students to think about the underlying mechanism behind the physical phenomena being modeled. The work reported here is part of a larger study that seeks to characterize how students integrate chemistry and mathematics in the context of chemical kinetics. Thirty-six general chemistry…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study
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Miller, Tierney C.; Richardson, John N.; Kegerreis, Jeb S. – Journal of Chemical Education, 2016
This manuscript presents an exercise that utilizes mathematical software to explore Fourier transforms in the context of model quantum mechanical systems, thus providing a deeper mathematical understanding of relevant information often introduced and treated as a "black-box" in analytical chemistry courses. The exercise is given to…
Descriptors: Science Instruction, Mathematics, Computer Software, Educational Technology
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Landolt, R. G. – Journal of Chemical Education, 2007
In collaboration with the Publications Division of the American Chemical Society (ACS), students and faculty at 24 primarily undergraduate institutions were provided online access to ACS primary research journals for a period of 18 months, and a group of eight schools were granted access to use the archives of ACS journals for a year. Resources…
Descriptors: Periodicals, Electronic Libraries, Access to Information, Chemistry
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Srnec, Matthew N.; Upadhyay, Shiv; Madura, Jeffry D. – Journal of Chemical Education, 2017
In undergraduate physical chemistry, Schrödinger's equation is solved for a variety of cases. In doing so, the energies and wave functions of the system can be interpreted to provide connections with the physical system being studied. Solving this equation by hand for a one-dimensional system is a manageable task, but it becomes time-consuming…
Descriptors: Undergraduate Study, College Science, Chemistry, Science Instruction
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Ge, Yingbin – Journal of Chemical Education, 2016
Hands-on exercises are designed for undergraduate physical chemistry students to derive two-dimensional quantum chemistry from scratch for the H atom and H[subscript 2] molecule, both in the ground state and excited states. By reducing the mathematical complexity of the traditional quantum chemistry teaching, these exercises can be completed…
Descriptors: Chemistry, College Science, Undergraduate Study, Hands on Science
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Rittenhouse, Robert C. – Journal of Chemical Education, 2015
The "atoms first" philosophy, adopted by a growing number of General Chemistry textbook authors, places greater emphasis on atomic structure as a key to a deeper understanding of the field of chemistry. A pivotal concept needed to understand the behavior of atoms is the restriction of an atom's energy to specific allowed values. However,…
Descriptors: Science Instruction, Chemistry, Undergraduate Study, College Science
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Hladky, Paul W. – Journal of Chemical Education, 2011
College students encounter a variety of first-order phenomena in their mathematics and science courses. Introductory chemistry textbooks that discuss first-order processes, usually in conjunction with chemical kinetics or radioactive decay, stop at single, discrete dose events. Although single-dose situations are important, multiple-dose events,…
Descriptors: Textbooks, Kinetics, Chemistry, Radiation
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Contreras-Ortega, C.; Bustamante, N.; Guevara, J. L.; Portillo, C.; Kesternich, V. – Journal of Chemical Education, 2007
A general mathematical treatment for chemical systems is described that might help students to better understand the real scope of the mathematical equations. The extent to which an equation acceptably describes a chemical system is determined from the limiting values of practical chemical variables and the concordance value defined by given…
Descriptors: Equations (Mathematics), Chemistry, Science Instruction, College Science
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Schaller, Chris P.; Graham, Kate J.; Johnson, Brian J.; Fazal, M. A.; Jones, T. Nicholas; McIntee, Edward J.; Jakubowski, Henry V. – Journal of Chemical Education, 2014
The recent revision of undergraduate curricular guidelines from the American Chemical Society Committee on Professional Training (ACS-CPT) has generated interest in examining new ways of organizing course sequences both for chemistry majors and for nonmajors. A radical reconstruction of the foundation-level chemistry curriculum is presented in…
Descriptors: Science Instruction, College Science, Undergraduate Study, Science Curriculum
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Darvesh, Katherine V. – Journal of Chemical Education, 2013
The equilibrium between phases is a key concept from the introductory physical chemistry curriculum. Phase diagrams display which phase is the most stable at a given temperature and pressure. If more than one phase has the lowest Gibbs energy, then those phases are in equilibrium under those conditions. An activity designed to demonstrate the…
Descriptors: Science Instruction, College Science, Equations (Mathematics), Graphs
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Junker, Matthew – Journal of Chemical Education, 2010
A classroom exercise is described to introduce enzyme kinetics in an undergraduate biochemistry or chemistry course. The exercise is a simulation in which a student acts as an enzyme that "catalyzes" the unscrewing of a nut from a bolt. With other students assisting, the student enzyme carries out reactions with bolt-nut substrates under different…
Descriptors: Mathematical Models, Kinetics, Biochemistry, Simulation
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Raker, Jeffrey R.; Reisner, Barbara A.; Smith, Sheila R.; Stewart, Joanne L.; Crane, Johanna L.; Pesterfield, Les; Sobel, Sabrina G. – Journal of Chemical Education, 2015
A national survey of inorganic chemists explored the self-reported topics covered in in-depth inorganic chemistry courses at the postsecondary level; an in-depth course is defined by the American Chemical Society's Committee on Professional Training as a course that integrates and covers topics that were introduced in introductory and foundation…
Descriptors: Inorganic Chemistry, National Surveys, College Faculty, Teacher Surveys
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Casselman, Brock L.; Atwood, Charles H. – Journal of Chemical Education, 2017
In a first-semester general chemistry course, metacognitive training was implemented as part of an online homework system. Students completed weekly quizzes and multiple practice tests to regularly assess their abilities on the chemistry principles. Before taking these assessments, students predicted their score, receiving feedback after…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study
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Glover, Sarah R.; Sewry, Joyce D.; Bromley, Candice L.; Davies-Coleman, Michael T.; Hlengwa, Amanda – Journal of Chemical Education, 2013
Education institutions globally are increasingly expected to explore avenues for the implementation of service-learning into their curricula. A second-year undergraduate organic chemistry laboratory experiment, in which the undergraduate students make azo dyes, can provide a vehicle for a service-learning module in which university undergraduate…
Descriptors: Service Learning, Science Instruction, Organic Chemistry, Science Laboratories
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