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Articles 1 - 15 of 15
Full-Text Articles in Physical Chemistry
Physical And Chemical Changes Lesson Plan, Admin Stem For Success
Physical And Chemical Changes Lesson Plan, Admin Stem For Success
STEM for Success Showcase
Lesson plan and video for an activity on the difference between physical and chemical changes.
National Chemistry Week: From Irl To The Web, Ilayda Kelley, Daniela Mesa Sanchez
National Chemistry Week: From Irl To The Web, Ilayda Kelley, Daniela Mesa Sanchez
Purdue Journal of Service-Learning and International Engagement
National Chemistry Week, an outreach program initiated by the American Chemical Society (ACS), encourages scientists to bring their love of chemistry to their community. Celebrated nationwide, ACS invites businesses, schools, and individuals to organize and participate in community events to promote the value of chemistry in everyday life. The Purdue graduate student chapter of Iota Sigma Pi, a national honor society for women in chemistry, annually organizes one such celebration. On a normal year, this event is a large logistical undertaking in which 100+ volunteers go directly to over 70 local elementary school classrooms and perform a series of activities …
Visualization Without Vision – How Blind And Visually Impaired Students And Researchers Engage With Molecular Structures, Croix J. Laconsay, Henry B. Wedler, Dean J. Tantillo
Visualization Without Vision – How Blind And Visually Impaired Students And Researchers Engage With Molecular Structures, Croix J. Laconsay, Henry B. Wedler, Dean J. Tantillo
Journal of Science Education for Students with Disabilities
This article examines the tools and techniques currently available that enable blind and visually impaired (BVI) individuals to visualize three-dimensional objects used in learning chemistry concepts. How BVI individuals engage with and visualize molecular structure is discussed and recent tactile (or haptic) and auditory methods for visualization of various chemistry concepts are summarized. Remaining challenges for chemistry education researchers are described with the aim of highlighting the potential value of educational research in further enabling BVI students to pursue careers in science, technology, engineering, and mathematics (STEM) fields.
Using Forensics To Introduce Ir Spectroscopy & Molecular Modeling, Joseph T. Golab
Using Forensics To Introduce Ir Spectroscopy & Molecular Modeling, Joseph T. Golab
Faculty Publications & Research
A student activity is reported that analyzes “medical evidence” with experimental and computational methods. The lesson demonstrates benefits of solving practical problems with integrated tools.
Recycling Aluminum, Steffani Burwitz, Kristin M. Roe, Matthew L. Miller, Madhav P. Nepal, Larry B. Browning, P. Troy White
Recycling Aluminum, Steffani Burwitz, Kristin M. Roe, Matthew L. Miller, Madhav P. Nepal, Larry B. Browning, P. Troy White
Madhav Nepal
Students will investigate and compare the energy cost to produce aluminum products from aluminum ore and recycled aluminum. Students will perform an electrolysis activity to reinforce the idea that recycling metal requires less energy than mining and refining metals from their original source in the earth.
Recycling Aluminum, Steffani Burwitz, Kristin M. Roe, Matthew L. Miller, Madhav P. Nepal, Larry B. Browning, P. Troy White
Recycling Aluminum, Steffani Burwitz, Kristin M. Roe, Matthew L. Miller, Madhav P. Nepal, Larry B. Browning, P. Troy White
iLEARN Teaching Resources
Students will investigate and compare the energy cost to produce aluminum products from aluminum ore and recycled aluminum. Students will perform an electrolysis activity to reinforce the idea that recycling metal requires less energy than mining and refining metals from their original source in the earth.
Structural Behavior Of Nbsexte2-X Superconductors Under High Pressure, Vahe Mkrtchyan
Structural Behavior Of Nbsexte2-X Superconductors Under High Pressure, Vahe Mkrtchyan
UNLV Theses, Dissertations, Professional Papers, and Capstones
Niobium chalcogenide compounds have recently gained a great deal of interest due to the fact that a superconducting phase coexists with the charge density wave state (CDW), as well as their potential for numerous applications. Two superconducting compositions, NbSexTe2-x (x=2, 1.5) were prepared by solid state route using high purity Nb, Se, and Te powders. Powder X-ray diffraction patterns collected at ambient conditions for NbSe2 and NbSe1.5Te0.5 showed a single phase with hexagonal crystal structure, with space group P63mmc. High-pressure X-ray diffraction measurements were performed at the Advanced Photon Source at Argonne National Laboratory to investigate structural stability up to …
Green Chemistry As A Tool For Understanding The Toxic Substances Control Act: A Lecture Module For Undergraduate Students, Molly R. Blessing
Green Chemistry As A Tool For Understanding The Toxic Substances Control Act: A Lecture Module For Undergraduate Students, Molly R. Blessing
Honors Scholar Theses
The Toxic Substances Control Act (TSCA) is the central form of chemical regulation existent in the United States today, yet scientists are often unaware or uncertain of its provisions. Violations of TSCA by unknowing chemists set industry and government unnecessarily at odds. A lecture on TSCA was developed for undergraduate students that uses the concept of green chemistry to promote interest and incentivize learning. Green chemistry methods are cleaner and less wasteful than traditional chemical ones, and many companies using them are at the forefront of technological innovation. The lecture explains both green chemistry and TSCA, includes company case studies, …
Using A Spreadsheet To Solve The SchröDinger Equations For The Energies Of The Ground Electronic State And The Two Lowest Excited States Of H2, Yingbin Ge, Robert C. Rittenhouse, Jacob C. Buchanan, Benjamin Livingston
Using A Spreadsheet To Solve The SchröDinger Equations For The Energies Of The Ground Electronic State And The Two Lowest Excited States Of H2, Yingbin Ge, Robert C. Rittenhouse, Jacob C. Buchanan, Benjamin Livingston
All Faculty Scholarship for the College of the Sciences
We have designed an exercise suitable for a lab or project in an undergraduate physical chemistry course that creates a Microsoft Excel spreadsheet to calculate the energy of the S0 ground electronic state and the S1 and T1 excited states of H2. The spreadsheet calculations circumvent the construction and diagonalization of the Fock matrix and thus can be accomplished by any undergraduate chemistry student with basic calculus skills. The wave functions of the S0, S1, and T1 states of H2 are constructed from the symmetry-adapted bonding and antibonding molecular …
Integrated Mathematica™-Based Physical Chemistry Curriculum: Bringing The Science To The Forefront, Kevin Ausman
Integrated Mathematica™-Based Physical Chemistry Curriculum: Bringing The Science To The Forefront, Kevin Ausman
Kevin D. Ausman
Undergraduate- and graduate-level physical chemistry classes are often so mathematically intensive that they often (a) dissuade qualified students from pursuing the field, (b) require more homework, testing, and grading time be devoted to tracking down hidden mathematical errors than is devoted to working with the subject matter, and (c) limit the complexity, and therefore real-world applicability, of assigned problems. In this talk, the integration of the general-purpose mathematical tool MathematicaTM throughout the second semester of undergraduate physical chemistry will be discussed. Examples provided will demonstrate the feasibility of introducing the MathematicaTM language gradually over the course of the semester, allowing …
Controlling Nanoparticle Dispersion For Nanoscopic Self-Assembly, Nathan S. Starkweather
Controlling Nanoparticle Dispersion For Nanoscopic Self-Assembly, Nathan S. Starkweather
Master's Theses
Nanotechnology is the manipulation of matter and devices on the nanometer scale. Below the critical dimension length of 100nm, materials begin to display vastly different properties than their macro- or micro- scale counterparts. The exotic properties of nanomaterials may trigger the start of a new technological revolution, similar to the electronics revolution of the late 20th century. Current applications of nanotechnology primarily make use of nanoparticles in bulk, often being made into composites or mixtures. While these materials have fantastic properties, organization of nano and microstructures of nanoparticles may allow the development of novel devices with many unique properties. …
Excellent Adventures In Global Collaboration, Glenn W. "Max" Mcgee, Aracelys Rios
Excellent Adventures In Global Collaboration, Glenn W. "Max" Mcgee, Aracelys Rios
Glenn W. "Max" McGee
No abstract provided.
Excellent Adventures In Global Collaboration, Glenn W. "Max" Mcgee, Aracelys Rios
Excellent Adventures In Global Collaboration, Glenn W. "Max" Mcgee, Aracelys Rios
Publications & Research
No abstract provided.
Indirect Gravimetric Determination Of Waters Of Hydration, Marina C. Koether
Indirect Gravimetric Determination Of Waters Of Hydration, Marina C. Koether
Faculty and Research Publications
An alternate gravimetric experiment is described that can be employed in the general chemistry or the quantitative analysis laboratory course. The procedure takes less time than conventional methods and introduces students to waters of hydration and indirect determinations.
Constructed Response Answers In A Multiple-Choice Universe, Carl W. David
Constructed Response Answers In A Multiple-Choice Universe, Carl W. David
Chemistry Education Materials
A scheme is introduced which allows computer readable multiple choice forms used in traditional examinations to be employed for constructed response items.