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Showing 1 to 15 of 74 results Save | Export
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Limpanuparb, Taweetham; Kanithasevi, Siradanai; Lojanarungsiri, Maytouch; Pakwilaikiat, Puh – Journal of Chemical Education, 2019
We discuss the use of a simple piece of equipment made of a 50 mL syringe attached to a 2 mL graduated pipet to demonstrate Boyle's law and Charles's law. A plot of the hydrostatic pressure against the reciprocal of the volume of the gas read from the equipment is linear as discussed in the paper and gives the atmospheric pressure at the…
Descriptors: Science Instruction, Science Experiments, Science Laboratories, Laboratory Experiments
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Wiggins, Marcie B.; Heath, Emma; Alcántara-García, Jocelyn – Journal of Chemical Education, 2019
The interface of art and science provides a broad range of educational and collaborative projects at various learning stages. Therefore, the use of historic artists' materials for teaching chemistry is receiving more attention. We prepared and used copper acetate (verdigris pigment) for a series of interconnected, lab-based activities, which can…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study
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Dean, Natalie L.; Ewan, Corrina; Braden, Douglas; McIndoe, J. Scott – Journal of Chemical Education, 2019
Comprehension of the 3D structure of objects usually represented in 2D is a critical part of understanding molecular geometries. The frequency with which students actually get hands-on with 3D molecular structures is often limited to a singular laboratory session. We sought to develop a set of molecular shapes that were inexpensive enough not only…
Descriptors: Science Instruction, Chemistry, Molecular Structure, Science Laboratories
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Stankus, Brian; White, Rosemary; Abrams, Binyomin – Journal of Chemical Education, 2019
Chromatography is a ubiquitous technique in analytical chemistry, and high-performance liquid chromatography (HPLC) is the industry standard for quantitation of components in solution mixtures. However, demonstrating the principles of liquid chromatography to undergraduates via HPLC-based experiments often proves ineffective because of the fully…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study
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Hofmann, Andreas; Coster, Mark J.; Taylor, Paul – Journal of Chemical Education, 2019
The interactive generation of chemical-structure diagrams is an integral activity in the study of chemistry as well as in professional chemistry environments. For educational purposes in particular, the existence of suitable software tools free of charge is of great importance. Although a number of free chemical-drawing applications are currently…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science
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Spencer, Roxanne P.; Liang, Yingyi – Journal of Chemical Education, 2019
Incorporating research activities at the secondary-school level is an effective method to teach science; however, students and teachers may feel intimidated when trying to identify a suitable research topic. Ideas may be obtained from short articles in periodicals or newspapers to allow students to design their own experiments and interpret data.…
Descriptors: Science Instruction, College Science, Secondary School Science, High Schools
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Koh, Sam Boon Kiat; Fung, Fun Man – Journal of Chemical Education, 2018
A mobile application game has been adapted to teach students about laboratory instruments, glassware, apparatus, and techniques. The game was designed with reference to a popular icebreaker game, "Charades!", to ensure that it was easily accessible to students. Students will hold a mobile phone just above their forehead, which will then…
Descriptors: Science Instruction, Science Laboratories, Laboratory Equipment, Telecommunications
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Mac Fhionnlaoich, Niamh; Ibsen, Stuart; Serrano, Luis A.; Taylor, Alaric; Qi, Runzhang; Guldin, Stefan – Journal of Chemical Education, 2018
Thin-layer chromatography (TLC) is one of the basic analytical procedures in chemistry and allows the demonstration of various chemical principles in an educational setting. An often-overlooked aspect of TLC is the capability to quantify isolated target compounds in an unknown sample. Here, we present a suitable route to implement quantitative…
Descriptors: Science Instruction, Chemistry, College Science, Undergraduate Study
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Bopegedera, A. M. R. P.; Perera, K. Nishanthi R. – Journal of Chemical Education, 2017
Coffee cup calorimetry, performed with calorimeters made with styrofoam coffee cups, is a familiar experiment in the general chemistry laboratory. These calorimeters are inexpensive, easy to use, and provide good insulation for most thermodynamics experiments. This paper presents the successful substitution of paper coffee cups for styrofoam cups…
Descriptors: Science Instruction, Heat, Metallurgy, Thermodynamics
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Furlan, Ping Y.; Fisher, Adam J.; Melcer, Michael E.; Furlan, Alexander Y.; Warren, John B. – Journal of Chemical Education, 2017
We describe a 2 h introductory laboratory procedure that prepares a novel magnetic antimicrobial activated carbon nanocomposite in which nanoscale sized magnetite and silver particles are incorporated (MACAg). The MACAg nanocomposite has achieved the synergistic properties derived from its components and demonstrated its applicability as an…
Descriptors: Science Laboratories, College Science, Secondary School Science, High Schools
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Bonjour, Jessica L.; Hass, Alisa L.; Pollock, David W.; Huebner, Aaron; Frost, John A. – Journal of Chemical Education, 2017
Development of benchtop, portable Fourier transform nuclear magnetic resonance (NMR) and infrared (IR) spectrometers has opened up opportunities for creating university-high school partnerships that provide high school students with hands-on experience with NMR and IR instruments. With recent changes to the international baccalaureate chemistry…
Descriptors: Organic Chemistry, Spectroscopy, Measurement Equipment, Science Education
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Almendro Vedia, Víctor G.; Natale, Paolo; Chen, Su; Monroy, Francisco; Rosilio, Veronique; López-Montero, Ivan – Journal of Chemical Education, 2017
Since the first report of electroformed micrometer-sized liposomes in the 1980s, giant unilamellar vesicles (GUVs) have generated a lot of interest in the biophysical and biochemical communities. However, their penetration rate in high school or at the undergraduate level is still limited because of the requirement of specialized materials for…
Descriptors: Science Instruction, Telecommunications, Handheld Devices, Teaching Methods
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Gee, Clifford T.; Kehoe, Eric; Pomerantz, William C. K.; Penn, R. Lee – Journal of Chemical Education, 2017
Proteins are involved in nearly every biological process, which makes them of interest to a range of scientists. Previous work has shown that hand-held cameras can be used to determine the concentration of colored analytes in solution, and this paper extends the approach to reactions involving a color change in order to quantify protein…
Descriptors: Chemistry, Science Instruction, High Schools, Secondary School Science
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Kitabayashi, Suguru; Nakano, Masayoshi; Nishikawa, Kazuyuki; Koga, Nobuyoshi – Journal of Chemical Education, 2016
A laboratory exercise for the education of students about thermal runaway reactions based on the reaction between aluminum and hydrochloric acid as a model reaction is proposed. In the introductory part of the exercise, the induction period and subsequent thermal runaway behavior are evaluated via a simple observation of hydrogen gas evolution and…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Thermodynamics
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Zakrzewski, Robert; Skowron, Monika; Ciesielski, Witold; Rembisz, Zaneta – Journal of Chemical Education, 2016
The laboratory experiment challenges students to determine 6-propyl-2-thiouracil (PTU) based on Prussian blue complex formation. Prussian blue is formed by ferricyanide and Fe(II) ions which are generated in situ from Fe(III) ions reduced by PTU. The absorbance of this product was measured at a wavelength of 840 nm, after a reaction time of 30…
Descriptors: Science Instruction, Science Laboratories, Science Experiments, Laboratory Experiments
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