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A. M. Ranjika P. Bopegedera – Journal of Chemical Education, 2023
Calorimetry is a central concept in the first semester general chemistry curriculum, and constant pressure (coffee-cup) calorimetry is a common experiment in the laboratory. However, constant volume (bomb) calorimetry is traditionally reserved for the physical chemistry laboratory. This article describes the advantages of incorporating bomb…
Descriptors: Chemistry, Science Instruction, Science Experiments, Laboratory Experiments
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Maksim Dolmat; Veronika Kozlovskaya; Eugenia Kharlampieva – Journal of Chemical Education, 2023
The essential component of expanding an undergraduate curriculum is the inclusion of lab experiments in nanoscience and nanomaterials, which significantly impact health and the environment through their use in food, cosmetics, agriculture, and medicine. We designed a laboratory experiment based on the atomic force microscopy (AFM) analysis of the…
Descriptors: Science Instruction, College Science, Undergraduate Students, Science Laboratories
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Ani Nvehr Davis; Stephan Georgiev Michaelov; Clayton Joshua Rogers; Leighann Rose Weber; Brycelyn Marie Boardman; Gretchen Marie Peters – Journal of Chemical Education, 2022
Polymer chemistry is an important subject in the undergraduate chemistry curriculum. It is required for ACS-certified degrees and significantly connects to real world issues like the plastic waste crisis. While some concepts of polymer chemistry can be incorporated into lecture courses, students' understanding of material properties and…
Descriptors: Chemistry, Plastics, Undergraduate Study, College Science
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Gormong, Ethan A.; Wentzel, Michael T.; Cao, Boen; Kundel, Laura N.; Reineke, Theresa M.; Wissinger, Jane E. – Journal of Chemical Education, 2021
Polymerization reaction media can have a profound effect on the physical properties of the resultant polymer. This phenomenon is showcased in a new experiment for the organic chemistry and polymer science teaching laboratories wherein the radical copolymerization of biobased [beta]-myrcene and dibutyl itaconate is performed using a nonhazardous…
Descriptors: Science Instruction, Organic Chemistry, Plastics, Science Experiments
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Qianfu Luo; Chenyu Shi; Zhaoxia Wang; Meng Chen; Da-Hui Qu – Journal of Chemical Education, 2022
Given the importance of self-healing polymers for chemistry education, herein, we introduce our latest research results in self-healing materials based on thioctic acid into undergraduate chemistry laboratory. In this experiment, a natural small molecule, thioctic acid (TA), and a few other commercially-available reagents have been used to make a…
Descriptors: Chemistry, Plastics, Undergraduate Study, College Science
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Allred, Ashley; Holland, Joseph S.; Shupert, Avery G.; Konzelman, Jim; Huddleston, N. Eric – Journal of Chemical Education, 2020
A laboratory exercise for the synthesis of a sulfonated styrene-"co"-maleic anhydride polymer and its application as a stain blocker on nylon-6,10, is described. The effectiveness of the sulfonated polymer to prevent the conjugate base of an acid dye from staining the polyamide is demonstrated. This experiment is designed for…
Descriptors: College Science, Science Instruction, Undergraduate Study, Organic Chemistry
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Wanamaker, Carolyn L.; Neff, Brittany S.; Nejati-Namin, Azieta; Spatenka, Erin R.; Yang, Mong-Lin – Journal of Chemical Education, 2019
The importance of understanding factors that contribute to surface wettability is highlighted in this new organic chemistry laboratory experiment, which aims to introduce the application of organic chemistry at the interface of polymer chemistry and material science. Polydimethylsiloxane (PDMS), a hydrophobic silicon-based rubber, is polymerized…
Descriptors: Organic Chemistry, Science Instruction, College Science, Undergraduate Study