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Monica Soma Hensley; Nikita L. Burrows; Andrew J. Galerneau; Amanda P. Bekkala; Kedmon N. Hungwe – Journal of Chemical Education, 2024
The American Chemical Society advocates a shift from rule-based to risk-based safety education for chemistry graduates, emphasizing meaningful student engagement in the risk assessment process for laboratory work. To implement this paradigm shift, we introduced RAMP (Recognize Hazards, Assess Risk, Minimize Risk, and Prevent Emergencies)-based…
Descriptors: Organic Chemistry, Laboratory Training, Safety Education, Science Laboratories
Andrea D. Merry; John A. Means; Tim E. Hall – Journal of Chemical Education, 2024
In this laboratory activity, students were tasked with determining the heat of combustion for each of three common sugar substitutes: saccharin, aspartame, and sucralose. The heats of combustion were determined via three different methods: bomb calorimetry, heats of formation derived from semiempirical calculations, and tabulated average bond…
Descriptors: Science Instruction, Science Laboratories, Laboratory Experiments, Equipment