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de Morais, Camilo de L. M.; Silva, Se´rgio R. B.; Vieira, Davi S.; Lima, Ka´ssio M. G. – Journal of Chemical Education, 2016
The binding constant and stoichiometry ratio for the formation of iron(II)-(1,10-phenanthroline) or iron(II)-o-phenanthroline complexes has been determined by a combination of a low-cost analytical method using a smartphone and a molecular modeling method as a laboratory experiment designed for analytical and physical chemistry courses. Intensity…
Descriptors: Stoichiometry, Chemistry, Laboratory Experiments, Integrated Activities
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Levine, Lauren A.; Junker, Matthew; Stark, Myranda; Greenleaf, Dustin – Journal of Chemical Education, 2015
A simple and economical experimental setup is described that enables multiple individuals or groups within a laboratory class to measure the thermal melting of double stranded DNA simultaneously. The setup utilizes a basic spectrophotometer capable of measuring absorbance at 260 nm, UV plastic cuvettes, and a stirring hot plate. Students measure…
Descriptors: Laboratory Experiments, Science Activities, Genetics, Large Group Instruction
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Flener-Lovitt, Charity – Journal of Chemical Education, 2014
A thematic course called "Climate Change: Chemistry and Controversy" was developed for upper-level non-STEM students. This course used the socioscientific context of climate change to teach chemical principles and the nature of science. Students used principles of agnotology (direct study of misinformation) to debunk climate change…
Descriptors: Science Instruction, College Science, Undergraduate Study, Teaching Methods