A Second Look at the Kinetics of the Iron−Oxygen Reaction: Determination of the Total Order Using a Greener Approach
A. M. R. P. Bopegedera (The Evergreen State College, Washington);
J. Chem. Educ., 95, 2018, pp 1897−1899.
Investigating NOx Concentrations on an Urban University Campus Using Passive Air Samplers and UV−Vis Spectroscopy
Cole M. Crosby, Richard A. Maldonado, Ahyun Hong, Ryan L. Caylor, Kristine L. Kuhn, and Matthew E. Wise (Concordia University, Oregon);
J. Chem. Educ., 95, 2018, pp 2023−2027.
Investigating the Clough, Lutz, and Jirgensons Rule for the pH Dependence of Optical Rotation of Amino Acids
Scott Simpson and Alexandra M. Izydorczak (St. Bonaventure University, New York);
J. Chem. Educ., 95, 2018, pp 1872−1874.
Students use a Vernier Chemical Polarimeter and Logger Pro 3 software to determine if lowering the pH on L configuration amino acids causes the molar optical rotation to become more positive.
Buffers in Context: Baby Wipes As a Buffer System
Jon-Marc G. Rodriguez, Sarah Hensiek, Jeanne R. Meyer, Cynthia J. Harwood, and Marcy H. Towns (Purdue University, Indiana);
J. Chem. Educ., 95, 2018, pp 1816−1820.
Unnatural Chemical Biology: Research-Based Laboratory Course Utilizing Genetic Code Expansion
Kelsey M. Kean, Kari van Zee, and Ryan A. Mehl (Oregon State University, Oregon);
J. Chem. Educ., 96, 2019, pp 66−74.
Combining the Maker Movement with Accessibility Needs in an Undergraduate Laboratory: A Cost-Effective Text-to-Speech Multipurpose, Universal Chemistry Sensor Hub (MUCSH) for Students with Disabilities
Ronald Soong, Kyle Agmata, Tina Doyle, Amy Jenne, Tony Adamo, and Andre Simpson (University of Toronto, Ontario);
J. Chem. Educ., 95, 2018, pp 2268−2272.
Demonstration Extensions Based on Color-Changing Goldenrod Paper
Donald K. Schorr and Dean J. Campbell (Bradley University, Illinois);
J. Chem. Educ., [Online early access], DOI: 10.1021/acs.jchemed.8b00341, Published Online: Dec 5, 2018, https://pubs.acs.org/doi/10.1021/acs.jchemed.8b00341 (accessed Feb 8, 2019).
The authors use a Vernier UV-VIS Spectrophotometer to examine ultraviolet and visible absorbance spectra from extracts of goldenrod paper.
Modified Siwoloboff−Wiegand Procedure for the Determination of Boiling Points on a Microscale
Timothy L. Troyer, Kristen R. Mounsey, William J. King, Laura M. Givens, Jessica A. Hutton, Melissa Hood Benges, Kindra N. Whitlatch, and Jacob D. Wagoner (Huntington University, Indiana; West Virginia Wesleyan College, West Virginia);
J. Chem. Educ., 95, 2018, pp 1406−1410.
The authors devise a system to determine the boiling points of very small volumes of liquids using a digital hotplate, block of aluminum, Go!Temp temperature probe, and an original LabQuest interface.
Applying Chemistry Knowledge to Code, Construct, and Demonstrate an Arduino−Carbon Dioxide Fountain
Seong-Joo Kang, Hye-Won Yeo, and Jihyun Yoon (Korea National University of Education, Republic of Korea, Dankook University, Republic of Korea);
J. Chem. Educ., [Online early access], DOI: 10.1021/acs/jchemed.8b00663, Published Online: Jan 30, 2019, https://pubs.acs.org/doi/10.1021/acs.jchemed.8b00663 (accessed Feb 8, 2019).
The authors automate a classic experiment, the Carbon Dioxide Fountain, by using a Vernier Gas Pressure Sensor connected to an Arduino microcontroller.