págs. 4438-4444
págs. 4445-4452
págs. 4453-4461
Approaching Diesel Fuel Quality in Chemistry Lab Classes: Undergraduate Student’s Achievements on Determination of Biodiesel Content in Diesel Oil Applying Solvatochromic Effect
Rafael Cavalcante dos Santos, Juliane Natalizi Cabral Cavalcanti, Elisa Carneiro Werneck do Carmo, Fernando Costa de Souza, Wesley Garcia Soares, Cristiane Gimenes de Souza, Débora França de Andrade, Luiz Antonio d'Avila
págs. 4462-4468
págs. 4469-4474
How Should Apples Be Prepared for a Fruit Salad? A Guided Inquiry Physical Chemistry Experiment
Renée S. Cole, Marc Muniz, Erica Harvey, Robert J. Sweeney, Sally S. Hunnicutt
págs. 4475-4481
Introduction to Femtochemistry: Excited-State Proton Transfer from Pyranine to Water Studied by Femtosecond Transient Absorption
págs. 4482-4489
Examination and Improvement of Undergraduate Laboratory Experiment: Thermodynamics of a Surfactant Micellization
Qian Zhang, Jie Liu, Xiao Nai, Hongcui Bao, Dezhi Sun, Min Liu
págs. 4490-4498
Introducing Structure–Energy Concepts of RNA at the Undergraduate Level: Nearest Neighbor Thermodynamics and NMR Spectroscopy of a GAGA Tetraloop
Gaius Takor, Christopher E. Morgan, Liang-Yuan Chiu, Nashea Kendrick, Emily Clark, Rohan Jaiswal, Blanton S. Tolbert
págs. 4499-4504
págs. 4505-4514
Structural Chemistry 2.0: Combining Augmented Reality and 3D Online Models
págs. 4515-4519
The Shrewd Guess: Can a Software System Assist Students in Hypothesis-Driven Learning for Organic Chemistry?
Julia E. Winter, Joseph Engalan, Sarah E. Wegwerth, Gianna J. Manchester, Michael T. Wentzel, Michael J. Evans, James E. Kabrhel, Lawrence J. Yee
págs. 4520-4526
págs. 4527-4532
Separation of Anthocyaninic and Nonanthocyaninic Flavonoids by Liquid–Liquid Extraction Based on Their Acid–Base Properties: A Green Chemistry Approach
págs. 4533-4539
Social Distancing During the COVID-19 Pandemic: An Analogy to Explain Collision Cross-Sections in Chemical Kinetics
Ricardo Fernández Terán, Estefanía Sucre Rosales, Lorenzo Echevarría, Florencio E. Hernandez
págs. 4540-4544
Correction to “Testing in the Time of COVID-19: A Sudden Transition to Unproctored Online Exams”
Ted M. Clark, Christopher S. Callam, Noel M. Paul, Matthew W. Stoltzfus, Daniel Turner
págs. 4545-4545
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