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Aqueous red cabbage extracts: More than just a pH indicator

Iain Smellie | Wed, 09/02/2020 - 09:35

The use of anthocyanins in red cabbage extracts as pH indicators has long been a popular classroom activity. Flowers, fruits and vegetables contain a diverse range of anthocyanins. This investigation explores further applications of plant-derived dyes including reversible reactions based on oxidation/reduction chemistry and other reactions to illustrate colour changes that are not solely dependent on pH change. By using household materials and plant dyes, this investigation may potentially be completed at home if necessary.

JCE 97.06 June 2020 Issue Highlights

Mary Saecker | Thu, 06/11/2020 - 09:10

Learning How to Do Chemistry

The of the Journal of Chemical Education is now available to subscribers. Topics featured in this issue include: innovative curriculum; exploring kinetics; engaging organic chemistry activities; molecular structure and symmetry; polymer chemistry; technology-based instruction; synthesis laboratories; undergraduate research experiences; from the archives: bath bombs and cosmetics chemistry.

JCE 97.05 May 2020 Issue Highlights

Mary Saecker | Wed, 05/13/2020 - 09:53

Chemistry Education in Times of Disruption 

The of the Journal of Chemical Education is now available to subscribers. Topics featured in this issue include: understanding structures; digital information and web-based learning; exploring everyday chemistry; curriculum innovations; games for teaching; NMR spectroscopy; examining properties of organic liquids; biochemistry laboratories; analytical and physical chemistry laboratories; computational chemistry; innovative low-cost instruments; research on knowledge and skills for teachers and chemists; from the archives: hands-on chemistry at home.

#OnlinePivot and Life during COVID-19

Clarissa Sorens... | Fri, 04/10/2020 - 11:35

March came and went, and our whole world- individually and as an aggregate- was turned upside down with COVID-19 and its radically imposed isolation. Face-2-Face (F2F) instruction is now online and remote. Remote teaching. Remote learning. This post is based on the simple question- How does remote teaching change our ability to teach? 

Computer Based Labs - eBook

Thomas Manning | Wed, 04/01/2020 - 17:16

 

This book is filled with computer based labs that can be used in a range of classes from high school chemistry to an undergraduate course in physical chemistry. Bentham Science has generously provided free online access to the eBook through June 30, 2020.

Chemical Illustrations of Flattening the Curve

Dean Campbell | Sun, 03/22/2020 - 18:24

With the current global COVID-19 pandemic, there has been much discussion of “flattening the curve” by social distancing. These ideas can be demonstrated chemically, for example, by the iron-catalyzed decomposition of hydrogen peroxide to produce an oxygen gas foam. Decreased hydrogen peroxide concentrations, representing decreased human population concentrations from social distancing, produce oxygen gas foam, representing cases of illness, at a slower rate. A similar demonstration can be achieved using the popular Diet Coke and Mentos experiment. These simple experiments are best used as stand-alone demonstrations.

JCE 97.03 March 2020 Issue Highlights

Mary Saecker | Tue, 03/10/2020 - 14:17

Developing Students’ Scientific Reasoning - The March 2020 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: nanochemistry; innovative curriculum; teaching with games; teaching with food chemistry and natural products; infrared applications; analysis using color, images, and visualization; environmental chemistry; computer-aided organic chemistry; synthesis laboratories; physical chemistry; graduate school climate assessment; chemical education research: introductory chemistry and student success.