Table of Contents

April 2008
Volume 85, Issue 4
Pages 475-592
About the Cover:

The Jumping Flame Trick. In Classroom Activity #95 by Robert J. Eierman, students follow in the footsteps of Michael Faraday and investigate the factors—fuel, air, and heat—that enable a candle flame to burn. The results are used to understand what happens when you blow a candle out. Included are activities that illustrate what is burning (the jumping flame trick), where the heat is generated (the scorched card), and what the wick does. The activity involves students working with matches and lit candles and therefore requires careful supervision.

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Chemical Education Today

Academic Extensions of Gresham's Law

John W. Moore
p 475
Publication Date (Web): April 1, 2008 (Editorial)
DOI: 10.1021/ed085p475
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Can I Get Help? Where?

Laura E. Slocum
p 477
Publication Date (Web): April 1, 2008 (Editorial)
DOI: 10.1021/ed085p477
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Research Advances: Printing with Enzymes Instead of Ink; New Way to Watch the Lipid Flip—Flippases, Flopases, and Scramblases; Fast, Accurate Sensor to Detect Food Spoilage

Angela G. King
p 478
Publication Date (Web): April 1, 2008 (Report)
DOI: 10.1021/ed085p478

New ACS Guidelines Approved by CPT

Cynthia K. Larive , William F. Polik
p 484
Publication Date (Web): April 1, 2008 (Report)
DOI: 10.1021/ed085p484

Why Tungsten Instead of Wolfram?

William B. Jensen
p 488
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p488

The Physics Teacher: The Physics First Curriculum for High School: Do Chemists Even Know This Is Happening?

Roy W. Clark
p 490
Publication Date (Web): April 1, 2008 (Report)
DOI: 10.1021/ed085p490

Picric Acid

Jay A. Young
p 492
Publication Date (Web): April 1, 2008 (Communication)
DOI: 10.1021/ed085p492

Perchloric Acid (60–72% Aqueous Solution)

Jay A. Young
p 493
Publication Date (Web): April 1, 2008 (Communication)
DOI: 10.1021/ed085p493

News and Announcements

JCE staff
p 494
Publication Date (Web): April 1, 2008 (News and Announcements)
DOI: 10.1021/ed085p494
Sponsored Access Sponsored Access

The Flyleaf Periodic Table

Roy W. Clark and Gary D. White
p 497
Publication Date (Web): April 1, 2008 (Letter)
DOI: 10.1021/ed085p497
Sponsored Access Sponsored Access

Discsussion: Should Students Calculate Titration Curves?

Stephen J. Hawkes
p 498
Publication Date (Web): April 1, 2008 (Letter)
DOI: 10.1021/ed085p498.1
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In Partial Defense of Calculating Titration Curves

Daniel C. Harris
p 498
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p498.2

A Comprehensive Guide to the Hazardous Properties of Chemical Substances, 3rd Edition (Pradyot Patnaik)

Jay A. Young
p 501
Publication Date (Web): April 1, 2008 (Book and Media Review)
DOI: 10.1021/ed085p501
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A Candle in the Wind

Robert J. Eierman
p 528A
Publication Date (Web): April 1, 2008 (Activity)
DOI: 10.1021/ed085p528A

Chemistry for Everyone

In Partial Defense of Calculating Titration Curves

Stephen J. Hawkes
p 499
Publication Date (Web): April 1, 2008 (Letter)
DOI: 10.1021/ed085p499
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The Chemical Adventures of Sherlock Holmes: The Serpentine Remains

Ken Shaw
p 507
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p507

Elements—A Card Game of Chemical Names and Symbols

Susan V. Alexander , Richard S. Sevcik , O'Dell Hicks and Linda D. Schultz
p 514
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p514

In the Classroom

Biochemistry Wordsearches

Terry L. Helser
p 515
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p515

Periodic Table Target: A Game That Introduces the Biological Significance of Chemical Element Periodicity

Susan V. Alexander , Richard S. Sevcik , Ragan L. McGinty and Linda D. Schultz
p 516
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p516

Chemistry Taboo: An Active Learning Game for the General Chemistry Classroom

Ken Capps
p 518
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p518

Using Hydrogen Balloons To Display Metal Ion Spectra

James H. Maynard , Wayne Wolsey
p 519
Publication Date (Web): April 1, 2008 (Demo)
DOI: 10.1021/ed085p519

Flames Tests with Flair

Nicholas C. Thomas , and by Sheldon Knoespel , Kenneth S. Lyle
p 521
Publication Date (Web): April 1, 2008 (Demo)
DOI: 10.1021/ed085p521

Demonstration Extensions: Flame Tests and Electrolysis

Ed Vitz
p 522
Publication Date (Web): April 1, 2008 (Demo)
DOI: 10.1021/ed085p522.1

Inexpensive Alcohol Burners for Flame Tests Using Aluminum Tea Light Candle Holders

Tom Mortier , Annie Wellens and Marie-Josée Janssens
p 522
Publication Date (Web): April 1, 2008 (Demo)
DOI: 10.1021/ed085p522.2

Yet Another Variation on the Electrolysis of Water at Iron Nails

Mark T. Stauffer and Justin P. Fox
p 523
Publication Date (Web): April 1, 2008 (Demo)
DOI: 10.1021/ed085p523

Colorful Column Chromatography: A Classroom Demonstration of a Three-Component Separation

Lars V. Heumann , Daniel E. Blanchard
p 524
Publication Date (Web): April 1, 2008 (Demo)
DOI: 10.1021/ed085p524

Phenolphthalein–Pink Tornado Demonstration

Bruce R. Prall , Jeannine Eddleton
p 527
Publication Date (Web): April 1, 2008 (Demo)
DOI: 10.1021/ed085p527

Paramagnetism Paradoxes: Projectable Demonstrations

Ed Vitz , Frederick C. Sauls , Charles Malerich
p 529
Publication Date (Web): April 1, 2008 (Demo)
DOI: 10.1021/ed085p529

Diamagnetic Corrections and Pascal's Constants

Gordon A. Bain and John F. Berry
p 532
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p532
History, Education, and Documentation

NMR Spectroscopy and Its Value: A Primer

Sudha Veeraraghavan
p 537
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p537

The Return of the Black Box

Malka Yayon and Zahava Scherz
p 541
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p541

In the Laboratory

Using Pooled Data and Data Visualization To Introduce Statistical Concepts in the General Chemistry Laboratory

Robert J. Olsen
p 544
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p544

Converting Municipal Waste into Automobile Fuel: Ethanol from Newspaper

Mark Mascal and Richard Scown
p 546
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p546

A Nitration Reaction Puzzle for the Organic Chemistry Laboratory

Milton J. Wieder and Russell Barrows
p 549
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p549

Pyrolysis of Aryl Sulfonate Esters in the Absence of Solvent: E1 or E2? A Puzzle for the Organic Laboratory

John J. Nash , Marnie A. Leininger and Kurt Keyes
p 552
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p552

"Greening Up" the Suzuki Reaction

Evangelos Aktoudianakis , Elton Chan , Amanda R. Edward , Isabel Jarosz , Vicki Lee , Leo Mui , Sonya S. Thatipamala and Andrew P. Dicks
p 555
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p555

Determination of Hammett Equation Rho Constant for the Hydrolysis of p-Nitrophenyl Benzoate Esters

Sheue L. Keenan , Karl P. Peterson , Kelly Peterson and Kyle Jacobson
p 558
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p558

Easy-To-Make Cryophoruses

Rubin Battino , Trevor M. Letcher
p 561
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p561

Metal Electrodeposition on an Integrated, Screen-Printed Electrode Assembly

Yieu Chyan , Oliver Chyan
p 565
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p565

Research: Science and Education

A Statistical Analysis of Infrequent Events on Multiple-Choice Tests That Indicate Probable Cheating

Michael J. Sundermann
p 568
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p568

Does the Answer Order Matter on Multiple-Choice Exams?

Joel Tellinghuisen and Michelle M. Sulikowski
p 572
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p572

New Potentials for Old: The Darboux Transformation in Quantum Mechanics

Brian Wesley Williams , Tevye C. Celius
p 576
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p576

The Role of Triads in the Evolution of the Periodic Table: Past and Present

Eric Scerri
p 585
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p585

On the Web

JCE ChemInfo Collection of the JCE Digital Library

Jon L. Holmes
p 590
Publication Date (Web): April 1, 2008 (Article)
DOI: 10.1021/ed085p590

A Quantum Mechanics Toolkit: Useful Internet Toolkit to Teach Fundamental Concepts of Quantum Mechanics

João P. M. Poiares , Sérgio P. J. Rodrigues and Jorge M. C. Marques
p 591
Publication Date (Web): April 1, 2008 (Tech Report)
DOI: 10.1021/ed085p591
Sponsored Access Sponsored Access

Molecular Models of Products and Reactants from Suzuki and Heck Syntheses

William F. Coleman
p 592
Publication Date (Web): April 1, 2008 (Tech Report)
DOI: 10.1021/ed085p592
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