Table of Contents

Journal Cover
April 1977
Volume 54, Issue 4
Pages 199-264
About the Cover:

Front and side view of cyclohexaamylose. Bohr's molecular models of H2, O2, and H2O from 1912. Reproduced from Bohr's drawings in the Memorandum from summer 1912. Chymotrypsin active site, CCS model with space fillers. CPK model of N-formyltryptophan in front.

For Selected:

Articles

For teachers of science: A view of history

W. T. Lippincott
p 199
Publication Date: April 1977 (Editorial)
DOI: 10.1021/ed054p199
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Ion fluxes through membranes. Equilibrium, steady state, and kinetic interrelations

Michael E. Starzak
p 200
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p200

Starlight

Harry H. Sisler
p 203
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p203.1

Thoughts while watching television

Harry H. Sisler
p 203
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p203.2

Cycloamyloses

Raymond J. Bergeron
p 204
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p204

Chemical aspects of Bohr's 1913 theory

Helge Kragh
p 208
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p208

Alfred E. Stock and the insidious "quecksilbervergiftung"

E. K. Mellon
p 211
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p211

A documentation program

K. G. Shields and C. H. L. Kennard
p 213
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p213

Interview with Dorothy Crowfoot Hodgkin

Peter Farago
p 214
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p214

Using Project Teach

John K. Garland
p 216
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p216

Where does resonance energy come from? A nonmathematical approach to the theory of aromaticity

D. J. Sardella
p 217
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p217

The Donnan equilibrium and osmotic pressure

Raymond Chang and Lawrence J. Kaplan
p 218
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p218

Visual aid for acid-base concepts

Virgil K. Olson , Janet Osteryoung , Joseph H. Christie and John A. Turner
p 220
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p220

Chemistry for electrical engineers

B. Demetriou and J. R. Parsonage
p 221
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p221

Graphical evaluation of the solubility of protolyzable salts

Roberto Palombari
p 222
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p222

Effect of Ionic Strength on Equilibrium Constants

M. D. Seymour and Quintus Fernando
p 225
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p225

Simple, inexpensive and reliable do-it-yourself chromatography columns

Pavel Lehky
p 227
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p227

A Dramatic and relevant demonstration of ring strain

T. Ross Kelly
p 228
Publication Date: April 1977 (Demo)
DOI: 10.1021/ed054p228.1

Selective solubility: "Like dissolves like"

Wayne L. Smith
p 228
Publication Date: April 1977 (Demo)
DOI: 10.1021/ed054p228.2

Purple benzene: Solubilization of anions in organic solvents

Arthur W. Herriott
p 229
Publication Date: April 1977 (Demo)
DOI: 10.1021/ed054p229.1

Magnetic stirrers of local construction

Heinz Hall and E. J. Eisenbraun
p 229
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p229.2

New skeletal-space-filling models. A model of an enzyme active site

Frank H. Clarke
p 230
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p230

The Toxic Effects of Carbon Dioxide

William B. Jensen
p 235
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p235

Le Châtelier's principle: A laboratory exercise

Frederica Friedman
p 236
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p236.1

Lennard-Jones potential and the possibility of bound vibrational levels in Ar2 and He2 X' Σg+

J. R. Riter Jr.
p 236
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p236.2

Chemical oscillations as an undergraduate experiment

B. M. Deb
p 236
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p236.3

A new expression for relating solvent extraction efficiency to experimental parameters

D. C. Hilderbrand
p 237
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p237.1

NMR resolution analogy

Shelton Bank
p 237
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p237.2

Modification to the Hengar Kjeldahl apparatus

G. F. Atkinson
p 237
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p237.3

Computer-enriched modules for introductory chemistry

Cynthia J. Jameson
p 238
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p238

Laboratory practice for chemical technicians

M. G. Lampard
p 241
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p241

Modest-cost, mobile "in-lab" video studio

W. T. Burnett Jr. and D. H. Lion
p 243
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p243

Recycling disposable plastics for laboratory use

William C. Penker
p 245
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p245.1

A very inexpensive source of atomic/molecular models

Charles F. Beck Jr.
p 245
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p245.2

Simplified Boyle's Law demonstration

Daniel W. Miller
p 245
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p245.3

A simple lab demonstrating energy transformation

Daniel W. Miller
p 245
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p245.4

Experiment in the characterization of coordination compounds

T. R. Williams and L. W. Haynes
p 246
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p246

Questions [and] Answers

J. A. Campbell
p 247
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p247

Hydrogen bonding and heat of solution

Norman Friedman
p 248
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p248

Simple qualitative analysis scheme for several environmentally important elements

Jack L. Lambert and Clifton E. Meloan
p 249
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p249

Facile identification of carbon-14 in labelled acetate. An undergraduate organic experiment

Trevor B. Hill
p 252
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p252

Determination of the kinetic constants in a two-substrate enzymatic reaction

William T. Yap , Barbara F. Howell and Robert Schaffer
p 254
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p254

A "simple" approach to teaching hydrogen chemical shifts

S. L. Smith
p 255
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p255

Tyrosinase. An introductory experiment with enzymes

Michael E. Friedman and Harlow H. Daron
p 256
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p256

Cheap and durable cuvet washer

Carl F. Deneke and Norman I. Krinsky
p 257
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p257

NMR determination of the rotational barrier in N,N-dimethylacetamide. A physical chemistry experiment

Francis P. Gasparro and Nancy H. Kolodny
p 258
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p258

Improved Victor-Meyer apparatus

B. P. Huddle and Kenton Whitmire
p 261
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p261

Simple titrimetric determination of lead in gasoline

Sandra L. Watt , Theresa M. Martino , Margaret A. Chamberlin and Patty H. Laswick
p 262
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p262

Capillary-syringe. A convenient method for preparing air-sensitive samples for melting point determinations

Gary W. Kramer and Thomas P. Stocky
p 264
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054p264

XCII. A low-cost voltammetric signal generator for the electroanalytical chemistry laboratory

Chia-yu Li and Jesse E. Gillikin Jr.
p A217
Publication Date: April 1977 (Article)
DOI: 10.1021/ed054pA217

An Introduction to General Chemistry. Third Edition (Homes, Jerome K.; Krimsley, Victor S.)

Herbert L. Smith
p A239
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA239.1
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Chemistry: An Introduction (Newell, Sydney B.)

Bill Nickels
p A239
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA239.2
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Alchemy Revisted. Chemistry Experiments for Today (Vlassis, C. G.)

A. Truman Schwartz
p A242
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA242.1
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An Experience Approach to Experimental Chemistry (West, Philip W.; Bustin, Roberta)

Donald D. Marshall
p A242
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA242.2
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Quantitative laboratory experiments for general chemistry (Collier, Francis Nash, Jr.; Murray, Royce W.; Kherlopian, Richard H.)

Gerald W. Gibson
p A243
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA243.1
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Contemporary Organic Chemistry (O'Leary, Marion H.)

Ronald S. Lenox
p A243
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA243.2
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Chemistry Kinetics (Nicholas, John)

Halbert Carmichael
p A244
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA244.1
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Laboratory Manual of Physical Chemistry. Second Edition (Crockford, Horace D.; Nowell, John W.; Baird, H. Wallace; Getzen, Forrest W.)

Mervin P. Hanson
p A244
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA244.2
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Molecular Biology of the Gene (Watson, James D.)

William F. Marzluff Jr.
p A245
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA245.1
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Interfacial Electrochemistry: An Experimental Approach (Gileadi, E.; Kirowa-Eisner, E,; Penciner, J.)

William R. Heineman
p A245
Publication Date: April 1977 (Book and Media Review)
DOI: 10.1021/ed054pA245.2
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