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Journal Articles: 26 results
Using the Science Writing Heuristic To Improve Students' Understanding of General Equilibrium  James A. Rudd, II, Thomas J. Greenbowe, and Brian M. Hand
This study examines the performance of students using the Science Writing Heuristic approach, which facilitates scientific inquiry by structuring the laboratory notebook in a format that guides students to answer directed questions, on lecture exams and a laboratory practical exam on chemical equilibrium.
Rudd, James A., II; Greenbowe, Thomas J.; Hand, Brian M. J. Chem. Educ. 2007, 84, 2007.
Equilibrium |
Learning Theories |
TA Training / Orientation |
Student-Centered Learning
Applying the Reaction Table Method for Chemical Reaction Problems (Stoichiometry and Equilibrium)  Steven F. Watkins
A systematic approach to chemical reaction calculations (stoichiometry calculations) - the "Reaction Table Method" (similar to the equilibrium table method).
Watkins, Steven F. J. Chem. Educ. 2003, 80, 658.
Equilibrium |
Stoichiometry |
Reactions |
Kinetics
Are Fizzing Drinks Boiling? A Chemical Insight from Chemical Education Research  Alan Goodwin
The suggestion that fizzing drinks are examples of liquids boiling at room temperature has proved to be controversial among both chemists and chemical educators. This paper presents a case for believing this everyday system to be a good example of a boiling solution and the consequent separation of carbon dioxide from the solution to exemplify fractional distillation.
Goodwin, Alan. J. Chem. Educ. 2001, 78, 385.
Aqueous Solution Chemistry |
Kinetic-Molecular Theory |
Equilibrium |
Gases |
Solutions / Solvents |
Phases / Phase Transitions / Diagrams
A Closer Look at Phase Diagrams for the General Chemistry Course  Stephen A. Gramsch
The information provided by the high-pressure phase diagrams of some simple systems (carbon dioxide, water, hydrogen, and iron) can provide a useful extension to the traditional discussion of phase diagrams in the general chemistry course. At the same time, it can prepare students for a more illuminating presentation of the concept of equilibrium than is possible through the discussion of gas phase, acid-base, and solubility product equilibria alone.
Gramsch, Stephen A. J. Chem. Educ. 2000, 77, 718.
Equilibrium |
Phases / Phase Transitions / Diagrams |
Thermodynamics |
Geochemistry
Teaching Distillation Knowledge: A Video Film about Distillation Bridging a Gap Between Theory and Practice  Martin J. Goedhart, Hanno van Keulen, Theo M. Mulder, Adri H. Verdonk, and Wobbe De Vos
The authors observed that first year students hardly used their knowledge of phase theory in the design and performance of distillations. They therefore developed a video in which they confront students with the boiling properties of liquid mixtures.
Goedhart, Martin J.; van Keulen, Hanno; Mulder, Theo M.; Verdonk, Adri H.; De Vos, Wobbe. J. Chem. Educ. 1998, 75, 378.
Learning Theories |
Phases / Phase Transitions / Diagrams |
Separation Science |
Liquids |
Physical Properties
A Simple Experiment for Demostration of Phase Diagram of Carbon Dioxide   Van T. Lieu
The experiment involves the compression of small pieces of dry ice and carbon dioxide gas mixture in a 1-mL tuberculin syringe with the needle end of the syringe sealed.
J. Chem. Educ. 1996, 73, 837.
Equilibrium |
Phases / Phase Transitions / Diagrams
The acid equilibrium constant is unity!  Baldwin, W. G.; Burchill, C. E.
The attempt to assign a non-unity value to this equilibrium constant is a consequence of misunderstanding the way in which the (nearly) constant concentration or activity of the solvent in a dilute solution (or of a pure solid or liquid in a heterogeneous system) is treated when formulating the conventional equilibrium constant expression.
Baldwin, W. G.; Burchill, C. E. J. Chem. Educ. 1992, 69, 514.
Acids / Bases |
Equilibrium |
Aqueous Solution Chemistry
Understanding the fate of petroleum hydrocarbons in the subsurface environment  Chen, Chien T.
This article reviews our current understanding and then specifies the requirements for research that will improve our ability to detect hydrocarbons and predict their fate in the subsurface environment.
Chen, Chien T. J. Chem. Educ. 1992, 69, 357.
Alkanes / Cycloalkanes |
Phases / Phase Transitions / Diagrams
The liquid phase of carbon dioxide: A simple lecture demonstration  Andrews, Lester
Demonstrating that liquid CO2 can exist at higher pressures.
Andrews, Lester J. Chem. Educ. 1989, 66, 597.
Liquids |
Phases / Phase Transitions / Diagrams
Computer-Assisted Blackboard (Soltzberg, L. J.)  Kruger, J. D.
8-disk set of programs (Apple II) designed to help a lecturer illustrate gas laws, the Rutherford atomic model, quantization in a Bohr atom, wave-functions and orbitals, heat and changes in state, kinetics and simple reaction mechanisms, equilibrium, acid-base reactions, and titrations.
Kruger, J. D. J. Chem. Educ. 1987, 64, A135.
Acids / Bases |
Gases |
Atomic Properties / Structure |
Phases / Phase Transitions / Diagrams |
Kinetics |
Mechanisms of Reactions |
Equilibrium |
Titration / Volumetric Analysis
Introduction to overhead projector demonstrations  Kolb, Doris
General suggestions for using the overhead projector and 21 demonstrations. [Debut]
Kolb, Doris J. Chem. Educ. 1987, 64, 348.
Rate Law |
Reactions |
Catalysis |
Equilibrium |
Transition Elements |
Metals |
Oxidation / Reduction |
Acids / Bases
A demonstration of equilibrium   Bricker, Clark E.
Demonstrations with iron (III) nitrate nonanhydrate illustrate Le Chatelier's principle and also produce some unexpected results.
Bricker, Clark E. J. Chem. Educ. 1986, 63, 979.
Equilibrium
Le Châtelier's principle: A reexamination and method of graphic illustration  Treptow, Richard S.
Le Châtelier's development of the principle that bears his name, and a rephrasing of that principle to make it technically and historically accurate.
Treptow, Richard S. J. Chem. Educ. 1980, 57, 417.
Equilibrium
Le Chtelier's principle: A laboratory exercise  Friedman, Frederica
Le Chtelier's principle can be demonstrated by showing that water can boil at temperatures below 100C due to reduced vapor pressure.
Friedman, Frederica J. Chem. Educ. 1977, 54, 236.
Equilibrium |
Phases / Phase Transitions / Diagrams |
Gases |
Water / Water Chemistry
On mole fractions in equilibrium constants  Delaney, C. M.; Nash, Leonard K.
Proposes a hybrid equilibrium constant for use in introductory chemistry courses.
Delaney, C. M.; Nash, Leonard K. J. Chem. Educ. 1977, 54, 151.
Equilibrium |
Stoichiometry |
Aqueous Solution Chemistry |
Solutions / Solvents
Physical chemistry of the drinking duck  Plumb, Robert C.; Wagner, Robert E.
The operation of the drinking bird is easily understood in terms of a few elementary physical chemistry principles.
Plumb, Robert C.; Wagner, Robert E. J. Chem. Educ. 1973, 50, 213.
Thermodynamics |
Phases / Phase Transitions / Diagrams |
Equilibrium
Chemical Equilibrium: An Introduction (Coe, J.S.)  Hoffman, William A.

Hoffman, William A. J. Chem. Educ. 1972, 49, A311.
Equilibrium
Squeak, skid and glide - The unusual properties of snow and ice  Plumb, Robert C.; Fletcher, N. H.
The Clapeyron equation controls the behavior of ice under varying conditions of temperature and pressure.
Plumb, Robert C.; Fletcher, N. H. J. Chem. Educ. 1972, 49, 179.
Water / Water Chemistry |
Phases / Phase Transitions / Diagrams |
Equilibrium
Squeak, skid and glide - The unusual properties of snow and ice  Plumb, Robert C.; Fletcher, N. H.
The Clapeyron equation controls the behavior of ice under varying conditions of temperature and pressure.
Plumb, Robert C.; Fletcher, N. H. J. Chem. Educ. 1972, 49, 179.
Water / Water Chemistry |
Phases / Phase Transitions / Diagrams |
Equilibrium
General chemistry experiments: Six short, inexpensive procedures  Heit, M. L.; Dauphinee, G. A.
These simple experiments involve conductivity comparisons of derivatives of the acetate ion, paper chromatography, sublimation, the effect of temperature on equilibrium, the detection of I-, and an example of an equilibrium shift.
Heit, M. L.; Dauphinee, G. A. J. Chem. Educ. 1970, 47, 532.
Electrochemistry |
Chromatography |
Phases / Phase Transitions / Diagrams |
Equilibrium |
Oxidation / Reduction
Sealed tube experiments  Campbell, J. A.
Lists and briefly describes a large set of "sealed tube experiments," each of which requires less than five minutes to set-up and clean-up, requires less than five minutes to run, provides dramatic results observable by a large class, and illustrates important chemical concepts.
Campbell, J. A. J. Chem. Educ. 1970, 47, 273.
Thermodynamics |
Crystals / Crystallography |
Solids |
Liquids |
Gases |
Rate Law |
Equilibrium
Chemical principles exemplified  Plumb, Robert C.
Introduction to a new series, containing "exempla" (brief anecdotes about materials and phenomena which exemplify chemical principles). [Debut]
Plumb, Robert C. J. Chem. Educ. 1970, 47, 175.
Gases |
Kinetic-Molecular Theory |
Phases / Phase Transitions / Diagrams |
Thermodynamics |
Equilibrium |
Photochemistry |
Applications of Chemistry
Hard sphere simulation of statistical mechanical behavior of molecules  Plumb, Robert C.
Describes the design and use of a demonstration device to illustrate the kinetic behavior of gases, liquids, and solids.
Plumb, Robert C. J. Chem. Educ. 1966, 43, 648.
Statistical Mechanics |
Gases |
Liquids |
Solids |
Kinetic-Molecular Theory |
Equilibrium |
Phases / Phase Transitions / Diagrams
Principles of chemical equilibrium (Morris, Kelso B.)  Eblin, Lawrence P.

Eblin, Lawrence P. J. Chem. Educ. 1966, 43, 110.
Equilibrium |
Enrichment / Review Materials
Heterogeneous equilibria in general chemistry  Grotz, Leonard C.
Presents suggestions for approaching the subject of heterogeneous equilibria in general chemistry.
Grotz, Leonard C. J. Chem. Educ. 1963, 40, 479.
Equilibrium |
Kinetics
Textbook errors: Guest column. XVI: The vapor pressure of hydrated cupric sulfate  Logan, Thomas S.
Examines variability in the values of pressures of water vapor in equilibrium with pairs of cupric sulfate in hydrates quoted in the literature and texts.
Logan, Thomas S. J. Chem. Educ. 1958, 35, 148.
Phases / Phase Transitions / Diagrams |
Equilibrium