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Journal Articles: 17 results
Let Us Give Lewis Acid–Base Theory the Priority It Deserves  Alan A. Shaffer
The Lewis concept is simple yet powerful in its scope, and can be used to help beginning students understand reaction mechanisms more fully. However, traditional approaches to acid-base reactions at the introductory level ignores Lewis acid-base theory completely, focusing instead on proton transfer described by the Br?nsted-Lowry concept.
Shaffer, Alan A. J. Chem. Educ. 2006, 83, 1746.
Acids / Bases |
Lewis Acids / Bases |
Lewis Structures |
Mechanisms of Reactions |
Molecular Properties / Structure |
VSEPR Theory |
Covalent Bonding |
Brønsted-Lowry Acids / Bases
Two "Gas-in-a-Bag" Reactions To Show the Predictive Power of the Relative AcidBase Strength Chart  Brett Criswell
Describes a demonstration in which two different pairs of solid chemicals mixed in two different Ziploc bags in the presence of a small quantities of water react to produce gases. Students are informed that the reactions are BrnstedLowry acidbase type reactions and must determine which member in each pair will act as the acid and which as the base.
Criswell, Brett. J. Chem. Educ. 2006, 83, 1167.
Acids / Bases |
Aqueous Solution Chemistry |
Descriptive Chemistry |
Gases |
Reactions |
Brønsted-Lowry Acids / Bases
A Simple and Easy-To-Learn Chart of the Main Classes of Inorganic Compounds and Their Acid–Base Reactions  Grigoriy Sereda
Presents a two-dimensional chart for the classification of the main classes of inorganic compounds with respect to their acidic and basic properties that makes it possible to predict reaction products and determine the coefficients in chemical equations of acidbase reactions.
Sereda, Grigoriy. J. Chem. Educ. 2005, 82, 1645.
Acids / Bases |
Reactions |
Stoichiometry
When A + B  Is Not Equal To B + A  Erling Antony, Lindsay Mitchell, and Lauren Nettenstrom
Many acid-base chemistry demonstrations and laboratory manuals include the "baking soda volcano". Others use the formation of calcium carbonate from calcium hydroxide and carbon dioxide in human breath. This demonstration uses principles from both as well as stoichiometry to answer the question "Does the order of mixing of reagents make a difference?"
Antony, Erling; Mitchell, Lindsay; Nettenstrom, Lauren. J. Chem. Educ. 2000, 77, 1180.
Acids / Bases |
Stoichiometry |
Reactions
Chemical Domino Demonstration  M. Dale Alexander
The Chemical Domino Demonstration is both educational and entertaining. It provides an excellent means for a review of chemical concepts at the conclusion of a general chemistry course. This demonstration consists of a number of different chemical reactions occurring in sequence in a Rube Goldberg-type apparatus.
M. Dale Alexander. J. Chem. Educ. 1998, 75, 490.
Reactions |
Acids / Bases |
Oxidation / Reduction
Carbohydrate Dehydration Demonstrations  David A. Dolson, Rubin Battino, Trevor M. Letcher, K. H. Pegel, and N. Revaprasadu
Study of the dehydration of a carbohydrate by sulfuric acid and variables that influence the reaction (including type of sugar, sugar granule size, and amount of water added to sugar).
Dolson, David A.; Battino, Rubin; Letcher, Trevor M.; Pegel, K. H.; Revprasadu, N. J. Chem. Educ. 1995, 72, 927.
Carbohydrates |
Reactions
Bleaching with Chlorine: Another Tomato Juice Demonstration   Nemetz, Thomas M.; Ball, David W.
Bubbling chlorine gas through tomato juice produces dramatic color changes. This paper provides safe instructions for the demonstration.
Nemetz, Thomas M.; Ball, David W. J. Chem. Educ. 1993, 70, 154.
Periodicity / Periodic Table |
Reactions
Replacement reactions using a dissecting microscope  Lam-Erwin, Chuk-Yin; Sprague, Joseph
Performing drop-size experiments under dissecting microscopes, including examining the reactivity of metals and double replacement reactions.
Lam-Erwin, Chuk-Yin; Sprague, Joseph J. Chem. Educ. 1992, 69, 855.
Qualitative Analysis |
Metals |
Microscale Lab |
Reactions |
Precipitation / Solubility |
Acids / Bases
Annotating reaction equations  Tykodi, R. J.
Annotating aqueous solution reactions fosters recognition of the fundamental reaction categories; ready recognition of a reaction type is the first step toward understanding the "whys and wherefores" inherent in the reaction.
Tykodi, R. J. J. Chem. Educ. 1987, 64, 243.
Aqueous Solution Chemistry |
Reactions |
Acids / Bases |
Gases |
Precipitation / Solubility |
Oxidation / Reduction
Interstellar chemistry  Carbo, R.; Ginebreda, A.
Surveys some of the features that characterize interstellar chemistry, particularly the composition of the interstellar medium and the nature of the changes that occur there.
Carbo, R.; Ginebreda, A. J. Chem. Educ. 1985, 62, 832.
Astrochemistry |
Gases |
Reactions |
Mechanisms of Reactions
A unified approach to the study of chemical reactions in freshman chemistry  Cassen, T.; DuBois, Thomas D.
An approach that aims to provide students with the background that will enable them to make reasonable predictions as to the likely products of a chemical reaction.
Cassen, T.; DuBois, Thomas D. J. Chem. Educ. 1982, 59, 377.
Reactions |
Atomic Properties / Structure |
Oxidation State |
Oxidation / Reduction |
Aqueous Solution Chemistry |
Periodicity / Periodic Table
The Landolt, "Old Nassau", and variant reactions   Moss, Arthur
Instructions for a modification to the classic "iodine clock" reaction.
Moss, Arthur J. Chem. Educ. 1978, 55, 244.
Kinetics |
Reactions
The chemical equation. Part I: Simple reactions  Kolb, Doris
A chemical equation is often misunderstood by students as an "equation" that is used in chemistry. However, a more accurate description is that it is a concise statement describing a chemical reaction expressed in chemical symbolism.
Kolb, Doris J. Chem. Educ. 1978, 55, 184.
Stoichiometry |
Chemometrics |
Nomenclature / Units / Symbols |
Reactions
Singlet oxygen in aqueous solution: A lecture demonstration   Shakhashiri, Bassam Z.; Williams, Lloyd G.
Lecture demonstrations involving chemiluminescence are useful for the purpose both of displaying chemical phenomena and of illustrating specific principles.
Shakhashiri, Bassam Z.; Williams, Lloyd G. J. Chem. Educ. 1976, 53, 358.
Photochemistry |
Reactions |
Oxidation / Reduction |
Spectroscopy
A simplified undergraduate calorimetry experiment  Bartle, K. D.; Osborn, P. M.
A glass calorimeter for determining ?H for the neutralization of a strong acid with a strong base.
Bartle, K. D.; Osborn, P. M. J. Chem. Educ. 1973, 50, 637.
Acids / Bases |
Reactions |
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus
The oxidation of hydrazine by basic iodine solutions: A stoichiometric study  Cooper, J. N.; Ramette, R. W.
This experiment relies on an oxidation-reduction reaction for which a variety of products is energetically possible.
Cooper, J. N.; Ramette, R. W. J. Chem. Educ. 1969, 46, 872.
Stoichiometry |
Oxidation / Reduction |
Reactions
The hydration of carbon dioxide: A double clock experiment  Jones, P.; Haggett, Max L.; Longridge, Jethro L.
This extension of the "Soda Water Clock" experiment provides a quantitative kinetics investigation.
Jones, P.; Haggett, Max L.; Longridge, Jethro L. J. Chem. Educ. 1964, 41, 610.
Reactions |
Rate Law |
Kinetics |
pH |
Acids / Bases |
Aqueous Solution Chemistry