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Journal Articles: 41 results
Similarity and Difference in the Behavior of Gases: An Interactive Demonstration  Guy Ashkenazi
A demonstration that concurrently exposes differences and similarities in the behavior of two different gases has been designed to bridge the gap between students' understanding at the algorithmicmacroscopic and conceptualmicroscopic levels.
Ashkenazi, Guy. J. Chem. Educ. 2008, 85, 72.
Gases |
Kinetics |
Learning Theories
Gas Clathrate Hydrates Experiment for High School Projects and Undergraduate Laboratories  Melissa P. Prado, Annie Pham, Robert E. Ferazzi, Kimberly Edwards, and Kenneth C. Janda
Presents a procedure for preparing and studying propane clathrate hydrate. This experiment introduces students to this unusual solid while stimulating a discussion of the interplay of intermolecular forces, thermodynamics, and solid structure.
Prado, Melissa P.; Pham, Annie; Ferazzi, Robert E.; Edwards, Kimberly; Janda, Kenneth C. J. Chem. Educ. 2007, 84, 1790.
Alkanes / Cycloalkanes |
Applications of Chemistry |
Calorimetry / Thermochemistry |
Gases |
Phases / Phase Transitions / Diagrams |
Thermodynamics |
Water / Water Chemistry |
Hydrogen Bonding
Carbon Dioxide Fountain  Seong-Joo Kang and Eun-Hee Ryu
This article presents the development of a carbon dioxide fountain that, unlike the traditional ammonia fountain, is odorless and uses consumer chemicals. This experiment also allows students to see evidence of a gaseous reagent being consumed when a pressure sensor is available.
Kang, Seong-Joo; Ryu, Eun-Hee. J. Chem. Educ. 2007, 84, 1671.
Acids / Bases |
Consumer Chemistry |
Gases |
Laboratory Equipment / Apparatus |
Reactions
Determining the Pressure inside an Unopened Carbonated Beverage  Hans de Grys
Determining the pressure of carbon dioxide inside a sealed soft drink can represents a challenging student exercise. Several methods are discussed for solving the problem, including applying the ideal gas law, gas collection via water displacement, and Henry's law.
de Grys, Hans. J. Chem. Educ. 2007, 84, 1117.
Applications of Chemistry |
Aqueous Solution Chemistry |
Consumer Chemistry |
Food Science |
Gases |
Solutions / Solvents |
Student-Centered Learning
What Are Students Thinking When They Pick Their Answer?  Michael J. Sanger and Amy J. Phelps
330 students were asked to answer a multiple-choice question concerning gas properties at the microscopic level and explain their reasoning. Of those who selected the correct answer, 80% provided explanations consistent with the scientifically accepted answer, while 90% of the students who picked an incorrect choice provided explanations with at least one misconception.
Sanger, Michael J.; Phelps, Amy J. J. Chem. Educ. 2007, 84, 870.
Gases |
Kinetic-Molecular Theory |
Phases / Phase Transitions / Diagrams |
Qualitative Analysis
General Education and General Chemistry—Redux  Leslie S. Forster
This paper discusses the desirability of including non-technical general education topics in chemistry courses intended for science and engineering students.
Forster, Leslie S. J. Chem. Educ. 2006, 83, 614.
Enrichment / Review Materials |
Gases |
Learning Theories
The Fizz-Keeper: A Useful Science Tool  John P. Williams, Sandy Van Natta, and Rebecca Knipp
The Fizz-Keeper is well suited for a great variety of pressure-based activities.
Williams, John P.; Van Natta, Sandy; Knipp, Rebecca. J. Chem. Educ. 2005, 82, 1454.
Applications of Chemistry |
Colloids |
Gases
Steel Wool and Oxygen: A Look at Kinetics  James Gordon and Katherine Chancey
An experimental method is described to study the kinetics of the reaction of the iron in steel wool with molecular oxygen. A calculator-based data collection system is used with an oxygen gas sensor to determine the order of the reaction with respect to oxygen. Using the graphical method, students determine that the reaction follows first-order kinetics with respect to oxygen.
Gordon, James; Chancey, Katherine. J. Chem. Educ. 2005, 82, 1065.
Atmospheric Chemistry |
Gases |
Kinetics |
Oxidation / Reduction
Applying Chemical Potential and Partial Pressure Concepts To Understand the Spontaneous Mixing of Helium and Air in a Helium-Inflated Balloon  Jee-Yon Lee, Hee-Soo Yoo, Jong Sook Park, Kwang-Jin Hwang, and Jin Seog Kim
In developing this laboratory, our initial motivation for the analysis of gases in a balloon was to answer simple and basic questions, such as, Why does a helium-charged balloon left in the air always drop in a few days? Is leakage of helium the only cause of the drop? What is the composition of the gas in the balloon when it falls after deflation? Students were intrigued by these questions, too, as they analyzed the variation over time in the composition in a balloon inflated with helium. Using the concepts of partial pressure and chemical potential, the laboratory experiment described effectively investigates the diffusion process and the behavior of gas molecules for teaching these concepts in general and physical chemistry.
Lee, Jee-Yon; Yoo, Hee-Soo; Park, Jong Sook; Hwang, Kwang-Jin; Kim, Jin Seog. J. Chem. Educ. 2005, 82, 288.
Transport Properties |
Gases |
Mass Spectrometry |
Quantitative Analysis
The Determination of the Percent of Oxygen in Air Using a Gas Pressure Sensor  James Gordon and Katherine Chancey
A new detection method is applied to a classic experiment in which gaseous atmospheric oxygen in a test tube is reacted with the iron in steel wool to produce rust. A gas pressure sensor interfaced to a calculator-based data collection system was used to measure the percent of oxygen in the air as the reaction proceeded. The results from the calculator-based experiment were compared to the results from a more traditional water-measurement experiment. The average percent of oxygen obtained using the calculator system was 19.4  0.4%.
Gordon, James; Chancey, Katherine. J. Chem. Educ. 2005, 82, 286.
Atmospheric Chemistry |
Gases |
Oxidation / Reduction |
Reactions
On the Buoyancy of a Helium-Filled Balloon  John E. Harriman
It is shown by expansion of the exponential in the barometric formula that the forces due to pressure acting on a balloon are of the form (PV/RT)Mg and that results agree with those suggested by Archimedes principle. Einstein's equivalence principal provides an answer to what balloons will do in an accelerated car.
Harriman, John E. J. Chem. Educ. 2005, 82, 246.
Atmospheric Chemistry |
Gases |
Kinetic-Molecular Theory |
Physical Properties
Sink or Swim: The Cartesian Diver  K. David Pinkerton
Cartesian divers are a quick and simple way to illustrate relationships among pressure, volume, temperature, and buoyancy. The Activity could be used in connection with the concepts of gases and liquids and discussions of Boyle's, Charles's, and the ideal gas laws.
Pinkerton, K. David. J. Chem. Educ. 2001, 78, 200A.
Gases |
Physical Properties
On the Importance of Ideality  Rubin Battino, Scott E. Wood, and Arthur G. Williamson
Analysis of the utility of ideality in gaseous phenomena, solutions, and the thermodynamic concept of reversibility.
Battino, Rubin; Wood, Scott E.; Williamson, Arthur G. J. Chem. Educ. 2001, 78, 1364.
Thermodynamics |
Gases |
Solutions / Solvents
JCE Classroom Activity: Out of "Thin Air": Exploring Phase Changes  John J. Vollmer
This Activity illustrates sublimation/deposition with para-dichlorobenzene (mothballs) and evaporation/condensation with water.
Vollmer, John J. J. Chem. Educ. 2000, 77, 488A.
Phases / Phase Transitions / Diagrams |
Crystals / Crystallography |
Physical Properties |
Solids |
Gases
Henry's Law and Noisy Knuckles  Doris R. Kimbrough
Presented here is the application of Henry's law to the noise associated with "cracking" knuckles. Gases dissolved in the synovial fluid in joints rapidly come out of solution as the joint is stretched and pressure is decreased. This "cavitation" produces a characteristic noise.
Kimbrough, Doris R. J. Chem. Educ. 1999, 76, 1509.
Gases |
Solutions / Solvents |
Applications of Chemistry |
Medicinal Chemistry
A Precise Method for Determining the CO2 Content of Carbonate Materials  Donald L. Pile, Alana S. Benjamin, Klaus S. Lackner, Christopher H. Wendt, and Darryl P. Butt
The design and use of a buret apparatus for CO2 gas capture and mass determination are described. The derivation of a comprehensive equation to determine the CO2 mass and percent carbonation of the material is outlined. Experimental factors such as temperature and pressure, including elevation effects, and apparatus parameters are discussed and incorporated into one general equation.
Pile, Donald L.; Benjamin, Alana S.; Lackner, Klaus S.; Wendt, Christopher H.; Butt, Darryl P. J. Chem. Educ. 1998, 75, 1610.
Laboratory Equipment / Apparatus |
Gases |
Quantitative Analysis
The Best of Chem 13 News  Kathy Thorsen
A variety of suggestions for instructional activities in introductory chemistry from Chem 13 News.
Thorsen, Kathy. J. Chem. Educ. 1998, 75, 1368.
Microscale Lab |
Gases |
Stoichiometry
A U-Tube Experiment To Discover the Curve in Boyle's Law  Thomas G. Richmond and Amy Parr
A discovery-style experiment is described to enable introductory chemistry students to determine the pressure versus volume behavior of a gas over a wide pressure range to "discover" Boyle's Law.
Richmond, Thomas G.; Parr, Amy. J. Chem. Educ. 1997, 74, 414.
Gases |
Laboratory Equipment / Apparatus
Egg in the Bottle (2)  Moran, Michael
The cause of the pressure drop in the bottle is due to the cooling of high-temperature gases.
Moran, Michael J. Chem. Educ. 1996, 73, A189.
Gases
Egg in the Bottle (1)  DeLorenzo, Ronald
The cooling of gas and the condensation of water vapor must be considered in addition to the loss of oxygen in reducing the pressure inside the glass bottle.
DeLorenzo, Ronald J. Chem. Educ. 1996, 73, A188.
Gases
A Charles' Law Experiment for Beginning Students  Rockley, Mark G.; Rockley, Natalie L.
Experimental procedure and simple apparatus for illustrating Charles' Law and determining absolute zero; sample data and analysis are included.
Rockley, Mark G.; Rockley, Natalie L. J. Chem. Educ. 1995, 72, 179.
Gases |
Laboratory Equipment / Apparatus
A New Quantitative Pressure-Volume Experiment Based on the "Cartesian Diver"  Thompson, Judith U. S.; Goldsby, Kenneth A.
Modified Cartesian Diver to illustrate qualitatively and quantitatively the inverse, nonlinear relationship between gas pressure and volume.
Thompson, Judith U. S.; Goldsby, Kenneth A. J. Chem. Educ. 1994, 71, 801.
Gases
To bubble or not to bubble: Demonstrating Boyle's law   Hughes, Elvin, Jr.; Holmes, L. H., Jr.
A simple demonstration to introduce pressure.
Hughes, Elvin, Jr.; Holmes, L. H., Jr. J. Chem. Educ. 1993, 70, 492.
Gases
Revealing the secret of the Arctic bomb   Pearson, Earl F.
Arctic bombs and hurricanes can appear to be contradictory to gas law concepts commonly taught to chemistry students. While these phenomena can be explained as applications of simple gas laws, the explanations can be more effective if an apparent contradiction is drawn between students' understanding and the observed pressure-temperature relationship in these two examples.
Pearson, Earl F. J. Chem. Educ. 1993, 70, 315.
Gases |
Enrichment / Review Materials
Does a one-molecule gas obey Boyle's law?  Rhodes, Gail
Because the kinetic molecular theory provides a plausible explanation for the lawful behavior of gases, it should be treated in enough depth to show students that the theory accounts for all of the important aspects of ideal gas behavior.
Rhodes, Gail J. Chem. Educ. 1992, 69, 16.
Gases |
Kinetic-Molecular Theory
Soap bubble respirometry  Cummins, Ken
Using the soap bubble respirometer to measure the vapor pressure of hexane over a temperature range.
Cummins, Ken J. Chem. Educ. 1991, 68, 617.
Gases |
Kinetic-Molecular Theory
Will that pop bottle really go pop? An equilibrium question  Deamer, David W.; Selinger, Benjamin K.
These authors challenge a claim that appeared in the journal *New Scientist* regarding carbon dioxide in carbonated beverages and equilibrium.
Deamer, David W.; Selinger, Benjamin K. J. Chem. Educ. 1988, 65, 518.
Applications of Chemistry |
Gases |
Equilibrium
Two fundamental constants  McNaught, Ian J.; Peckham, Gavin D.
Experiment to produce accurate values for both the absolute zero of temperature and the gas constant.
McNaught, Ian J.; Peckham, Gavin D. J. Chem. Educ. 1987, 64, 999.
Gases
Simple determination of Henry's law constant for carbon dioxide  Levy, Jack B.; Hornack, Fred M.; Levy, Matthew A.
With the aid of inexpensive pressure gauges available from automotive supply stores, the solubility of carbon dioxide in carbonated beverages or other solutions can be studied.
Levy, Jack B.; Hornack, Fred M.; Levy, Matthew A. J. Chem. Educ. 1987, 64, 260.
Gases |
Solutions / Solvents
Gas laws and gas behavior  Schmuckler, Joseph S.
A collection of activities from past issues of the Journal and The Science Teacher.
Schmuckler, Joseph S. J. Chem. Educ. 1984, 61, 73.
Gases
Boyle's law and the monster marshmallow  Broniec, Rick
Evacuating the air surrounding a marshmallow with a vacuum pump.
Broniec, Rick J. Chem. Educ. 1982, 59, 974.
Gases
Cinema, flirts, snakes, and gases  Hartwig, Dcio R.; Filho, Romeu C. Rocha
Explaining the kinetic behavior of gases through several analogies.
Hartwig, Dcio R.; Filho, Romeu C. Rocha J. Chem. Educ. 1982, 59, 295.
Kinetic-Molecular Theory |
Gases
Computer-enhanced laboratory experience. An example of a totally integrated approach  Davis, Leslie N.; Coffey, Charles E.; Macero, Daniel J.
A gas law experiment (Boyle's Law) adapted to make use of computer assisted instruction.
Davis, Leslie N.; Coffey, Charles E.; Macero, Daniel J. J. Chem. Educ. 1973, 50, 711.
Gases |
Thermodynamics
Determination of the molar volume of a gas at standard temperature and pressure. A lecture demonstration  Zaborowski, Leon M.
Using massed balloons of measured and corrected volume to determine the molar volume of a gas at standard temperature and pressure.
Zaborowski, Leon M. J. Chem. Educ. 1972, 49, 361.
Gases
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
Maximum work revisited (Letters)  Mysels, Karol J.
Comments on an earlier "Textbook Error" article that considers at length errors in the calculation of work done in compression or expansion of an ideal gas.
Mysels, Karol J. J. Chem. Educ. 1964, 41, 677.
Thermodynamics |
Gases
Maximum work revisited (Letters)  Bauman, Robert
Comments on an earlier "Textbook Error" article that considers at length errors in the calculation of work done in compression or expansion of an ideal gas.
Bauman, Robert J. Chem. Educ. 1964, 41, 676.
Thermodynamics |
Gases
Maximum work revisited (Letters)  Kokes, Richard J.
Comments on an earlier "Textbook Error" article that considers at length errors in the calculation of work done in compression or expansion of an ideal gas.
Kokes, Richard J. J. Chem. Educ. 1964, 41, 675.
Thermodynamics |
Gases
Maximum work revisited (Letters)  Bauman, Robert
Comments on an earlier "Textbook Error" article that considers at length errors in the calculation of work done in compression or expansion of an ideal gas.
Bauman, Robert J. Chem. Educ. 1964, 41, 675.
Thermodynamics |
Gases
"Compounds" (?) of the noble gases prior to 1962  Chernick, Cedric L.
Reviews past efforts to generate compounds of the noble gases.
Chernick, Cedric L. J. Chem. Educ. 1964, 41, 185.
Nonmetals |
Gases
An improved gas generator for elementary chemistry  Thiessen, G. W.; Hall, M.
Describes a small-scale adaptation of the Lassieur generator that provides a self-controlled evolution of gas from solid and liquid reagents.
Thiessen, G. W.; Hall, M. J. Chem. Educ. 1961, 38, 19.
Gases |
Laboratory Equipment / Apparatus