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Journal Articles: 19 results
"Mysteries" of the First and Second Laws of Thermodynamics  Rubin Battino
Over the years the subject of thermodynamics has taken on an aura of difficulty, subtlety, and mystery. This article discusses common misconceptions and how to introduce the topic to students.
Battino, Rubin. J. Chem. Educ. 2007, 84, 753.
Calorimetry / Thermochemistry |
Thermodynamics
The Isothermal Heat Conduction Calorimeter: A Versatile Instrument for Studying Processes in Physics, Chemistry, and Biology  Lars Wadsö, Allan L. Smith, Hamid Shirazi, S. Rose Mulligan, and Thomas Hofelich
A simple but sensitive isothermal heat-conduction calorimeter and five experiments for students to illustrate its use (heat capacity of solids, acid-base titration, enthalpy of vaporization of solvents, cement hydration, and insect metabolism).
Wadsö, Lars; Smith, Allan L.; Shirazi, Hamid; Mulligan, S. Rose; Hofelich, Thomas. J. Chem. Educ. 2001, 78, 1080.
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus |
Thermal Analysis |
Thermodynamics
A Simple Computer-Interfaced Calorimeter: Application to the Determination of the Heat of Formation of Magnesium Oxide  Sze-Shun Wong, Natasha D. Popovich, and Shelley J. Coldiron
Design, construction, and laboratory instructional application of a simple computer-controlled, constant-pressure calorimeter.
Wong, Sze-Shun; Popovich, Natasha D.; Coldiron, Shelley J. J. Chem. Educ. 2001, 78, 798.
Calorimetry / Thermochemistry |
Instrumental Methods |
Thermodynamics |
Laboratory Equipment / Apparatus
A Closer Look at the Addition of Equations and Reactions  Damon Diemente
Chemists occasionally find it convenient or even necessary to express an overall reaction as the sum of two or more component reactions. A close examination, however, reveals that the resemblance between chemical algebraic equations is entirely superficial, and that the real meaning of addition in chemical equations is subtle and varies from case to case. In high-school courses, students are likely to encounter the addition of equations in thermochemistry, in electrochemistry, and in kinetics.
Diemente, Damon. J. Chem. Educ. 1998, 75, 319.
Calorimetry / Thermochemistry |
Electrochemistry |
Mechanisms of Reactions |
Stoichiometry |
Reactions
Home-Study Microlabs  Dietmar Kennepohl
This article presents the use of microscaled chemistry experiments for individual home study and how it can be incorporated into a course with traditional laboratory work.
Kennepohl, Dietmar. J. Chem. Educ. 1996, 73, 938.
Microscale Lab |
Solutions / Solvents |
Calorimetry / Thermochemistry |
Qualitative Analysis |
Precipitation / Solubility
REACT: Exploring Practical Thermodynamic and Equilibrium Calculations  Ramette, Richard W.
Description of REACT software to balance complicated equations; determine thermodynamic data for all reactants and products; calculate changes in free energy, enthalpy, and entropy for a reaction; and find equilibrium conditions for the a reaction.
Ramette, Richard W. J. Chem. Educ. 1995, 72, 240.
Stoichiometry |
Equilibrium |
Thermodynamics |
Chemometrics
Derivation of the ideal gas law  Levine, S.
Derivation of the ideal gas law from a thermodynamic influence.
Levine, S. J. Chem. Educ. 1985, 62, 399.
Gases |
Thermodynamics |
Chemometrics
Le Châtelier's principle: the effect of temperature on the solubility of solids in liquids  Brice, L. K.
The purpose of this article is to provide a rigorous but straightforward thermodynamic treatment of the temperature dependence of solubility of solids in liquids that is suitable for presentation at the undergraduate level. The present discussion may suggest how to approach the qualitative aspects of the subject for freshman.
Brice, L. K. J. Chem. Educ. 1983, 60, 387.
Thermodynamics |
Liquids |
Solids |
Chemometrics |
Equilibrium
Calculation of statistical thermodynamic properties  Vicharelli, P. A.; Collins, C. B.
25. Bits and pieces, 9. A computer program for the calculation of specific heat, entropy, enthalpy, and Gibbs free energy of polyatomic molecules.
Vicharelli, P. A.; Collins, C. B. J. Chem. Educ. 1982, 59, 131.
Calorimetry / Thermochemistry |
Thermodynamics |
Chemometrics
Pressure and the exploding beverage container   Perkins, Robert R.
The question in this article is an extension of exploding pop bottles to illustrate the balancing of a chemical equation, enthalpy, stoichiometry, and vapor pressure calculations, and the use of the Ideal Gas Equation. The question is aimed at the first-year level student.
Perkins, Robert R. J. Chem. Educ. 1981, 58, 363.
Stoichiometry |
Gases |
Thermodynamics |
Chemometrics
The heat of combustion of cereals  Glachino, Gary G.
Determining the heat of combustion of common children's cereals.
Glachino, Gary G. J. Chem. Educ. 1980, 57, 372.
Calorimetry / Thermochemistry |
Food Science
Collision theory  Myers, Richard S.
The question presented here can be employed in general or physical chemistry courses.
Myers, Richard S. J. Chem. Educ. 1978, 55, 243.
Chemometrics |
Thermodynamics |
Kinetics
Enthalpy and entropy of evaporation from measured vapor pressure using a programmable desk calculator  McEachern, Douglas M.
A program for a calculator that calculates the heat of evaporation of a solid or a liquid and the corresponding entropy change.
McEachern, Douglas M. J. Chem. Educ. 1973, 50, 190.
Calorimetry / Thermochemistry |
Thermodynamics |
Phases / Phase Transitions / Diagrams |
Chemometrics
Volkswagen versus the hummingbird  Nebbia, Giorgio
Questions the cited (046-07-0455) thermodynamic calculations.
Nebbia, Giorgio J. Chem. Educ. 1969, 46, 701.
Thermodynamics |
Calorimetry / Thermochemistry |
Chemometrics
Enthalpies of formation of solid salts  Neidig, H. A.; Yingling, R. T.
This investigation introduces the student to several important areas of thermochemistry, including enthalpies of neutralization, enthalpies of dissolution, enthalpies of formation, and Hess' Law.
Neidig, H. A.; Yingling, R. T. J. Chem. Educ. 1965, 42, 474.
Thermodynamics |
Solids |
Calorimetry / Thermochemistry |
Precipitation / Solubility |
Acids / Bases |
Aqueous Solution Chemistry
Relationship of enthalpy of solution, solvation energy, and crystal energy  Neidig, H. A., Yingling, R. T.
The primary objectives of this investigation are to relate enthalpy of solution, solvation energy, and crystal energy using Hess' Law and to acquaint students with Born-Haber type energy cycles.
Neidig, H. A., Yingling, R. T. J. Chem. Educ. 1965, 42, 473.
Thermodynamics |
Solutions / Solvents |
Crystals / Crystallography |
Calorimetry / Thermochemistry
Thermochemical investigations for a first-year college chemistry course. A survey of existing literature  Ewing, Galen W.
The purpose of this article is to review some of the experiments that appear in the literature involving thermochemistry.
Ewing, Galen W. J. Chem. Educ. 1965, 42, 26.
Calorimetry / Thermochemistry
The Carnot cycle and Maxwell's relations  Nash, Leonard K.
Maxwells equations can be derived from nothing more than the Carnot cycle and the deployment of the simplest plane geometry.
Nash, Leonard K. J. Chem. Educ. 1964, 41, 368.
Thermodynamics |
Chemometrics
A common misunderstanding of Hess' law  Davis, Thomas. W.
The statement, sometimes attributed to Hess, that "In any series of chemical or physical changes the total heat effect is independent of the path by which the system goes from its initial to its final state" is incorrect.
Davis, Thomas. W. J. Chem. Educ. 1951, 28, 584.
Stoichiometry |
Acids / Bases |
Aqueous Solution Chemistry |
Calorimetry / Thermochemistry