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| Journal of Chemical Education | 8904 |
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Showing 8,896 to 8,904 of 8,904 results
Peer reviewedBanerjee, Anil C. – Journal of Chemical Education, 1995
Discusses some of the conceptual difficulties encountered by undergraduate students in learning certain aspects of chemical equilibrium and thermodynamics. Discusses teaching strategies for dealing with these difficulties. (JRH)
Descriptors: Chemical Equilibrium, Chemistry, Constructivism (Learning), Educational Strategies
Peer reviewedLogan, S. R. – Journal of Chemical Education, 1995
Discusses the use of the least-squares regression line in determining the optimum straight line in an efficient and objective manner and the validity of its underlying assumptions in certain situations. Discusses the treatment of kinetic data, distortion from large errors, and the Guggenheim method. (JRH)
Descriptors: Chemistry, Data Analysis, Error of Measurement, Higher Education
Peer reviewedFriedel, Arthur W.; Maloney, David P. – Journal of Chemical Education, 1995
Conducted a study to determine what students can do with information presented in class about moles, molecules, atoms, gram atomic weight, Avogadro's number, and molar mass. Results indicate that the students had significant difficulty making effective use of the information about the number of atoms in a molecule provided by the subscript in a…
Descriptors: Chemical Nomenclature, Chemistry, Higher Education, Problem Solving
Peer reviewedWygoda, Linda; Teague, Rebecca – Journal of Chemical Education, 1995
Discusses how a chemistry curriculum can be designed using traditional classroom activities and assessments along with alternative and authentic approaches. Presents a variety of assessment and learning experiences for a first-year course in chemistry. (JRH)
Descriptors: Alternative Assessment, Chemistry, Educational Change, Evaluation
Peer reviewedSuzuki, Chieko – Journal of Chemical Education, 1995
Describes the construction of a low-cost handmade apparatus for the electrolysis of water that is durable enough to endure rough treatment. (JRH)
Descriptors: Chemistry, Laboratory Equipment, Science Experiments, Secondary Education
Peer reviewedTemme, Susan M. – Journal of Chemical Education, 1995
Describes an exercise designed to be used in an Advanced Placement (AP) chemistry course to accompany the study of thermodynamics. Uses Differential Scanning Calorimetry in teaching the concepts of thermochemistry and thermodynamics. (JRH)
Descriptors: Advanced Placement, Chemistry, Heat, Problem Solving
Peer reviewedDolson, David A.; And Others – Journal of Chemical Education, 1995
Discusses the impact of various factors on the "charring reaction" of a carbohydrate with concentrated sulfuric acid including the type of sugar, the degree of fineness of the sugar crystals, and the amount of water added. (JRH)
Descriptors: Chemistry, Demonstrations (Science), Higher Education, Science Experiments
Peer reviewedGrim, Nancy C.; Sarquis, Jerry L. – Journal of Chemical Education, 1995
Presents an analogy for the principle of separation by mass spectrometry using an overhead projector, nickel spheres, and magnets. (JRH)
Descriptors: Chemistry, Demonstrations (Science), Higher Education, Spectroscopy
Peer reviewedProksa, Miroslav – Journal of Chemical Education, 1995
Presents a demonstration that combines the "Ammonia Fountain" experiment with the "Density Gradient" experiment to create a greater effect. (JRH)
Descriptors: Chemistry, Demonstrations (Science), Density (Matter), Higher Education
