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Mungan, Carl E. – Physics Education, 2012
A pair of objects on an inclined plane are connected together by a string. The upper object is then connected to a fixed post via a spring. The situation is first analysed as a classroom exercise in using free-body diagrams to solve Newton's second law for a system of objects upon which many different kinds of force are acting (string tension,…
Descriptors: Physics, Science Instruction, Science Laboratories, Motion
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Marzluff, Elaine M.; Crawford, Mary A.; Reynolds, Helen – Journal of Chemical Education, 2011
Substitution reactions, a central part of organic chemistry, provide a model system in physical chemistry to study reaction rates and mechanisms. Here, the use of inexpensive and readily available commercial conductivity probes coupled with computer data acquisition for the study of the temperature and solvent dependence of the solvolysis of…
Descriptors: Organic Chemistry, Science Instruction, Scientific Principles, Heat
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Armstrong, Matt; Comitz, Richard L.; Biaglow, Andrew; Lachance, Russ; Sloop, Joseph – Chemical Engineering Education, 2008
A novel approach to the Chemical Engineering curriculum sequence of courses at West Point enabled our students to experience a much more realistic design process, which more closely replicated a real world scenario. Students conduct the synthesis in the organic chemistry lab, then conduct computer modeling of the reaction with ChemCad and…
Descriptors: Organic Chemistry, Chemical Engineering, Science Instruction, Science Laboratories
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Keenan, Sheue L.; Peterson, Karl P.; Peterson, Kelly; Jacobson, Kyle – Journal of Chemical Education, 2008
Seven p-nitrophenyl benzoate esters (p-nitrophenyl benzoate, p-nitrophenyl m-anisate, p-nitrophenyl p-anisate, p-nitrophenyl m-chlorobenzoate, p-nitrophenyl p-chlorobenzoate, p-nitrophenyl m-toluate, p-nitrophenyl p-toluate) were synthesized and characterized by students in a second-semester organic laboratory course. In a subsequent laboratory…
Descriptors: Kinetics, Organic Chemistry, Science Laboratories, Data Analysis