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Journal of Chemical Education2
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DeVoe, Howard2
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DeVoe, Howard – Journal of Chemical Education, 2013
Several educators have advocated teaching thermodynamics using a"global" approach in place of the conventional "local" approach. This article uses four examples of experiments to illustrate the two formulations and the definitions of heat and work associated with them. Advantages and disadvantages of both approaches are…
Descriptors: Science Instruction, College Science, Thermodynamics, Heat
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DeVoe, Howard – Journal of Chemical Education, 2007
A model of a thermodynamic system is described in which particles (representing atoms) interact with one another, the surroundings, and the earth's gravitational field according to the principles of classical mechanics. The system's energy "E" and internal energy "U" are defined. The importance is emphasized of the dependence of energy and work on…
Descriptors: Thermodynamics, Science Instruction, Energy, Scientific Concepts