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Cardinali, Mario Emilio; Giomini, Claudio – Journal of Chemical Education, 1989
Proposes a simple procedure based on an expansion of the exponential terms of Raoult's law by applying it to the case of the benzene-toluene mixture. The results with experimental values are presented as a table. (YP)
Descriptors: Chemistry, College Science, Computation, Equations (Mathematics)
Brown, Robert Stewart; And Others – 1989
The "Habitat" learning system was designed by TVOntario's Children's Programming department for junior-level students. It consists of 20 programs (each 15 minutes long), a teacher's guide, and a magazine for students. Three major objectives of the series were to (1) instruct children in scientific principles relating to habitats; (2)…
Descriptors: Elementary Education, Elementary School Science, Foreign Countries, Program Evaluation