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Umland, Jean B. – Journal of Chemical Education, 1984
Discusses an instructional strategy in which stoichiometric reactions are presented in terms of a recipe. Solutions for two different stoichiometric problems are included. (JN)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Wolfer, Adam J.; Lederman, Norman G. – 2000
Many studies of college chemistry students have found a gap between students' success in solving computational chemistry problems and their success in solving conceptual chemistry problems. This paper examines college students' understanding of the concept of stoichiometry, the particulate nature of matter, and chemistry problem solving. This…
Descriptors: Chemistry, Concept Formation, Higher Education, Introductory Courses
Schmidt, Hans-Jurgen – 1992
The purpose of this descriptive study was to create and test questions on stoichiometry with number ratios for quick mental calculations and to identify students' problem-solving strategies. The present study was a component of a more comprehensive investigation in which 7,441 German senior high school students were asked to work on 154 test items…
Descriptors: Chemistry, Cognitive Style, Computation, Concept Formation