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Direct linkBinous, Housam – Chemical Engineering Education, 2006
We show a new approach, based on the utilization of Mathematica, to solve gas permeation problems using membranes. We start with the design of a membrane unit for the separation of a multicomponent mixture. The built-in Mathematica function, FindRoot, allows one to solve seven simultaneous equations instead of using the iterative approach of…
Descriptors: Chemical Engineering, Mathematics, Computation, Problem Solving
Young, Brent R.; van der Lee, James H.; Svrcek, William Y. – Chemical Engineering Education, 2006
Experience in using a user-friendly software, Mathcad, in the undergraduate chemical reaction engineering course is discussed. Example problems considered for illustration deal with simultaneous solution of linear algebraic equations (kinetic parameter estimation), nonlinear algebraic equations (equilibrium calculations for multiple reactions and…
Descriptors: Laboratory Experiments, Computer Software, Undergraduate Students, Problem Solving
Peer reviewedGregory, J. M. – Physics Education, 1974
Describes teaching schemes and apparatus designed to give the teacher and the student a range of reliable, workable experiments to explore the world of small static charges. (GS)
Descriptors: Curriculum Development, Electricity, Equipment, Laboratory Experiments
Peer reviewedJarrar, Adil A. – Journal of Chemical Education, 1974
Descriptors: Chemical Reactions, Chemistry, College Science, Instructional Materials
Peer reviewedRuark, J. E.; And Others – Journal of Chemical Education, 1974
Descriptors: Chemical Equilibrium, Chemistry, College Science, Instructional Materials
Renner, John W.; And Others – 1985
Investigations in Natural Science is a program in secondary school biology, chemistry, and physics based upon the description of science as a quest for knowledge, not the knowledge itself. This student manual contains the 18 biology investigations. These investigations focus on concepts related to: organisms; classification; populations;…
Descriptors: Biology, High Schools, Learning Processes, Science Activities
Renner, John W.; And Others – 1985
Investigations in Natural Science is a program in secondary school biology, chemistry, and physics based upon the description of science as a quest for knowledge, not the knowledge itself. This student manual contains the 19 chemistry investigations. These investigations focus on concepts related to: interactions with water; salt and calcium;…
Descriptors: Chemistry, High Schools, Learning Processes, Science Activities
Renner, John W.; And Others – 1985
Investigations in Natural Science is a program in secondary school biology, chemistry, and physics based upon the description of science as a quest for knowledge, not the knowledge itself. This student manual contains the 36 physics investigations which focus on concepts related to: movement; vectors; falling objects; force and acceleration; a…
Descriptors: High Schools, Learning Processes, Physics, Science Activities
Peer reviewedOphadt, Charles E. – Journal of Chemical Education, 1974
The design of a freshman chemistry laboratory program involving nontraditional qualitative investigations of metal ion properties is explained. Experiments are discussed which focus on synthesis of a metal salt, properties of metal ions and their separations, and oxidation states of metals. (DT)
Descriptors: Chemistry, College Science, Course Descriptions, Curriculum
Peer reviewedFreeland, P. W. – School Science Review, 1974
Descriptors: Biology, Laboratory Experiments, Laboratory Procedures, Plant Growth
Peer reviewedWaller, Francis J. – Journal of College Science Teaching, 1974
Describes a semistructured approach to the laboratory situation in organic chemistry. (Author/PEB)
Descriptors: Chemistry, College Science, Instruction, Laboratory Experiments
Peer reviewedWard, Alan – Science Activities, 1974
Directions are given for student learning activities on illusions, shadows, the spectrum, and colors. (DT)
Descriptors: Elementary School Science, Instruction, Instructional Materials, Laboratory Experiments
American School and University, 1974
Describes recent experiments at Cornell University; at schools in East Cleveland, Tennessee, North Carolina, and Kentucky; and at Middle Island School in Brookhaven, New York. (MLF)
Descriptors: Environmental Research, Experiments, Human Factors Engineering, Innovation
Peer reviewedWhite, Bernard J.; And Others – Journal of Chemical Education, 1974
Describes an undergraduate laboratory project involving lecithin which integrates two general aspects of lipid methodology: chromatographic techniques and use of enzymes specificity to obtain structural information. (Author/SLH)
Descriptors: Biochemistry, Chemical Analysis, Chromatography, College Science
Peer reviewedDyman, Daniel J. – American Biology Teacher, 1974
Described is thin-layer chromatography (TLC), a technique that can be conveniently used in the laboratory to generate evidence supporting the principle that degrees of biochemical similarity reflect degrees of evolutionary relatedness among organisms. (Author/PEB)
Descriptors: Biochemistry, Biology, Chromatography, College Science
