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Solutions : ReverseOsmosis (20 Variations) You are given a water sample that contains ammonium chloride (NH4Cl). You determine the concentration of the salt to be 0.500 M and decide to purify the water using reverse osmosis. What is the minimum pressure that must be applied at 30.0oC to force the water through the membrane?
Similarity and Difference in the Behavior of Gases: An Interactive DemonstrationGuy Ashkenazi A demonstration that concurrently exposes differences and similarities in the behavior of two different gases has been designed to bridge the gap between students' understanding at the algorithmicmacroscopic and conceptualmicroscopic levels. Ashkenazi, Guy. J. Chem. Educ.2008, 85, 72.
Gases |
Kinetics |
Learning Theories
Geographical Information Systems (GIS) Mapping of Environmental Samples across College CampusesKathleen L. Purvis-Roberts, Harriet P. Moeur, and Andrew Zanella In this laboratory experiment, students take environmental samples (concentrations of nitrogen dioxide) and geospatial coordinates with a global position systems unit at various locations around campus, map their data on a geo-referenced map with geographical information systems software, and compare their results to those observed by governmental agencies. Purvis-Roberts, Kathleen L.; Moeur, Harriet P.; Zanella, Andrew. J. Chem. Educ.2007, 84, 1691.
Applications of Chemistry |
Atmospheric Chemistry |
Gases |
Laboratory Computing / Interfacing |
UV-Vis Spectroscopy
General Education and General Chemistry—ReduxLeslie S. Forster This paper discusses the desirability of including non-technical general education topics in chemistry courses intended for science and engineering students. Forster, Leslie S. J. Chem. Educ.2006, 83, 614.
