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  Home > JCE Print > Journal of Chemical Education > Issues > 2009  > July  >
In the Laboratory
Solubility Studies of Organic Compounds for Nonscience Majors
Mariella Passarelli
Department of Natural Sciences, University of Maine at Farmington, Farmington, ME 04398
Cover
July 2009
Vol. 86 No. 7
p. 845

Abstract
Organic compounds with varying structure and functional groups are mixed with water and with each other in order for students to formulate a theory about the molecular basis of solubility. The exercise is designed as a guided-inquiry lab for an introductory biochemistry course for non-science majors. Observations on the effects of polarity, hydrogen bonding, chain length, cyclic versus acyclic, or other structural features on solubility are related to the intermolecular forces discussed in the biochemistry curriculum.
Supplement
Student handout including structures of the compounds and a data sheet; Instructor notes including contradicting pairs of compounds, a solubility table, and a compilations of the compounds' hazards
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Citation
Passarelli, Mariella. J. Chem. Educ. 2009, 86, 845.
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Keywords
Biochemistry; Collaborative / Cooperative Learning; First-Year Undergraduate / General; Hands-On Learning / Manipulatives; High School / Introductory Chemistry; Inquiry-Based / Discovery Learning; Laboratory Instruction; Molecular Properties / Structure; Noncovalent Interactions; Nonmajor Courses; Organic Chemistry; Physical Chemistry; Physical Properties; Precipitation / Solubility; Student-Centered Learning
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History
Created:
Last Updated:
6/1/2009
6/9/2009
 Caution! 
Experiments, laboratory exercises, lecture demonstrations, and other descriptions of the use of chemicals, apparatus, instruments, computers, and computer interfaces are presented in the Journal of Chemical Education as illustrative of new or improved ideas or concepts in chemistry instruction and are directed at qualified teachers. Although every effort is made to assure and encourage safe practices and safe use of chemicals, the Journal of Chemical Education cannot assume responsibility for uses made of its published materials. Many chemicals are hazardous. Precautions for the safe use of hazardous chemicals and directions for their proper disposal are described in the Material Safety Data Sheets and on the labels. We strongly urge all those planning to use materials from our pages to make choices and to develop procedures for laboratory and classroom safety in accordance with local needs and situations.
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