Data Pooling in a Chemical Kinetics Experiment: The Aquation of a Series of Cobalt(III) Complexes: A Discovery Chemistry Experiment

Lisa P. Nestor
Department of Chemistry, Trinity College, Hartford, CT 06106
Richard S. Herrick and Kenneth V. Mills
Department of Chemistry, College of the Holy Cross, Worcester, MA 01610
J. Chem. Educ., 2008, 85 (8), p 1120
DOI: 10.1021/ed085p1120
Publication Date (Web): August 1, 2008

Abstract

An experiment in chemical kinetics as part of our Discovery Chemistry curriculum is described. Discovery Chemistry is a pedagogical philosophy that makes the laboratory the key center of learning for students in their first two years of undergraduate instruction. Questions are posed in the pre-laboratory discussion and assessed using pooled student data. Results of experiments are then used in lecture to discover chemical principles. This experiment introduces students to integrated rate laws, the search for a mechanism that is consistent with chemical and kinetic data, and the concept of activation barriers and their measurement.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Inorganic Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Cobalt
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  • Received: August 03, 2009

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