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Direct linkMoore-Russo, Deborah A.; Cortes-Figueroa, Jose E.; Schuman, Michael J. – Journal of Chemical Education, 2006
The use of Calculator-Based Laboratory (CBL) technology, the graphing calculator, and the cooling and heating of water to model the behavior of consecutive first-order reactions is presented, where B is the reactant, I is the intermediate, and P is the product for an in-class demonstration. The activity demonstrates the spontaneous and consecutive…
Descriptors: Heat, Graphing Calculators, Laboratory Equipment, Science Experiments
Promoting Graphical Thinking: Using Temperature and a Graphing Calculator to Teach Kinetics Concepts
Peer reviewedCortes-Figueroa, Jose E.; Moore-Russo, Deborah A. – Journal of Chemical Education, 2004
A combination of graphical thinking with chemical and physical theories in the classroom is encouraged by using the Calculator-Based Laboratory System (CBL) with a temperature sensor and graphing calculator. The theory of first-order kinetics is logically explained with the aid of the cooling or heating of the metal bead of the CBL's temperature…
Descriptors: Kinetics, Graphing Calculators, Scientific Concepts, Teaching Methods
Peer reviewedCortes-Figueroa, Jose E.; Moore, Deborah A. – Journal of Chemical Education, 2002
Describes the use of calculator based laboratory (CBL) technology in monitoring the process of chemical reactions. Explains the estimation of infinity readings and criteria to choose t values. (YDS)
Descriptors: Chemical Reactions, Chemistry, Educational Technology, Graphing Calculators
Peer reviewedCortes-Figueroa, Jose E.; Moore, Deborah A. – Journal of Chemical Education, 1999
Describes the use of Calculator-Based Laboratory (CBL) technology and a projectable TI-83 graphing calculator to demonstrate the kinetic behavior of a complex reaction. Explains how the CBL is used to review first-order reactions and the graphing calculator is used to determine the rate constants for a series of consecutive first-order reactions.…
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Science), Educational Technology
