Acid-base theory and practice, the chemistry of metals and metal cations, including oxidation and reduction potentials and electrochemistry, equilibria related to ion solubility and complex-ion formation. Entropy and free energy applied to equilibrium phenomena. Discussion and measurement of the qualitative and quantitative chemistry of common ions. Includes two weekly laboratories.
- Acid-base equilibria; weak acids, bases, the influence of salts on pH, and the common-ion effect; the Henderson-Hasselbalch equation and buffers; titrations.
Lab: Check in and Acid-Base Titration - The solubility product constant; solubility and the common-ion effect; complex-ion equilibria; the effect of pH on solubility
Lab: Ksp of Pb(IO3)2 and Electrochemical Cells - Electrochemistry: half-reactions, voltaic cells and cell potential, standard potentials related to periodic table position and capacity as oxidizing or reducing agent
Lab: Introduction to “Qual”, Group I Cation Analysis (Known and Unknown) - Discussion: Qualitative analysis of group I, II and III cations
Lab: Group II Cation Analysis (Known and Unknown) - The laws of thermodynamics; entropy, entropy as f(T), the Gibb-Helmholtz equation, free energy and spontaneity
Lab: Group III Cation Analysis (Known and Unknown) - Water analysis capstone lab project discussions and sample collection field trip
Lab: Determination of Pb in a Water Sample by Atomic Absorption Spectrophotometry - Free energy and the equilibrium constant
Lab: General Qualitative Unknowns, Water Quality Measurements - Cell potentials and equilibrium; thermodynamic considerations; cell potential as f(conc.) and the Nernst equation; electrolytic cells
Lab: General Qualitative Unknowns; Water Quality Measurements - Water project discussion, Water quality laboratory report writing
Lab: General Qualitative Unknowns, Water Quality Measurements - Discussion and analysis of results and oral presentation
Lab: Water Quality Report Writing and Check Out Water Quality Reports and Laboratory Notebooks Due
The principal full-time instructor for the general chemistry series, in consultation with the other full-time chemistry faculty, decides on the text and other materials to be used as follows: A science majors’ general chemistry text from a major publisher is to be adopted. Ancillary materials may be added to maximize the potential for student success. As an example, the present text used is: General Chemistry, 10th ed., Ebbing and Gammon; (Brooks/Cole Cengage Learning, 2013) Chemical Principles in the Laboratory, 11th ed., Slowinsky, Wolsey, & Rossi (Cengage Learning 2016)
Extensive laboratory equipment and chemicals, fume hoods, up to date computers interfaced to digital sensors, demonstration table/equipment in lecture, multimedia computer projection capability in lecture, doc camera/projection system in lab as well.
General Statements
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