324 UNIVERSITY OF FLORIDA CY. 522.-Chemical Thermodynamics. 3 hours or its equivalent. 3 credits. The second half of the course CY. 521-522. CY. 523.-Special Topics in Physical Chemistry. 3 hours or its equivalent. 3 credits. The topics covered will depend upon the particular needs of the students and will consist of material not covered in other courses. CY. 524.-Chemical Kinetics. 3 hours or its equivalent. 3 credits. Prere- quisite: CY. 521. Acids and bases; homogeneous and heterogeneous catalysis; rates and mechanism. CY. 525.-Chemistry of the Terpenes. 3 hours or its equivalent. 3 credits. The monocyclic terpenes and related hydroaromatic compounds. CY. 526.-Chemistry of the Terpenes. 3 hours or its equivalent. 3 credits. The dicyclic terpenes and their derivatives. CY. 527.-Laboratory Distillation. 3 hours or its equivalent. 3 credits. Desirable prerequisite differential equations. Simple and fractional distillation; steam distillation; molecular distillation. De- termination of the number of theoretical plates, the optimum reflux ratio and the sharpness of separation using packed columns. CY. 528.-Chemistry of High Polymers. 2 hours, and 3 hours laboratory or its equivalent. 3 credits. CY. 529.-Water Supply and Treatment. 3 hours or its equivalent. 3 credits. A survey of Florida hydrology and a discussion of the most recent developments in the treatment and stabilization of municipal and industrial water supplies. CY. 530.-Physical-Organic Chemistry. 3 hours or its equivalent. 3 credits. The theory and application of physical methods in the study of the behavior of organic compounds. CY. 531.-Semi-Micro and Micro Inorganic Analysis. 1 hour, and 6 hours laboratory. 3 credits. CY. 532.-Instrumental Analysis. 1 hour, and 6 hours laboratory. 3 credits. Theory and use of spectrophotometric measurements in analytical chemistry. The laboratory work will include use of ultra-violet, visible and infra-red spectra as well as flame spectrophotometry. CY. 533.-Instrumental Analysis. 2 hours, and 3 hours laboratory. 3 credits. Offered 2. Applications of the theories of solutions to analytical chemistry. The laboratory work will emphasize electrometric titrations and polarography. CY. 532 is not a pre- requisite for this course. CY. 535.-Industrial Water Treatment. 3 hours or its equivalent. 3 credits. Prerequisite: CY. 529. The statement 'Offered 1" means offered first semester; 2, second semester; 3, summer session.