DVDs and Videos > Chemistry

Prog15- Solution Kinetics Techniques Age: 16 Years-Adult; Time: 30 mins; Year: 1995 Format code; R = DVD, V = VHS, C = CD-ROM

Program Description

OXIDATION OF IODIDE BY HYDROGEN MEROXIDE Running time: 5:51 mins. Background to the reaction which is known as "the iodine clock reaction"; defining the experimental conditions; making up solutions; carrying out the experiment; plotting the results; determining the importance of other variables. OXIDATION OF IODIDE BY POTASSIUM PEROXYDISULPHATE Running time: 5:40 mins. Background to the kinetic determinations; preparing the equipment; making up the reagents; carrying out kinetic runs; plotting the results; obtaining activation energies; determining the importance of other variables. IODINATION OF KETONES Running time: 8:45 mins. Background to halogenation reactions; the importance of controlling temperature; preparing solutions; setting up the uv/visible spectrometer; carrying out the experiment; plotting the results; obtaining the kinetic parameters. MEASURING SOLUTION PARTITION COEFFICIENTS Running time: 5:56 mins. Background to the phenomenon of partitioning material between solvents with differing polarities; determining saturation concentrations for iodine in water and toluene; carrying out a partition experiment using the titration method; using an alternative spectrophotometric method. COLORIMETRIC ANALYSIS Running time: 3:37 mins. Introduction to colorimetric measurements; preparing solutions; setting up a calibration procedure; measuring unknown samples; plotting the results; caring for solution cells.