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CHEMISTRY AND CHEMICAL ENGINEERING
Activation of atoms and molecules by electron impact.
Band spectra in their chemical relations.
Relation between the chemical properties and the electron structures
of carbon compounds.
Isomerism in the ethylene series.
Substitution in the benzene series.
Rates of absorption of gases by' liquids.
Flow of liquids through porous solid masses.
Drying of wood.
Conduction of heat by liquids.
For a fuller survey of the researches in progress, see Publications of
the Gates Chemical Laboratory, pages 130-133.
Ch. 174. RESEARCH CONt'ERENCE IN ORGANIC CHEMISTRY. :i! units.
Weekly reports on recent researches in organic chemistry, including
those in progress in the Gates Chemical Laboratory.
Instructors: Lucas, Alles, Koepfli.
Ch. 175. CHEMICAL ApPLICATIONS OF SPECTRAL DATA (Seminar).
6 units; first, second and third terms.
A phenomenological discussion of atomic and molecular spectra, including
pure rotation and oscillation-rotation spectra, Raman spectra,
and molecular spectra involving electronic transitions, followed by their
interpretation with the aid of the qnantum mechanics and the vector
model of the atom and lIIolecnle. Especial emphasis is laid on the applications
of spectral data to chemical problems, such as: ionization potentials
and ion-formation; the determination of heats of dissociation of
molecules and of heat capacity and entropy values of gases from
molecular spectra; dissociation through rotation; predissociation spectra;
isotope effect in molecular spectra; symmetric and antisymmetric molecules;
molecules of transitory existence.
Texts: Condon and Morse, "Quantum Mechanics"; Pauling and Goudsmit,
"The Structure of Line Spectra."
Instructors: Tolman, Dickinson, Pauling, Badger.
Ch. 176. PUOTOCUEMISTRY (Seminar). B units; first, second and third
terms.
Reports on selected topics and recent researches in photochemistry
and related subjects are presented by those attending the seminar.
Instructors: Dickinson, Beckman.
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