The Responsibility of High Temperature Scientists.- Determination of the Dissociation Energies of Gaseous Iron Monoxide and Manganese Monoxide by the Mass Spectrometric Knudsen Cell Method.- The Surface Diffusion of High Temperature Vapors in Porous Alumina.- Electron Impact Spectroscopy of High Temperature Species.- Energetics of Silicon Oxidation Reactions. An Independent Determination of the SiO Bond Dissociation Energy.- Kinetics of Vaporization of Molten Selenium.- Electron-Ion Collisions in High Temperature Plasmas.- Absorption Spectra of Diphenylacetylene and 1,4-Diphenylbutadiyne Cations in Solid Argon.- Study of the Disproportionation of Sodium Thiosulfate by X-Ray Photoelectron Spectroscopy.- Observations of Excited Metastable and Radiative States of He2, Ne2, and Ar2 by Neutralized Ion-Beam Spectroscopy.- ScNi and TiCo Molecules. Ground States, Bonding, and Brewer-Engel Theory.- Temperature Dependence of Pb(3P10). Spin-Orbit Relaxation by Atomic Hydrogen.- Electronic Matrix Isolation Spectroscopic Studies of the Group IIA Metal-Water Photochemistry.- Reactions of Iron Atoms and Iron Dimers with Methane, Ammonia, and Hydrogen Fluoride in Low Temperature Matrices.- Cadmium Activities of Silver-Cadmium Alloys Determined from Measurements on EMF Cells Involving Displacement Reactions.- Second Law and Solution Structure.- Diatomic Partition Functions from Classical and Semiclassical Phase Integrals.- Surface/Interfacial Free Energies and the Surface Tension of Uranium Dioxide.- Transpiration Mass Spectrometric Analysis of Liquid KCl and KOH Vaporization.- A New Gaseous Iridium Oxide, Ir2O3.- Gibbs Free Energies of Formation for Intermetallic Compounds Involving Trasition Elements, Lanthanides, and Actinides.- Prediction of High Temperature Metallic PhaseDiagrams.- The Temperature-Composition Phase Diagram of the GeSe-GeTe System.- Hydration and Dehydration of Calcium Oxide Powders Studied by Photoluminescence Spectroscopy.- Reactions of Transition Metal Atoms with 2-Nitropropane.- A Predictive Procedure for Vapor Pressure.- Empirical Calculations of Molecular Properties.- Author Index.