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A conductance function derived by Halpern and Gross is compared with experimental data for what they consider to be the most favorable case: slight dissociation in a solvent of very low dielectric constant, at concentrations near that of the minimum in conductance. Such comparison shows that the...
The desirability of measurements of infrared intensities in order to determine electric moments as functions of interatomic distances is illustrated by a discussion of available data on HCl, HI, CO and H 2 O. Some new information on the structure of CO is obtained.
A method of preparation of ammonias in which one, two and three hydrogens are replaced by deuterium has been devised. It reveals that the preparation of magnesium nitride from magnesium and ammonia yields amido‐ or imido‐compounds as intermediate stages of great stability. The physical...
A sketch of the application of van der Waals notions to the study of deviations from van't Hoff's law made by A. A. Noyes is given and a modification of the theory is introduced. An osmotic pressure equation is then deduced from a heat of formation equation. The new theory is shown to be, at...
It has been shown that neither stopcock grease nor water in a Pyrex or soft‐glass vessel affect the concentration of hydrogen‐deuterium mixtures. Diffusion through palladium gives a concentration of the isotopes which is about that to be expected from an atomic diffusion process. Desorption...
The electrical contribution to the chemical potential of an ion having an arbitrary charge distribution is calculated with the aid of the Debye‐Hückel theory. The calculation is based upon a general solution in polar coordinates of the approximate Debye‐Hückel equation, Δψ—κ 2 ψ=0. In...
The line absorption spectrum of chrome alum has been photographed at five temperatures from 85° to 14°K. The variation with temperature of the intensities of certain of these lines suggests the existence of one or more excited lower levels. At 14°K a new group of faint, sharp lines appears...
Symmetry is used to reduce exactly the secular equation for nine monovalent atoms forming a body‐centered cube from an equation of forty‐second degree to equations of third degree and lower. Application of the results is then made to calculate approximately the energy of the isolated unit...
Values of ( F 0 — E 0 0 )/ T are calculated from spectroscopic data for S 2 , SO and S, and equilibrium constants obtained for the reactions 2 SO = S 2 + O 2 ; 2 SO = 1 2 S 2 + SO 2 ; S 2 = 2 S . It is found that SO is stable with respect to the first mode of decomposition, but unstable with...
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