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The hydrogenation of ethylene, ethylene‐ d 4 and partially deuterized ethylene photosensitized by excited mercury to λ = 2537A has been studied. It has been found that the rate of hydrogenation of the deutero‐compound is more rapid than that of ethylene under comparable conditions. With...
The spectrum of deutero‐formaldehyde in the infra‐red has been studied from 2.0μ to 13.0μ and seven absorption bands have been found. With these data and the data on the spectrum of the ordinary formaldehyde available it has been possible, making use of the product relations of Redlich, to...
A study has been made of the absorption of aqueous solutions of some halogen salts in the region of 4.7μ. It has been found that KF shifts the bands to shorter wave‐lengths, while KCl, KBr, and KI shift the band to longer wave‐lengths. The effect is explained as due to changes in hindered...
The vapor pressures over the crystalline salts have been measured in the neighborhood of 900°K by Knudsen's method for the chlorides and bromides of sodium, potassium and rubidium. Heats of vaporization have been calculated from the data.
An attempt has been made to secure resonance excitation of HgH by illuminating (1) a mixture of mercury, hydrogen and nitrogen, and (2) a mixture of mercury and water vapor, with the light from a mercury and hydrogen discharge. This discharge emitted a fairly intense HgH spectrum. Weak HgH band...
The Eyring concept of holes in liquids and his theory of absolute reaction rates indicate that diffusion coefficients should vary exponentially with temperature. Data in the literature indicate that this is true. It is shown that empirical observations concerning the relation between diffusion...
Using the harmonic oscillator rigid rotator approximation to the partition function of nitrosyl chloride, the values of the free energy function, ( F 0 — E 0 0 )/ T , and the entropy, S 0 , have been calculated for the ideal gas from 298.1°K to 1000°K at fifty degree intervals. By comparison...
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