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The conductance of aqueous solutions of potassium bromide at concentrations from 0.0005 N to 0.01 N for temperatures from 15° to 45° C has been measured by the direct‐current method previously employed for potassium and sodium chlorides. At 15°, there is a small logarithmic term required to...
The exchange of radioactive silver and bromide ions with aqueous silver bromide suspensions was studied. It was observed that both constituents of the silver bromide lattice exchange with the ions in solution. A strong dependence of the exchange rate on the amount of surface of the precipitates...
Specific‐heat measurements of iron of 99.94 percent purity were determined throughout the temperature range 52° to 298°K. These measurements were undertaken because of the five sets of determinations in this region previously recorded in the literature are in disagreement, with the exception...
Mixtures of hydrogen bromide, methyl iodide, and iodine have been illuminated with ultraviolet light, and the rate of formation of methane as a function of the relative concentrations has been determined. With iodine absent from the system, a maximum amount of methane is formed, due to the...
A table of energy level patterns for rigid asymmetric rotors is given, by means of which this approximation to the rotational energies of all molecules up to J = 10 may be readily evaluated. The symmetry classification of each level is determined and expressed in terms of the K values of the...
Dyes adsorbed at, or imbedded in, solids have a greater yield of fluorescence and phosphorescence than they do in liquid solutions. As an hypothesis, it is suggested that hindrance of the natural movement of the atoms in the dye molecule causes a delay in the internal conversion of excitation...
Raman frequencies, intensities and depolarization factors are reported for 1‐octene, cis + trans 2‐octene, trans −3‐octene, trans −4‐octene, 4‐octyne, and 1‐octyne. The experimental arrangement is described. The intensities were determined by use of a micro‐densitometer....
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