Eine Mikromethode und ein Apparat zur Untersuchung der Kinetik gasentbindender Reaktionen wird beschrieben. Eine Übersättigung der reagierenden Flüssigkeit an dem bei der Reaktion entstehenden Gas wird durch Durchpumpen von Luft vermieden. Das Volumen des entstandenen Gases wird in entsprechenden Zeitintervallen bei konstantem Druck gemessen.

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOn Electrostatic Activity Coefficients in Solvents of Medium Dielectric ConstantPh. Gross, P. Kuzmany, and M. WaldCite this: J. Am. Chem. Soc. 1937, 59, 12, 2692–2694Publication Date (Print):December 1, 1937Publication History Published online1 May 2002Published inissue 1 December 1937https://pubs.acs.org/doi/10.1021/ja01291a062https://doi.org/10.1021/ja01291a062research-articleACS PublicationsRequest reuse permissionsArticle Views34Altmetric-Citations4LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

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Der thermische Zerfall des Dimethylcarbonats verläuft zu einem beträchtlichen Teil, die Reaktion (CH3)2CO3+H2O= 2CH3OH+CO2 praktisch vollkommen an der Wand.

The reaction D2+HCl=HD+DCl has been investigated at temperatures from 765°K to 843°K. The reaction is almost entirely homogeneous, and, up to temperatures of the order of 830°K, bimolecular. The fraction which proceeds heterogeneously is determined in a vessel packed with tubes. The constant of the homogeneous bimolecular reaction can be represented by the following equation: Ko=6.27×1013×T12×e−26.200/T mole−1 cm3 sec.−1.At the maximum measured temperature of 843°K deviations were noticed which may have been due to atomic reaction.

Ph. Gross and A. Wischin, Trans. Faraday Soc., 1936, 32, 879 DOI: 10.1039/TF9363200879

Starting from the hypothesis that the rate-determining process in the electrolysis of gases is constituted by the recombination of the gas atoms on the electrode, a formula is developed which expresses the separation coefficient as a function of well-known thermodynamic constants of H and D compounds and of the frequencies with which the atoms carry out their thermal oscillations on the electrode. The formula gives a certain range for the value of the separation coefficient which is in good agreement with the observations. As a by-product of these calculations a relation is established between the normal electrode potentials of H and D.

In this paper a thermodynamic study of the theory of galvanic electrode potentials is presented. It is shown that, starting from strictly equilibrium conditions, the series of normal electrode potentials can be expressed through other partly known thermodynamic quantities, one group of which refers to the solid phase only, independent of the solvent used, while the other is characterized by the type of solvent.