Estimated Upper Bounds to the Half-Life of Thermal Decomposition of Ammonia, Hydrogen, Methane, and Propane

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An estimate was made of the upper bound for the half-time of dissociation at 100 atm for ammonia, methane, and propane at 2500 deg K and hydrogen at 5000 deg K. In each case a unimolecular reactron in the homogeneous gas phase was chosen as most suitable for this purpose. Slater's theory has been used to estimate the necessary frequency factors. The upper bounds to the half- time for dissociation range from 3 x 10⁻⁷ to 6 x 10⁻⁶ sec. Extrapolation of decomposition rate data obtained at --1000 deg C and 1 atm pressure gives smaller values for the half-time … continued below

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[27] p. : ill., tables ; 28 cm.

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Herschbach, Dudley R. August 1955.

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  • Main Title: Estimated Upper Bounds to the Half-Life of Thermal Decomposition of Ammonia, Hydrogen, Methane, and Propane
  • Series Title: Los Alamos National Laboratory Reports
  • Added Title: LAMS (Los Alamos Scientific Laboratory) Report 1954
  • Added Title: Los Alamos National Laboratory Report LAMS-1954

Description

An estimate was made of the upper bound for the half-time of dissociation at 100 atm for ammonia, methane, and propane at 2500 deg K and hydrogen at 5000 deg K. In each case a unimolecular reactron in the homogeneous gas phase was chosen as most suitable for this purpose. Slater's theory has been used to estimate the necessary frequency factors. The upper bounds to the half- time for dissociation range from 3 x 10⁻⁷ to 6 x 10⁻⁶ sec. Extrapolation of decomposition rate data obtained at --1000 deg C and 1 atm pressure gives smaller values for the half-time of dissociation.

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[27] p. : ill., tables ; 28 cm.

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  • OCLC: 913527255
  • SuDoc Number: Y 3.AT 7:22/LAMS-1954
  • Report No.: LAMS-1954
  • Archival Resource Key: ark:/67531/metadc502345

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  • August 1955

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  • Feb. 12, 2018, 7:42 a.m.

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  • April 23, 2019, 4:15 p.m.

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Herschbach, Dudley R. Estimated Upper Bounds to the Half-Life of Thermal Decomposition of Ammonia, Hydrogen, Methane, and Propane, report, August 1955; [Oak Ridge, Tennessee]. (https://digital.library.unt.edu/ark:/67531/metadc502345/: accessed June 9, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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