Relative rate constant measurements for the gas-phase reactions of hydroxyl radicals with 4-methyl-2-pentanone, trans-4-octene, and trans-2-heptene | Semantic Scholar (2024)

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@article{Orji1992RelativeRC, title={Relative rate constant measurements for the gas-phase reactions of hydroxyl radicals with 4-methyl-2-pentanone, trans-4-octene, and trans-2-heptene}, author={Lawrence N. O'rji and Daniel A. Stone}, journal={International Journal of Chemical Kinetics}, year={1992}, volume={24}, pages={703-710}, url={https://api.semanticscholar.org/CorpusID:94403927}}
  • L. O'rji, D. A. Stone
  • Published 1 August 1992
  • Chemistry, Environmental Science
  • International Journal of Chemical Kinetics

The relative OH reaction rates from the simulated atmospheric oxidation of 4-methyl-2-pentanone, trans-4-octene, and trans-2-heptene have been measured. Reactions were carried out at 297 ± 2 K in 100-liter FEP Teflon®-film bags. The OH radicals were produced from the photolysis of methyl nitrite. The measured rate constants (×1011 cm3 molecule−1 s−1) were as follows: 6.77 ± 0.50 for trans-4-octene, 1.40 ± 0.07 for 4-methyl-2-pentanone, and 6.70 ± 0.23 for trans-2-heptene using an absolute rate…

18 Citations

Highly Influential Citations

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18 Citations

Rate constants for the gas-phase reactions of OH radicals with E-7-tetradecene, 2-methyl-1-tridecene and the C(7)-C(14) 1-alkenes at 295 +/- 1 K.

The rate constants measured for E-7-tetradecene and 2-methyl-1-tridecene suggest that the increase in rate constant per additional CH(2) group ranges from being similar to that in the n-alkanes series to being a factor of approximately 2 higher.

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Atmospheric chemistry of ketones: Reaction of OH radicals with 2-methyl-3-pentanone, 3-methyl-2-pentanone and 4-methyl-2-pentanone.
    Yangang RenEl Mehdi El BaramoussiV. DaëleA. Mellouki

    Chemistry, Environmental Science

    The Science of the total environment

  • 2021
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Kinetics Study of the Reactions of 4-Methyl-2-Pentanone and m-Ethyl Toluene with Hydroxyl Radical between 240-340 K and 1-8 Torr Using the Relative Rate/Discharge Flow/Mass Spectrometry Technique.
    R. KaiserJ. HasenbeinZhuangjie Li

    Chemistry, Environmental Science

    The journal of physical chemistry. A

  • 2019

The rate constant of MIBK reaction with hydroxyl radical was found to be negatively dependent on temperature at 240 - 340 K, with an Arrhenius expression of kMIBK+OH(T) = (2.00±0.07) × 10-12exp[(535±11)/T] cm3 molecule-1 s-1.

  • 1
Reaction rate constants of H-abstraction by OH from large ketones: measurements and site-specific rate rules.
    J. BadraA. ElwardanyA. Farooq

    Chemistry

    Physical chemistry chemical physics : PCCP

  • 2014

Reaction rate constants of the reaction of four large ketones with hydroxyl (OH) are investigated behind reflected shock waves using OH laser absorption, and the current scheme is applied with good success to H-abstraction by OH from a series of n-ketones.

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Gas-Phase Chemistry of α-Terpineol with Ozone and OH Radical: Rate Constants and Products
    J. Wells

    Chemistry

  • 2005

A bimolecular rate constant, kOH+α-terpineol, of (1.9 ± 0.5) × 10-10 cm3 molecule-1 s-1 was measured using gas chromatography/mass spectrometry and the relative rate technique for the reaction of the

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The hydroxyl radical reaction rate constant and products of cyclohexanol
    W. R. BradleyS. WyattJ. WellsM. HenleyG. Graziano

    Chemistry

  • 2001

The gas phase reaction of the hydroxyl radical (OH) with cyclohexanol (COL) has been studied. The rate coefficient was determined to be (19.0 ± 4.8) × 10−12 cm3 molecule−1 s−1 (at 297 ± 3 K and 1

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  • PDF
The hydroxyl radical reaction rate constant and atmospheric transformation products of 2-butanol and 2-pentanol
    J. BaxleyJ. Wells

    Environmental Science, Chemistry

  • 1998

The relative rate technique has been used to measure the hydroxyl radical (OH) reaction rate constant of +2-butanol (2BU, CH3CH2CH(OH)CH3) and 2-pentanol (2PE, CH3CH2CH2CH(OH)CH3). 2BU and 2PE react

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The hydroxyl radical reaction rate constant and products of 3,5-dimethyl-1-hexyn-3-ol
    J. Wells

    Environmental Science, Chemistry

  • 2004

A bimolecular rate constant,kDHO, of (29 ± 9) × 10−12 cm3 molecule−1 s−1 was measured using the relative rate technique for the reaction of the hydroxyl radical (OH) with 3,5-dimethyl-1-hexyn-3-ol

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Geraniol (2,6-dimethyl-2,6-octadien-8-ol) reactions with ozone and OH radical: Rate constants and gas-phase products
    C. D. ForesterJ. HamJ. Wells

    Chemistry, Environmental Science

  • 2007
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The hydroxyl radical reaction rate constant and products of methyl isobutyrate
    S. WyattJ. BaxleyJ. Wells

    Chemistry, Environmental Science

  • 1999

The relative rate technique has been used to measure the rate coefficient for the reaction of the hydroxyl radical (OH) with methyl isobutyrate (MIB, (CH3)2 CHC(O)OCH3) to be (1.7 ± 0.4) ×

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Relative rate constants for the reaction of OH radicals with a series of ketones have been determined at 299 ± 2 K, using methyl nitrite photolysis in air as a source of hydroxyl radicals. Using a

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Rate constants for the reaction of OH radicals with a series of alkenes and dialkenes at 295 ± 1 K
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Using a relative rate technique, rate constants for the gas phase reactions of the OH radical with n-butane, n-hexane, and a series of alkenes and dialkenes, relative to that for propene, have been

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Absolute rate constants for the reactions of the OH radical with HCHO and CH3CHO have been determined over the temperature range 299–426°K by a flash photolysis–resonance fluorescence technique. The

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Atmospheric photooxidation reactions. Rates, reactivity, and mechanism for reaction of organic compounds with hydroxyl radicals
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The photooxidation of a number of organic species, representing several classes of atmospheric pollutants, was studied in the presence of HONO, NO, and NO/sub 2/ at parts per million concentrations.

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A technique previously used to determine the concentration of O(³P) in the stratosphere is employed to determine the absolute concentration of ground state hydroxyl radicals between 29 and 43

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    Relative rate constant measurements for the gas-phase reactions of hydroxyl radicals with 4-methyl-2-pentanone, trans-4-octene, and trans-2-heptene | Semantic Scholar (2024)

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    To solve for the rate constant you would rearrange the rate law to solve for k -> k= initial rate/([A]^a[B]^B[C]^c) The values A B and C are given to you but you do have to solve for a, b and c, which represent the order of the individual reactions. Once you have a ,b, and c just plug everything in and solve for k.

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    The rate constant k for the reaction is given as: k=2.303tlogpi2pi−pt. k=2.303tlogpipi−x.

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    The rate constants for the decomposition of a molecule in the presence of oxygen are 0.237 × 10−4 L mol−1 s −1 at 0 °C and 2.64 × 10−4 L mol−1 s −1 at 25 °C (R = 8.314 J mol−1 K−1 ).

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    The constant which defines the relationship between the molar concentration of the reactants and the rate of the chemical reaction is known as the rate constant.

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