1988
DOI: 10.1139/v88-368
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The kinetics of gas phase reactions studied in a "homogeneous reactor"

Abstract: The use of a "well-stirred" or "homogeneous" reactor in kinetic studies of gas phase reactions has been examined to assess the sensitivity of the method to the criteria upon which its use is based. The effects of heterogeneous and homogeneous secondary reactions are considered and the validity of the assumption of homogeneity has been examined experimentally for conditions similar to those which have been used elsewhere. The atom sink presented by the excess reagent under pseudo first order conditions results … Show more

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Cited by 4 publications
(4 citation statements)
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“…A general agreement was found among these values and the values compiled in ref and references therein for temperatures of 300 K. The three-body rate coefficient taken into account for reaction 8 has been considered at each moment of the simulation to depend on the relative concentration of the predominant species N 2 O, N 2 , and O 2 and their partial contribution as a third body. The individual values used here have been 1.59 × 10 -31 cm -6 s -1 , 6.83 × 10 -32 cm -6 s -1 , and 8.6 × 10 -32 cm -6 s -1 , respectively. These reactions are assumed to be irreversible, this assumption being justified by comparison of the reverse and forward rate constants. , Homogeneous reactions among two or three of the stable species involved in the discharge have not been considered in the model, since their reported rate coefficients are many orders of magnitude lower than those of reactions involving atoms.…”
Section: Chemical Kinetics Model and Discussionmentioning
confidence: 99%
“…A general agreement was found among these values and the values compiled in ref and references therein for temperatures of 300 K. The three-body rate coefficient taken into account for reaction 8 has been considered at each moment of the simulation to depend on the relative concentration of the predominant species N 2 O, N 2 , and O 2 and their partial contribution as a third body. The individual values used here have been 1.59 × 10 -31 cm -6 s -1 , 6.83 × 10 -32 cm -6 s -1 , and 8.6 × 10 -32 cm -6 s -1 , respectively. These reactions are assumed to be irreversible, this assumption being justified by comparison of the reverse and forward rate constants. , Homogeneous reactions among two or three of the stable species involved in the discharge have not been considered in the model, since their reported rate coefficients are many orders of magnitude lower than those of reactions involving atoms.…”
Section: Chemical Kinetics Model and Discussionmentioning
confidence: 99%
“…The rate coefficients for the OC-addition channel are shown by the dot-dashed line (with the WKB tunneling). The symbols show the experimental data: ⊗, ref ; □, ref ; ▵, ref , the MS-measured data; ○, ref , the ESR-measured data; ◇, ref ; **, ref ; +, ref ; ▿, ref ; × ×, ref .…”
Section: Resultsmentioning
confidence: 99%
“…The rate coefficients for the OC-addition channel are shown by the dot-dashed line (with the WKB tunneling). The symbols show the experimental data: ⊗, ref ; □, ref ; ▵, ref , the MS-measured data; ○, ref , the ESR-measured data; ◇, ref ; **, ref ; +, ref ; ▿, ref ; × ×, ref .
5 Kinetic isotope effect (KIE) for the O( 3 P) + CH 3 COCH 3 reaction in the temperature range 200−3000 K. The KIEs with the WKB tunneling and with the Eckart tunneling are shown by the solid line and the dot-dashed line, respectively. Δ, the experimental data in ref ; □, the theoretical data in ref .
…”
Section: Resultsmentioning
confidence: 99%
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