Matches in SemOpenAlex for { <https://semopenalex.org/work/W1585792031> ?p ?o ?g. }
Showing items 1 to 94 of
94
with 100 items per page.
- W1585792031 endingPage "112" @default.
- W1585792031 startingPage "109" @default.
- W1585792031 abstract "The C12—C13 fractionation factor in the decomposition of gaseous ethyl bromide has been measured from 350—450°C, using samples of natural isotope abundance. The rate constants are defined as follows: CH3CH2Br→CH2=CH2+HBrk1,CH3C*H2Br→CH2=C*H2+HBrk2,C*H3CH2Br→C*H2=CH2+HBrk3.At 400°C, the C12 enrichment of the first fraction of ethylene from decomposition of the ethyl bromide is S0≡1+ε0=2k1k2+k3=1.0079±0.0006,with a temperature coefficient of — 2.8×10-5/°C. The primary and secondary isotope effects are defined, respectively, as β=k1/k2—1 and γ=k1/k3—1; thus, to a good approximation, β+γ=2ε0. According to theory, β>γ≥0, so that ε0<β≤2ε0 and ε0>γ≥0. From the data of 400°C one then obtains as an upper limit (k1/k2)max≤1.0159±0.0012. This is significantly lower than the value k1/k2≥1.036 calculated for the rupture of an isolated C—Br bond. The present results, therefore, favor a mechanism involving the direct intramolecular elimination of HBr." @default.
- W1585792031 created "2016-06-24" @default.
- W1585792031 creator A5021266043 @default.
- W1585792031 creator A5064590882 @default.
- W1585792031 creator A5091075096 @default.
- W1585792031 date "1955-01-01" @default.
- W1585792031 modified "2023-09-24" @default.
- W1585792031 title "C13 Isotope Effect in the Thermodecomposition of Ethyl Bromide" @default.
- W1585792031 cites W1978954052 @default.
- W1585792031 cites W1986279968 @default.
- W1585792031 cites W1986869433 @default.
- W1585792031 cites W2003957571 @default.
- W1585792031 cites W2013799310 @default.
- W1585792031 cites W2044105352 @default.
- W1585792031 cites W2046438457 @default.
- W1585792031 cites W2066032339 @default.
- W1585792031 cites W2069717437 @default.
- W1585792031 cites W2086168202 @default.
- W1585792031 cites W2314830197 @default.
- W1585792031 cites W2315412971 @default.
- W1585792031 cites W2322570014 @default.
- W1585792031 cites W2329155324 @default.
- W1585792031 cites W2622687053 @default.
- W1585792031 cites W2624126155 @default.
- W1585792031 cites W4234732805 @default.
- W1585792031 doi "https://doi.org/10.1063/1.1740506" @default.
- W1585792031 hasPublicationYear "1955" @default.
- W1585792031 type Work @default.
- W1585792031 sameAs 1585792031 @default.
- W1585792031 citedByCount "11" @default.
- W1585792031 crossrefType "journal-article" @default.
- W1585792031 hasAuthorship W1585792031A5021266043 @default.
- W1585792031 hasAuthorship W1585792031A5064590882 @default.
- W1585792031 hasAuthorship W1585792031A5091075096 @default.
- W1585792031 hasBestOaLocation W15857920311 @default.
- W1585792031 hasConcept C113196181 @default.
- W1585792031 hasConcept C121332964 @default.
- W1585792031 hasConcept C124681953 @default.
- W1585792031 hasConcept C147597530 @default.
- W1585792031 hasConcept C155647269 @default.
- W1585792031 hasConcept C160434732 @default.
- W1585792031 hasConcept C161790260 @default.
- W1585792031 hasConcept C164304813 @default.
- W1585792031 hasConcept C178790620 @default.
- W1585792031 hasConcept C179104552 @default.
- W1585792031 hasConcept C185592680 @default.
- W1585792031 hasConcept C2776300020 @default.
- W1585792031 hasConcept C2778597550 @default.
- W1585792031 hasConcept C58364064 @default.
- W1585792031 hasConcept C62520636 @default.
- W1585792031 hasConcept C69928629 @default.
- W1585792031 hasConcept C71240020 @default.
- W1585792031 hasConcept C75079739 @default.
- W1585792031 hasConcept C97428945 @default.
- W1585792031 hasConceptScore W1585792031C113196181 @default.
- W1585792031 hasConceptScore W1585792031C121332964 @default.
- W1585792031 hasConceptScore W1585792031C124681953 @default.
- W1585792031 hasConceptScore W1585792031C147597530 @default.
- W1585792031 hasConceptScore W1585792031C155647269 @default.
- W1585792031 hasConceptScore W1585792031C160434732 @default.
- W1585792031 hasConceptScore W1585792031C161790260 @default.
- W1585792031 hasConceptScore W1585792031C164304813 @default.
- W1585792031 hasConceptScore W1585792031C178790620 @default.
- W1585792031 hasConceptScore W1585792031C179104552 @default.
- W1585792031 hasConceptScore W1585792031C185592680 @default.
- W1585792031 hasConceptScore W1585792031C2776300020 @default.
- W1585792031 hasConceptScore W1585792031C2778597550 @default.
- W1585792031 hasConceptScore W1585792031C58364064 @default.
- W1585792031 hasConceptScore W1585792031C62520636 @default.
- W1585792031 hasConceptScore W1585792031C69928629 @default.
- W1585792031 hasConceptScore W1585792031C71240020 @default.
- W1585792031 hasConceptScore W1585792031C75079739 @default.
- W1585792031 hasConceptScore W1585792031C97428945 @default.
- W1585792031 hasIssue "1" @default.
- W1585792031 hasLocation W15857920311 @default.
- W1585792031 hasOpenAccess W1585792031 @default.
- W1585792031 hasPrimaryLocation W15857920311 @default.
- W1585792031 hasRelatedWork W1553817525 @default.
- W1585792031 hasRelatedWork W1989736810 @default.
- W1585792031 hasRelatedWork W2007411425 @default.
- W1585792031 hasRelatedWork W2010964298 @default.
- W1585792031 hasRelatedWork W2061563295 @default.
- W1585792031 hasRelatedWork W2077919566 @default.
- W1585792031 hasRelatedWork W2419798140 @default.
- W1585792031 hasRelatedWork W2952508841 @default.
- W1585792031 hasRelatedWork W3043749580 @default.
- W1585792031 hasRelatedWork W747056422 @default.
- W1585792031 hasVolume "23" @default.
- W1585792031 isParatext "false" @default.
- W1585792031 isRetracted "false" @default.
- W1585792031 magId "1585792031" @default.
- W1585792031 workType "article" @default.