frequency factor
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frequency factor [′frē·kwən·sē ‚fak·tər]

(physical chemistry)

The constantA(or ν) in the Arrhenius equation, which is the relation between reaction rate and absolute temperatureT; the equation isk=Ae- (ΔH_act/RT), wherekis the specific rate constant, ΔH_actis the heat of activation, andRis the gas constant.

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No references found			2 (18), (19): [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII], (2) where A is the pre-exponential factor in [[cm. Sulfonation of solid polystyrene using gaseous sulfur trioxide by Kucera, F.; Jancar, J. / Polymer Engineering and Science Kinetic parameters such as rate constants, pre-exponential factors, activation energies, and reaction orders were also computed by the nth order and the ASTM 1641 methods. Effect of Various Catalysts on Bis-Ortho-Diynylarenes (BODA) ... by Floyd, Tripp / Bulletin of the South Carolina Academy of Science From the intercept and the already determined analytical form of f([alpha]) the value of the apparent pre-exponential factor, A, may be also calculated. Evaluation of linear kinetic methods from pyrolysis data of Spanish ... by Olivella, M.A.; De las Heras, F.X.C. / Oil Shale			Praxedes Mateo Sagasta Práxedes Mateo Sagasta Praxidice Praxidike praxis Praxis Critical Systems Praxiteles Prayer prayer book prayer wheel Prayer, Book of Common praying Indians praying mantis Prazsky Hrad PRC PRCST Pre-Alps Pre-Aral Karakum PRE-CC pre-cold-frontal squall line Pre-Columbian architecture pre-Columbian art and architecture pre-emption pre-emptive pre-emptive multitasking Pre-exponential factor pre-Hilbert space pre-image pre-Imbrian pre-order pre-order traversal pre-posttensioning Pre-Raphaelite Pre-Raphaelites pre-Romanesque architecture pre-sales support rep pre-shimmed sealant pre-shimmed tape sealant pre-Socratics pre-TR tube pre-transmit-receive tube Pre-Zinjanthropus pre\box Prešeren, France Prešov Prežihov Voranc preacher Preachers, Order of preaching cross preaction sprinkler system Preadaptation			Pre-Examination Questionnaire pre-excitation Pre-Exercise pre-exilian pre-exilic pre-exist pre-exist pre-existed Pre-existence pre-existences pre-existent pre-existing Pre-Existing Condition Pre-Existing Condition Pre-existing Condition Exclusion Pre-Existing Condition Insurance Plan Pre-Existing Conditions Pre-Existing Conditions Pre-Existing Damages pre-existing data pre-existing data pre-existing data pre-existing data Pre-Existing Know-How Pre-Existing Medical Condition Pre-Existing Ordering pre-exists Pre-Exit Telemetry Retransmission and Amplification Pre-Expended Bin Pre-Experience Masters in Management Pre-exponential factor Pre-Export Finance Pre-exposure prophylaxis Pre-fabricated Pre-fabricated Pre-fabricated Pre-fabrication Pre-fabrication Pre-fabrication Pre-Fade Listening Pre-Filing and Technical Guidance Pre-Filing and Technical Services Pre-Filter Oil Pressure Pre-Fire Inspection Pre-First Article Test Pre-flashing Pre-flight Pre-flight Inserted Data Pre-Flight Message Pre-Flight Team Pre-Formed Fragmentation Pre-Fragmented Programmable Proximity Fuzed Round Pre-Freshman Enrichment Program Pre-Freshman Summer Program Pre-Functional Checklist Pre-Gate Closure BMU Pre-genetic screening Pre-genetic screening Pre-Grant Publication pre-harvest inspection

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frequency factor (redirected from Pre-exponential factor)

frequency factor
(redirected from Pre-exponential factor)