Essays Tagged: "rate determining step"

Rate Law and Mechanisms

Many reactions occur over a number of steps. The slowest of these steps determines the rate of the reaction and is called the "rate determining step".A. Rate Expression (or Rate Law)For a ... given reaction:aA + bB cC + dD (where a, b, c & d are the stoichiometricnumber - for balancing)Rate = k [A]x [B]y (x & y have nothing to do with a, b, c or d)(k is called the "rate constant") ... ant"){using square brackets around a substance, [A], means the concentration of "A" in mol dm-3}The rate is always the initial rate and is found by monitoring the concentration of one of the species. ...

(5 pages) 27 0 4.3 Jun/2004

Subjects: Science Essays > Chemistry

Dehydration of 2-Methylcyclohexanol Formal Report

kene. This type of reaction requires an alcohol, an acid catalyst and heat. Generally strong concentrated acids, like sulfuric acid and phosphoric acid, are used as the acid catalyst.The acid catalyst ... can form a more stable molecule. An E2 mechanism means that the reaction is an elimination and the rate-determining step is bimolecular, two species are involved in one step of the mechanism. If the ...

(12 pages) 43 0 0.0 Apr/2009

Subjects: Science Essays > Chemistry