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Lecture Notes for CHEM 3410 - PHYSICAL CHEMISTRY I with Richard at The Richard Stockton College of New Jersey (StoCo)

Notes Information

Material Type:Class Note
Professor:Richard
Class:CHEM 3410 - PHYSICAL CHEMISTRY I
Subject:Chemistry
University:The Richard Stockton College of New Jersey
Term:Fall 2008
Keywords:
  • Natural Sciences
  • Rate Constants
  • Either...or
  • Experimental Data
  • Complications
  • Relationship
  • Concentration
  • Experiments
  • Understanding
  • Temperature
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The Richard Stockton College of New Jersey Chemistry Program, School of Natural Sciences and Mathematics PO Box 195, Pomoma, NJ CHEM 3410: Physical Chemistry I | Fall 2008 November 14, 2008 Lecture 31: Reaction mechanisms References 1. Levine, Physical Chemistry, Sections 16.1{6 Key Concepts One of the complications in determining rate laws comes from the temperature dependence of the rate constant: k = f(T). The functional form of this relationship is given as: k(T) = Ae EaRT where Ea is the activation energy, or the energy needed to get over the activation barrier. The exponential form of this expression is common for so-called activated processes. To connect theory to experiments, we need to come up with reaction mechanisms. These mechanisms are set of elementary steps or reactions that describe how the reaction proceeds. Elementary reactions proceed as written on the molecular level. This allows you to write the rate expression for a particular elementary reaction by inspection. The ...

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