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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:
  • Particular Order
  • Free Radicals
  • Complicated
  • Natural Sciences
  • Chain Reaction
  • Termination
  • Approximation
  • Concentration
  • Propagation
  • Decomposition
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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 24, 2008 Lecture 35: Chain reactions and polymerization References 1. Levine, Physical Chemistry, Chapter 16 Key Concepts Some unimolecular reactions (ex: decomposition of acetaldehyde) do not t with the above kinetics of unimolecular reactions. Chain reactions typically involve the formation and propagation of free radicals. This type of kinetic mechanism includes polymerization, explosions, and combustion. There are three main step types in a chain reaction mechanism: 1. Initiation: start forming some radicals, Initiators can be photochemicals which react with light, unstable molecules like peroxides, or external radical species introduced to the system 2. Simple propagation: a radical reacts with a molecules to produce another radical and another molecule 3. Termination: two radicals react to form a molecul...

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