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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
  • Straight Line
  • Integrating
  • Concentration
  • Mathematics
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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 12, 2008 Lecture 30: Determining rate laws References 1. Levine, Physical Chemistry, Sections 16.1{4 Key Concepts By using integrated rate laws, we can identify reactions of 0th, 1st, and 2nd order. We can also nd expressions for the half life, which is the time it takes for the initial concentration to decrease to half its original value. For rst order kinetics: rate = k[A] = d[A]dt (Note: the coe cient of 1a is folded into the constant k) The integrated rate law would be: ln[A] = ln[Ao] kt This expression is the integrated rate law for 1st order kinetics. If we plot ln[A] vs t and obtain a straight line, we can say with reasonable con dence that the reaction is 1st with respect to [A]. The slope of the line is equal to k. We have to be careful and check other kinetics (0th and 2nd order) as well. The ha...
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