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CHEM 125: Freshman Organic Chemistry
Lecture 4 - Coping with Smallness and Scanning Probe Microscopy << previous session | next session >> Overview:
This lecture asks whether it is possible to confirm the reality of bonds by seeing or feeling them. It first describes the work of "clairvoyant" charlatans from the beginning of the twentieth century, who claimed to "see" details of atomic and molecular structure, in order to discuss proper bases for scientific belief. It then shows that the molecular scale is not inconceivably small, and that Newton and Franklin performed simple experiments that measure such small distances. In the last 25 years various realizations of Scanning Probe Microscopy have enabled chemists to "feel" individual molecules and atoms, but not bonds. Problem sets/Reading assignment:
Reading assignments, problem sets, PowerPoint presentations, and other resources for this lecture can be accessed from Professor McBride's on-campus course website, which was developed for his Fall 2008 students. Please see Resources section below. Class lecture: Resources:
Professor McBride's web resources for CHEM 125 (Fall 2008) http://webspace.yale.edu/chem125_oyc/#L04 This website may include third-party materials pertaining to relevant topics, provided for the user's convenience. Yale does not control or take responsibility for the content of any off-site pages or linked sites. Yale University 2009. Some rights reserved. Unless otherwise indicated on this page or on the Open Yale Courses website, all content on this page is licensed under a Creative Commons License (AttributionNonCommercial-ShareAlike 3.0) You created this PDF from an application that is not licensed to print to novaPDF printer (http://www.novapdf.com) 1 of 1 2/6/2012 1:14 PM ...
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This document was uploaded on 02/06/2012.
- Fall '09
- Organic chemistry