9-25-08[lecture8]sn - (SN Solutions Lecture 8 Summarizing...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
(SN) Solutions Lecture 8 9/25/2008 ¾ Summarizing Intermolecular forces Weakest to strongest attractions: - London dispersion forces : occurs with non-polar molecules, and is also weakest attraction (when taken individually) of all and holds ALL molecules. This attraction is strongest when molecules are very close to each other. Gets stronger if molecules are larger. o Larger molecular weights of molecules dominate the dispersion forces as the strongest forces against hydrogen and dipole bonds. o Polarizability : during dispersion forces interactions ± When electrons repel one another, they cause movements of other electron density, thus; a temporary dipole - temporary dipole attraction between the + end of one temporary dipole and the – end of another molecule that is a temporary dipole. ± The bigger the molecule, the more electrons repelling each other the higher its molecular weight and polarizability--- strong London dispersion attractions - Dipole-dipole forces: occur only on polar molecules when one partially positive
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/02/2011 for the course PHYSICS 235 taught by Professor Staff during the Fall '08 term at Rutgers.

Page1 / 2

9-25-08[lecture8]sn - (SN Solutions Lecture 8 Summarizing...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online