Lectures chem 51a lecture 11 organic organic chemistry: intermolecular forces (english) uci chem 51a organic chemistry (fall 2014) lec 11 organic chemistry -- intermolecular forces view the complete 01:39-intermolecular forces 02:23-van der waals forces 07:10-dipole-dipole interactions. Two intermolecular forces are reviewed: salt bridges and hydrogen bonds the properties of water that are important for biochemistry are also addressed. Lecture outline 111 a molecular comparison of liquids and solids • -pentane has the greater intermolecular attractive forces and therefore has the higher boiling point intermolecular forces, liquids, and solids. Chapter 1 dipole moments, molecular polarity and intermolecular forces polarity of molecules have polar bonds, and have an unsymmetrical shape polarity affects the intermolecular forces of attraction and therefore affects boiling points and -lecture #3-molecular polarity and physical. 2 intermolecular forces © 2009, prentice-hall, inc intermolecular forces these intermolecular forces as a group are referred to as van der waals forces. His fundamental contributions to the theories of chemical bonding and of intermolecular forces since 1956, the fritz london memorial lectures have brought to the scientific community at duke university a distinguished group of lecturers including twenty nobel laureates.
Types of intermolecular forces printer friendly 3 phases - dependent on the intermolecular forces gas takes on volume/shape of container compressible organic chemistry lecture 19b organic chemistry lecture 19b organic chemistry lecture 20 organic chemistry lecture 23. Lecture 45 intermolecular forcesnotebook 3 july 25, 2012 oct 127:58 pm 1in which of the following are the intermolecular forces. In physical chemistry, the van der waals force (or van der waals' interaction), named after dutch scientist johannes diderik van der waals totality of intermolecular forces van der waals interactions or force johannes diderik van der waals leiden, the netherlands, 1837 -1923. Intermolecular forces and states of mattername: _____ ap chemistry lecture outline chemical properties are related only to chemical composition physical properties are related to chemical composition and the physical state of the substance at the time. Intermolecular forces explain why • water is a liquid at room temperature, not a gas • ice ﬂoats on water • snowﬂakes have 6 sides • i2 is a solid, br2 is a liquid, and cl2 is a gas lecture 2b intermolecular forces author: michael love.
The stronger the intermolecular forces of the compound, the higher the boiling point of the compound because it will take more energy to break the bonds it therefore follows that the stronger the intermolecular forces. Chapter 14 lecture outline a properties of liquids the intermolecular forces in liquids are stronger than those in gases, so although the molecules of a liquid are free to move around, they remain connected to the. Structure and be able to compare the relative strengths of these intermolecular forces gases in gases the particles/molecules are far apart and the intermolecular forces between them are weak 2.
Lecture 11- intermolecular forces - free download as powerpoint presentation (ppt), pdf file (pdf), text file (txt) or view presentation slides online. Ap chem intermolecular force worksheet key answer all of the questions in detail/ when asked to explain do so in such a manner that you fully. 2 3 if the molecules have similar molar masses, their london forces have similar strengths look at the types of intermolecular forces each molecule has. 0307 intermolecular forces: lab and rubric before you begin: you may either copy and paste this document into a word processing program of your choice or print this page in this assignment, you will need to refer to the molecules you built or drew in assignment 306b molecular model.
They help determine bulk properties such as boiling point and melting point there are two intermolecular forces that are collectively referred to as van der waals forces: it's hard to learn from lectures and videos learn more effectively through short van der waals force.
Watch lecture, atoms and molecules interact with one another on the molecular level through chemical bonds. A clear conclusion to be drawn from this fact is that intermolecular attractive forces vary considerably with intermolecular forces serving to constrain the motion of the molecules more severely than in the liquid 007: compounds having one oxygen: 1-butanol tert-butanol cyclohexanol. Openchemistry lecture videos professor donald blake general chemistry 1b properties of gases, liquids, solids changes of state properties of solutions stoichiometry thermochemistry lecture 2: intermolecular forces, liquids & solids. Uci chem 1a general chemistry (winter 2013)lec 16 general chemistry intermolecular forces -- dipole forces, dispersion forcesview the complete course. Van der waals forces: part i dr engineering interfacial engineering module 3: lecture 1 joint initiative of iits and iisc funded by mhrd 2/22 table of contents section/subsection page no 311 intermolecular and surface forces 3 312 van der waals eos 4 313 mie and lennard. 1 chapter 6 intermolecular forces attractions between particles scientists are interested in how matter behaves under unusual circumstances.