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Lecture

CHMA11 Lecture 4: Intermolecular Forces

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Department
Chemistry
Course
CHMA11H3
Professor
Jamie Donaldson
Semester
Winter

Description
CHMA11 Lecture 4 Intermolecular Forces determine the type of forces between atoms in a molecule you need to know the electronegativity of the atoms and the shape of the moleculeintermolecular forces DONT depend on temperatureSurface Tensionsurface tension is a property of liquids that results from the tendency of liquids to minimize their surface areamolecules in the condensed phase like to be surrounded by other molecules to optimize the intermolecular force between moleculesmolecules want to reduce the surface area surface tension energy required to increase the surface of a liquid while having the same volumesurface tensions are causes liquid to spread out and gives the shape of meniscusesstronger the intermolecular attractive forces the higher the surface tensiongreater the temperaturemore energy to overcome intermolecular forcessurface tension goes down because all molecules are gett
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