CHMA11H3 Lecture : Intermolecular Forces 11.1-11.4
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Ideal gas red curve is higher temperature, black curve is lower temperature (the curve looks the same because it is an ideal gas. An ideal gas will never freeze or become a liquid because it has intermolecular interactions they don"t attract each other or repel each other. Because they don"t interact, they can"t become solids or liquid. Molecule polarity is given when there is a charge separation of one part of the molecule to another (doesn"t have to be a full charge separation) Strongly held together that they maintain their shape in containers. Can be crystalline or non crystalline, ordered or not ordered. What decides what state a substance is going to be: how much kinetic energy is available and how strong the attractive forces are the two factors are in competition with each: kinetic energy depends on temperature. The average amount of kinetic energy in a gas (keavg) = 1. 5rt. Increase temperature more kinetic energy: attractive forces.