Humboldt State University ® Department of Chemistry

Richard A. Paselk

Chem 109 - General Chemistry - Spring 2015

Lecture Notes 36: 27 April

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Colligative properties, cont.

Remember—Colligative properties are properties which depend only on the number or concentration, not on the type, of particles.

Be able to solve problems for:

Liquids & Solids (Chapter 10)

Gases vs. Liquids vs. Solids:

Liquids: The particles of a liquid are in continuous motion, but the distances between collisions are very short compared to those of gases. Thus liquids are largely incompressible - need to increase pressure about a million-fold to halve volume. Diffusion though liquids is much slower than in gases (hours to days vs. seconds to minutes under standard conditions).

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© R A Paselk

Last modified 27 April 2015