Chapter 1 Lesson 3 Mrs. Brock RJMS

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Presentation transcript:

Chapter 1 Lesson 3 Mrs. Brock RJMS The Behavior of Gases Chapter 1 Lesson 3 Mrs. Brock RJMS

A. Kinetic Molecular Theory Particles in an ideal gas… have no volume. have elastic collisions. are in constant, random, straight-line motion. don’t attract or repel each other. have an avg. KE directly related to Kelvin temperature.

B. Real Gases Particles in a REAL gas… have their own volume attract each other Gas behavior is most ideal… at low pressures at high temperatures in nonpolar atoms/molecules

C. Characteristics of Gases Gases expand to fill any container. random motion, no attraction Gases are fluids (like liquids). no attraction Gases have very low densities. no volume = lots of empty space

C. Characteristics of Gases Gases can be compressed. no volume = lots of empty space Gases undergo diffusion & effusion. random motion

E. Pressure Which shoes create the most pressure?

II. The Gas Laws BOYLES CHARLES GAY-LUSSAC Gases II. The Gas Laws BOYLES CHARLES GAY-LUSSAC P V T

A. Boyle’s Law P V PV = k

A. Boyle’s Law The pressure and volume of a gas are inversely related at constant mass & temp P V PV = k

B. Charles’ Law V T