CHE 106 Lecture Notes - Lecture 22: Atmospheric Pressure, Combined Gas Law, Ideal Gas

• School: Syracuse University
• Department: Chemistry
• Course: CHE 106
• Professor: J.French

Document Summary

Gases : fills its container, will take the shape of the container, no defined shape/volume, Che 106 lecture 22: 10. 1-10. 5 easily compressible, molecules are far apart. Pressure (p) : force exerted per unit area. Atmospheric pressure at earth"s surface comes from the force of gravity on a mass of air. P = g x d x h. Pressure = constant acceleration of gravity x density of liquid x height. Boyle"s law : volume of a sample varies inversely with applied pressure. Volume inversely related to pressure (mols and temp stay the same) Charles" law : volume occupied by any sample of gas at a constant pressure; pressure is directly proportional to our temperature. A sample of methane gas that has a volume of 3. 8 l at 5. 0 c is heated to 86. 0 c at constant pressure. 5 deg c 278 deg c. 86 deg c 359 deg c. Vf = (3. 8 l)(359 k) / (278 k)