Kinetic Theory. 1.) All matter is composed of small particles. 2.) These particles are in constant motion. Kinetic Theory. 3.) Collisions between particles are perfectly elastic (no change in total kinetic energy of the system). Physical States. States of Matter Solid Liquid Gaseous
Sodium crystallizes into a BCC structure; the unit cell has a length of 0.429nm. What is the atomic radius?
r = s(3)1/2/4 = 0.186nm
Log VP vs
Take the heat of vaporization of benzene to be 30.8 kJ/mol, vp benzene at 25oC = 92 mm Hg. What is the vapor pressure of benzene at 50oC?
241 mm Hg
Solid more dense