Chapter 6 (Chemical Equilibrium) for Wednesday! As always… OWL Lon-Capa assignments Lecture videos Textbook Read Do text homework Chapter 6 (Chemical Equilibrium) for Wednesday!

Kinetic Molecular Theory Gases consist of particles in constant random motion. Temperature is a measure of average kinetic energy. Pressure is due to collisions of gas particles with the container.

KMT (assumptions) Assume gas particles exert no forces on each other. Assume the volume of the individual gas particles is negligible (zero). Identity of the gas doesn’t matter!

PV/nRT vs. P

a) Person 3 b) Person 4 c) Person 5 d) Person 6 e) Person 7 Clicker Question You are standing in a line with 9 other friends, evenly spaced apart. You are at one end of the line (we will call you person #1). You release laughing gas (N2O) at the exact same time the person at the other end of the line (person #10) releases the tear gas commonly referred to as CS gas (C10H5ClN2).   Assuming ideal behavior, which person is the first person to simultaneously laugh and cry? a) Person 3 b) Person 4 c) Person 5 d) Person 6 e) Person 7

Diffusion of NH3(g) and HCl(g)

Effusion

Chapter 5: Challenge Problem/OWL 147. A 16.0 -g sample of methane (CH4) reacts with 64.0 g of oxygen gas in a container fitted with a piston (at 1.00 atm and 425 K). Methane can react with oxygen to form carbon dioxide and water vapor or carbon monoxide and water vapor. After the combustion reaction is complete, the gas density at the given conditions is observed to be 0.7282 g/L. Calculate the mole fraction of methane that reacts to form carbon monoxide rather than carbon dioxide.