CH 301 Lecture Notes - Lecture 1: Ideal Gas Law, Ideal Gas, Molecular Mass
Document Summary
Gases have low density, low viscosity, expand and contract greatly with temperature change, and distribute uniformly throughout a container. If you keep the temperature the same, the average kinetic energy and rms remain constant. Pressure is inversely proportional to volume at constant temperature. Volume is directly proportional to temperature at constant pressure. Volume of gas is directly proportional to the amount of gas at constant temperature and pressure. Equal volumes of all gases, at the same temperature and pressure, have the same number of molecules. Satp: 25 oc (298. 15 k), 1 bar pressure. Standard molar volume: volume of 1 mole of an ideal gas at stp = 22. 4 l. Number density: number of particles present in a given volume. With the same p, v, t- all different gasses have the same number density. Number density is not related to the identity of a gas.
