CHEM 342 Study Guide - Midterm Guide: Ideal Gas Law, Thermodynamics, Enthalpy
Document Summary
1. 2 state variable - variables that do not depend on the path connecting the initial and the final state. 3rd law - provides a numerical value for s. Extensive - dependent on the size of the system. 1. 3 path variables - dependent on the sequence of steps from initial to final state. 2. 1 internal energy and the 1st law of thermo. U due to the flow of q w. Energy crossing the boundaries due to a force acting through a distance w. V i wp v = p external. I t wtotal = p v + w w electrical. Work is being done on the system by the surroundings compression. Work is being done by the system on the surroundings expansion. Energy that flows across boundary due to a difference in temperature. Heat is withdrawn from surroundings and into the system heating. Heat is withdrawn from the system out into the surroundings cooling.
