University College - Chemistry Chem 402 Study Guide - Midterm Guide: Isothermal Process, Boiling Point, Reduced Mass

• School: WUSTL
• Department: University College - Chemistry
• Course: University College - Chemistry Chem 402
• Professor: Barnes Alexander

Document Summary

Key concepts: relative energy state populations, probability of finding a molecule with energy (cid:3036, (cid:3017)(cid:3284)(cid:3017)(cid:3285)=(cid:3032) (cid:3284)(cid:3286) (cid:3032) (cid:3285)(cid:3286)=(cid:1857) (cid:4666)(cid:3284) (cid:3285)(cid:4667) (cid:3286) If v < 0 (compression), surroundings does work to system (w > 0) If v > 0 (expansion), system does work on the surroundings) (w < 0: sign convention for heat and work, for work, for heat, heat capacity. If heat enters the system, then q is positive. Energy cannot be created or destroyed in the universe. Entropy increases in the universe as a whole with time. Puts a # to entropy: describing a system requires. 100% heat to work conversion can only occur at 0k. You can"t get to 0k: macroscopic properties to study, extensive properties: depend on the size of the system (n, m, v, ) ](cid:1846), where r = (cid:2922)i(cid:2923)(cid:3291) (cid:3116)(cid:4666)(cid:3043)(cid:3023) (cid:4667)(cid:3291)=(cid:3118)7(cid:3119). (cid:3117)5 (cid:2870)(cid:2875)(cid:2871). (cid:2869)(cid:2874: state vs. =(cid:4672)(cid:2872) (cid:4673)(cid:3117)(cid:3118: one degree of freedom: (cid:1869)(cid:3047)(cid:3045)(cid:3028)(cid:3041)(cid:3046),(cid:3051)= (cid:1857) (cid:3041)(cid:3118)(cid:1856)(cid:3051) (cid:4667)(cid:2871)/(cid:2870, 3 degrees of freedom: (cid:1869)(cid:3047)(cid:3045)(cid:3028)(cid:3041)(cid:3046)(cid:4666)(cid:1848),(cid:1846)(cid:4667)=(cid:1848) (cid:4666)(cid:2870)(cid:3040)(cid:3038)(cid:3021) (cid:3118)