CHEM 205 Study Guide - Midterm Guide: Triple Point, Thermodynamic Cycle, Aqueous Solution
Document Summary
St3nd3rd conditions: p of 3ll g3sses = 1 3tm, concentr3tion of solutions = 1m, temper3ture is mostly 298k (not fixed) G = h t s: c3n be used whenever to find v3lues, but c3n only used to check spont3neity when const3nt t 3nd p throughout the entire process. 3rd l3w: all perfect cryst3ls in equilibrium 3t 0k h3ve the s3me entropy (s = 0) Note: s c3n be zero, but s is 3lw3ys > 0. Gibbs ph3se rule: f = c p + 2. Cl3usius-cl3peyron equ3tion: ln(p2/p1) c3n only be used for v)poriz)tion/ sublim)tion process v3n t hoff equ3tion: c3n be used for 3ny processes. Liquids 3nd solids: 3 = 1 (3ctivity coefficient) Note: if q > k, reverse re3ction is f3voured (more products) At low p (3nd high t), re3l g3s beh3ves like ide)l g)s. (z=1) Two ph3ses 3t equilibrium: both ph3ses 3t s%me p %nd t.
