Thermodynamics and an Introduction to Thermostatistics 7, Exercises of Chemistry

Download Thermodynamics and an Introduction to Thermostatistics 7 and more Exercises Chemistry in PDF only on Docsity! 4 Lem © ee ROBLEM cn Haas . - . - releal . } 5 Nor 6 ) The bged AWB rent! ‘at i fe ety a 6) Kor fe begud 3 [rar ér kn Op A An Foc fre gaa pee fad 6 ty? Rode P4 eee Rr bo a9 v 3. . (“8 . Hg a Rt fo Py = Pp, c fepe AB Une, ye Liha we haut, pure. A, prawn aap Par & cveper P* above pao A YE of ae = pda pr be hy . of og aa RT hon Fy = Ay -w Similéwls for & + When xg t O95, Eben WR Ro RT Be A = ng? eat te fy of os RT En ag =~ Cra od er bn by eye - Rr he Py anal | Lh prin an = RY 4%) PRobLEM L conrimvea ann Sieri fark, Ar & AT he og ard RT Ooo, Cam be rend off of fing é Pll for BGanie wsimp fhe mberceph rue | arte o3 From He plok, we cam ewhwae ans 0.4) 6 Py= ag he = by re ® ohn Py = ag Bo = 8.3 x00 abe Lane a= 0.83 Problem 4 (Level 1) concentration Gibbs free energy PRobLe L (cover 2) Pete ta & Ac Coe farm or an ordered campound at fow FT ome samdal Selid Sotufon ab hgh TT c) emi ome 4 male of Cx and Lo wol of An et onset k ¥ a8Sume (lal Sola br. <> | 36 sax = Rr [nko x + Ci-x) Lax ] ishere xX is th Aan ContanWebin. avo rt = oO. BG uy = ~6824F Vora! T = liseck % Serce dole of Cn avd L wok of An —_ 2 moles of paixhuag E = 2x O6n, = ~13 254 a] 6) For ordered Compourd , AG AH Gay bugs Ca Auge AS, Aye = ~ ier Vel (see AS, =e ab fhe (first-order) order disorder Vensiban , 296. hing = 2G omni This ocours at [Faves K Progeem 4 (Lever 2.) con NED ¢ Tn AGmiy for He Solid Selation , we neg leated! AH ig. Site, phis Syshwm has arderrp Fencemeter, 4H an SO Pacemcsttemageel. Trelation of & regokie AH BB in park &) wih decrease Pte Calculated fromsihon bewperchwe PRegle m 2 The icleol Solu hon en kopy formule, te a belter appranma hin at hugh Tewperahare . Far phe. teat Salufon eubropy formmla ch is assumeol thah avery AL Come erent of A and Balms are equally probable . Da reality, This ip nad bene. Sime the Probe bs Aly of an a VOL rear. > is -€ Pim exp( 7) Since different Artomge ments DP eancl fg ptealty have different ener gies, P, ~(E9-E. Pn This rahe dees, however approach 4 aS T Os increased, PRogtem 4 (Lever 2) sy Gibbs free energy (J/mol) Achvities For & 4 RT hey = BC IH2) RT Bn x bo ag = ws hn x -200 -400 -600 -800 0.2 04 0.6 x = concentration of B specie chemical potential (J/mol) chemical potential (J/mol) 5000 -5000 ~10000 -15000 -20000 5000 -5000 -10000 -15000 -20000 -25000 -30000 x = concentration of B CHyemicde PsTEmn AL 8 Mg T T T T Ky J t 1 | 1 0 0.2 0.4 0.6 | 0.8 1 x = concentration of specie B T t T T a NAM, \ pers | + 4 4 i J 1 1 \ 0 0.2 0.4 0.6 0.8 4 activity of B i 0 0.2 0.4 0.6 x = concentration of B 0.8