University of La Verne-x Owww.saplinglearning.com/ibi inbis/view.phpid 519247 li

Question

University of La Verne-x Owww.saplinglearning.com/ibi inbis/view.phpid 519247 ling Learning an searning ump to General Chemistry 4th Edition University Science Books preserted by Secling Leaming Using the following data | Compound i Melting point (C) | ?? n (kumol) HC HBr Hi -83.11 114.3 86.96 - 50.91 4.577 1.991 2.406 2.871 Boiling point (C) | Hve (kimon 19.54 -84.9 67. 25.18 17 .53 19.27 21.16 0 -35.38 0 calculate Sus and Sup for HI. JI K: mol JAK mol fus Determine the entropy change when 6.60 mol of HI() boils at atmospheric pressure. click to edia Number AS- 18.95 JI K There is a hint available! View the hint by clicking on the bottom divider bar. Click on the divider bar again to hide the hint. Close Previous Give Up & View Solution Check Answer Next

Explanation / Answer

dS = q/T

q = heat energy required for the process = dH of the reaction

T = absolute temeperature in K

dH for 1 moles of HI = 21.16 kJ

dH for 6.6 moles of HI = 21.16 * 6.6 = 139.656 kJ

dH for 6.6 moles of HI = 139.656 * 10^3 J

dS = 139.656*10^3/(-35.38+273) = 587.73 J/K

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