Question

T=20 degrees Celsius, T= 273.13+20=293.13

Delta G= Delta H - T×Delta S.
1.What is delta S Using the tables i have provided?
2. What is the significance of the sign Delta S?
*PLEASE SHOW ALL CALCULATIONS*

uBBOsty Part III. Entropy Calculations 1. Use your average AHo and A Go values in The Gibbs-Helmholtz equation (1) to calculate and average ASo value. Also, incorporate your ± values to calculate the precision for Δ. What is the significance of the sign for Δ57 (AS° values are usually listed as J/mole K.) Reference: C. Liberko and S. Terry, J. Chem. Ed. 2001, 78, 1087 Mass water, g Mass urea, g Tnab °C Tosma C T 15min. C 30.00 .00 30,00 L830-1 o. 18.0 13.6 ec 17.2 17,7 7, 8 T 23 mC 7.2 17.2 3.7。 H4.0 3.2' al 29 Migo) (CEDO) (AT) Mard 47 9.075 QR 5.51-1352 ΔΗΡ Average AHP 一4,515 7 Average Deviat5 Part II. Free Energy Measurements Mass cylinder, g 4.037 35. 133 7 28,45679 |375345 Mass cyl + urea. 88, Mas yl urea. tio, s 31592143102 Solution volume, mL Mass H20. g Moles H,O 3,13, 13.586 0.1739 0-1990 I:O) in urea sol 35.46936.120 . er0.379 .66410 IH.0] urea sol'n 110 pure Mass urea, g 0. 4073 842942 8.2449742 urea 5.8 797 Average AG 6.0567 Average Deviation

Answer 1

293.1 293. AS-0.026 2-