6-Consider the first ionization of sulfurous acid: H2SO;(aq) → H* (aq) + HSO; (ag) Certain related thermodynamic data are provided below: H2SO3(aq) H*(aq) HSO; (aq) Hf kcal/mole -145.5 -151.9 S° cal/mole K 56 26 (a) Calculate the value of AG° at 25°C for the ionization reaction. (b) Calculate the value of K at 25°C for the ionization reaction. (c) Account for the signs of AS° and AH° for the ionization reaction in terms of the molecules and ions present.

6-Consider the first ionization of sulfurous acid: H2SO;(aq) → H* (aq) + HSO; (ag) Certain related thermodynamic data are provided below: H2SO3(aq) H*(aq) HSO; (aq) Hf kcal/mole -145.5 -151.9 S° cal/mole K 56 26 (a) Calculate the value of AG° at 25°C for the ionization reaction. (b) Calculate the value of K at 25°C for the ionization reaction. (c) Account for the signs of AS° and AH° for the ionization reaction in terms of the molecules and ions present.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 9RQ: What characterizes an electrolytic cell? What is an ampere? When the current applied to an...

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6. Calculate the AG for the following reaction at 25 C: (a) N2(g) + O2(g) 2NO(g) (b) H2O1) H2O(g) (c) 2C2H2(9) + 502(g) 4CO2(g) + 2H2Ou) |
Given the two reactions 1. H₂S(aq) = HS (aq) + H+(aq), K₁ = 9.46×10-8, and 2. HS (aq) = S2 (aq) +H*(aq), K₂ = 1.31×10-1⁹, what is the equilibrium constant Kfinal for the following reaction? S² (aq)+2H*(aq) H₂S(aq) Kfinal - [Select] Given the two reactions 3. PbCl₂(aq)= Pb²+(aq) +2Cl¯(aq), K3 = 1.81×10-10, and 4. AgCl(aq) Ag (aq)+CI (aq), K4 = 1.21×10-4, what is the equilibrium constant Kfinal for the following reaction? PbCl₂(aq) + 2Ag+ (aq) = 2AgCl(aq) + Pb2+(aq) Kfinal = [Select]