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Given the two reactions 1. H₂S(aq) = HS- (aq) + H+ (aq), K₁=9.64x108, and 2. HS (aq)-S2- (aq) + H+ (aq), K₂=1.18x10-19, what is the equilibrium constant Kfinal for the following reaction? S2-(aq) + 2H+ (aq) = H₂S(aq)

Given the two reactions 1. H₂S(aq) = HS- (aq) + H+ (aq), K₁=9.64x108, and 2. HS (aq)-S2- (aq) + H+ (aq), K₂=1.18x10-19, what is the equilibrium constant Kfinal for the following reaction? S2-(aq) + 2H+ (aq) = H₂S(aq)

Chemistry
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Learning Goal: To understand how to calculate the equilibrium constants for chemical equations that can be produced by the addition of other chemical equations with known equilibrium constants. For a chemical reaction equation with the general form aA+bB=cC + dD the equilibrium equation is given by [C] [D]ª [A][B] K₁ = Thus, for a chemical reaction equation with the general form cC+dD=eE+fF the equilibrium equation is given by EF [CD If the first two equations are added together such K₂ = Part A Given the two reactions 1. H₂S(aq) = HS- (aq) + H+ (aq), 2. HS- (aq) = S2(aq) + H+ (aq), what is the equilibrium constant Kfinal for the following reaction? Enter your answer numerically. ▸ View Available Hint(s) Kfinal Submit Part B [Π ΑΣΦ P Pearson K₁=9.64x10-8, and K₂=1.18x10-19, e S2-(aq) + 2H+ (aq) = H₂S(aq) O Revie ? Copyright © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permis
Transcribed Image Text:Learning Goal: To understand how to calculate the equilibrium constants for chemical equations that can be produced by the addition of other chemical equations with known equilibrium constants. For a chemical reaction equation with the general form aA+bB=cC + dD the equilibrium equation is given by [C] [D]ª [A][B] K₁ = Thus, for a chemical reaction equation with the general form cC+dD=eE+fF the equilibrium equation is given by EF [CD If the first two equations are added together such K₂ = Part A Given the two reactions 1. H₂S(aq) = HS- (aq) + H+ (aq), 2. HS- (aq) = S2(aq) + H+ (aq), what is the equilibrium constant Kfinal for the following reaction? Enter your answer numerically. ▸ View Available Hint(s) Kfinal Submit Part B [Π ΑΣΦ P Pearson K₁=9.64x10-8, and K₂=1.18x10-19, e S2-(aq) + 2H+ (aq) = H₂S(aq) O Revie ? Copyright © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permis
Expert Solution
Step 1

Answer:

In this question by using equilibrium constant expression for various reaction we have to establish a relation between K1, K2 and Kfinal.

Given data:

K1=9.64×10-8K2=1.18×10-19

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