The overall reaction and equilibrium constant value for a hydrogen-oxygen fuel cell at 298 K is given below.2 H₂(g) + O₂(g) → 2 H₂O(l)K = 1.34 x 1083(a) Calculate and AG at 298 K for the fuel-cell reaction.Vk]80AGO(b) Predict the signs of AH° and AS for the fuel-cell reaction.AH°:O positive.O negativeAS°:positiveO negative(c) As temperature increases, does the maximum amount of work obtained from the fuel-cell reaction increase, decrease, or remain the same? Explain.Since AS is ---Select---, as T increases, AG becomes more ---Select--- . Therefore, the maximum work obtained will ---Select---as T increases.ASK YOUR TEACH

Given: 2H2(g)+O2(g)→2H2O(l) The temperature (T) is 298 K. The equilibrium constant (K) is 1.34×1083.

80 (a) Calculate and AG at 298 K for the fuel-cell reaction. V KJ AG AH°: 2 H₂(g) + O₂(g) → 2 H₂O(1) K = 1.34 x 1083 (b) Predict the signs of AH and AS for the fuel-cell reaction. rum constant value for a hydrogen-oxygen fuel cell at 298 K is given below. O positive O negative AS°: Opositive O negative (c) As temperature increases, does the maximum amount of work obtained from the fuel-cell reaction increase, decrease, or remain the same? Explain. Since AS is ---Select--- B, as T increases, AG becomes more ---Select--- 8. Therefore, the maximum work obtained will ---Select--- Bas T increases.

80 (a) Calculate and AG at 298 K for the fuel-cell reaction. V KJ AG AH°: 2 H₂(g) + O₂(g) → 2 H₂O(1) K = 1.34 x 1083 (b) Predict the signs of AH and AS for the fuel-cell reaction. rum constant value for a hydrogen-oxygen fuel cell at 298 K is given below. O positive O negative AS°: Opositive O negative (c) As temperature increases, does the maximum amount of work obtained from the fuel-cell reaction increase, decrease, or remain the same? Explain. Since AS is ---Select--- B, as T increases, AG becomes more ---Select--- 8. Therefore, the maximum work obtained will ---Select--- Bas T increases.

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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