18. Consider the hydrogen-oxygen fuel cell where H₂(g) + O₂(g) → H₂O(1) AG° = -237.18 kJ/mol H₂ Which of the following statements is(are) true? I. At standard conditions, the maximum work the fuel cell could do on the surroundings is 237.18 kJ/mol. At standard conditions, the cell potential is 1.23 V. More energy is dissipated as waste heat in the fuel cell than in the reversible pathway. II. III. A) I B) II C) III D) I, II, and III E) None of the statements is true.
18. Consider the hydrogen-oxygen fuel cell where H₂(g) + O₂(g) → H₂O(1) AG° = -237.18 kJ/mol H₂ Which of the following statements is(are) true? I. At standard conditions, the maximum work the fuel cell could do on the surroundings is 237.18 kJ/mol. At standard conditions, the cell potential is 1.23 V. More energy is dissipated as waste heat in the fuel cell than in the reversible pathway. II. III. A) I B) II C) III D) I, II, and III E) None of the statements is true.
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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Transcribed Image Text:18. Consider the hydrogen-oxygen fuel cell where
H₂(g) + ½ 0₂(g) — H₂O(1)
Which of the following statements is(are) true?
I.
At standard conditions, the maximum work the fuel cell could do on the
surroundings is 237.18 kJ/mol.
II.
At standard conditions, the cell potential is 1.23 V.
III. More energy is dissipated as waste heat in the fuel cell than in the reversible
pathway.
A) I
B) II
C) III
D) I, II, and III
E) None of the statements is true.
AG° = -237.18 kJ/mol H₂
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