Question 1. [10 points) State the major difference between galvanic and electrolytic cell from point of view: a. thermodynamics [3 points) b. practical application [3 points] c. Write an equation relating the cell potential (Ecell) with the maximum work (Wmar) of a galvanic cell; what is the sign of cell potential of a spontaneous reaction? [4 points) Question 2. [10 points) a. Using the data on standard reduction potential propose a cell with the highest standard potential (E"cell) if one of the electrodes is metallic potassium. Assume that both electrodes are stable in the electrolyte. [5 points) b. Write the notation of the cell and its Nernst equation. [5 points) Question 3. a. What is the main difference of fuel cell from a rechargeable battery cell? b. Write the Nernst equation for an ideal fuel cell with the following reactions: Anode reaction: 2H2(g) 4H+ + 4e Cathode reaction: O2 (g) + 4H+ + 4e + 2H20 Overall Reaction: 2H2 (g) + O2(g) 2H2O [10 points) [5 points) [5 points) Question 4. [6 points Calculate the equilibrium constant of a cell in Question 3 if in standard conditions if E cell = 1.23 V