Show transcribed image text 4-1. Several processes are described. Indicate whether each is reasonably modeled as reversible, and if not, indicate what aspect of the process makes it irreversible. A. The inside of a refrigerator is at exactly 31.9°F. A glass of room temperature water is placed inside the refrigerator and left there until it is frozen. B. The inside of a refrigerator is at exactly 31.9°F. A glass containing an equilibrium mixture of ice and water is placed inside the refrigerator and left there until it is frozen. C. The inside of a refrigerator is at exactly 32.1°F. A glass containing an ice-water mixture is placed inside the refrigerator and left there until the ice is all melted. D. A diver is 1000 feet below the surface of the ocean, where the pressure is 31 atm. She rap- idly ascends to the surface, where the pressure is 1 atm E. A diver is 1000 feet below the surface of the ocean, where the pressure is 31 atm. Over a pe- riod of half an hour she gradually ascends to the surface, where the pressure is 1 atm