Solution: In which example does entropy increase? I. A piece of fruit freezes in liquid nitrogen. II. Librarians put library books back onto shelves at the end of the day. III. Liquid nitrogen boils in a beaker at room temperature. IV. Dry ice sublimes. V. A balloon collapses as its contents cool in liquid nitrogen. 1. I, III, IV, or V only 2. IV or V only 3. I, II, III, IV, or V 4. II only 5. IV only 6. II or III only 7. III only 8. II or IV only 9. III or IV only