Answer
The change from Figure a to Figure b is spontaneous, favored by an increase in entropy. The change from Figure b to Figure c will not occur because it would result in a decrease in entropy and a non-spontaneous process.
Work Step by Step
The change from Figure a to Figure b is spontaneous, favored by an increase in entropy. The change from Figure b to Figure c will not occur because it would result in a decrease in entropy and a non-spontaneous process.