Which of the processes A-D will lead to a positive change in the entropy of the system?
A)Sodium chloride crystals form as salt water evaporates.
B)Helium gas escapes from the hole in a balloon.
C)Stalactites form in a cave.
D)Water freezes in a freezer.
E)All of these lead to a positive change in entropy of the system, because they are all spontaneous.

Question

Quizplus · Accepted Answer

The escape of helium gas from a balloon leads to a positive change in entropy because the gas particles disperse into a larger volume, increasing the disorder of the system.

Which of the Processes A-D Will Lead to a Positive