Sublimation is an example of a process for which
A)ΔH is positive and ΔS is negative at all temperatures.
B)ΔH is negative and ΔS is positive at all temperatures.
C)ΔH,ΔS,and ΔG are negative at all temperatures.
D)ΔH and ΔS are positive at all temperatures.
E)ΔH,ΔS,and ΔG are positive at all temperatures.

Question

Quizplus · Accepted Answer

Sublimation, the process where a solid turns directly into a gas, requires energy input, making ΔH positive (endothermic process). It also leads to an increase in disorder as the substance moves from a more ordered solid phase to a less ordered gas phase, making ΔS positive.

Sublimation Is an Example of a Process for Which