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Which of the following processes would not result in an entropy increase for the indicated system? a. Melting of an ice cube b. Evaporation of a sample of an alcohol c. Sublimation of a mothball d. Cooling of hot water to room temperature

Name: Problem 20, Chapter 17: Chemistry The Science in Context
Uploaded: 2020-05-13T18:28:29-08:00
Duration: 1 min 50 s
Channel: Cevannah Coleman
Description: Which of the following processes would not result in an entropy increase for the indicated system? a. Melting of an ice cube b. Evaporation of a sample of an alcohol c. Sublimation of a mothball d. Cooling of hot water to room temperature

   Which of the following processes would not result in an entropy increase for the indicated system?
a. Melting of an ice cube
b. Evaporation of a sample of an alcohol
c. Sublimation of a mothball
d. Cooling of hot water to room temperature

Chemistry The Science in Context

Thomas R. Gilbert 5th Edition

Chapter 17, Problem 20

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Solved by Expert Cevannah Coleman

05/13/2020

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Entropy is a measure of the disorder or randomness of a system. The more disordered a system is, the higher its entropy. Show more…

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Which of the following processes would not result in an entropy increase for the indicated system? a. Melting of an ice cube b. Evaporation of a sample of an alcohol c. Sublimation of a mothball d. Cooling of hot water to room temperature

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Key Concepts

Entropy

Entropy is a measure of the disorder or randomness in a system. It quantifies the number of microstates that a system can occupy and is a central concept in understanding the direction of spontaneous processes in thermodynamics.

Phase Transitions

Phase transitions, such as melting, evaporation, and sublimation, typically involve a change in the state of matter and an increase in molecular disorder. These processes usually lead to an increase in entropy as the system moves from a more ordered phase (solid or liquid) to a less ordered phase (liquid or gas).

Cooling Processes

Cooling processes involve the removal of thermal energy from a system, which often results in a decrease in molecular motion and, consequently, a decrease in entropy. In contrast to phase transitions that increase entropy, cooling a system generally leads to a reduction in its entropy.

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