Which of the following processes has a positive change in entropy? (2023)

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Question: Which of the following processes has a positive change in entropy? (2023)

Options:

Correct Answer: Melting of ice

Exam Year: 2023

Solution:

The melting of ice has a positive change in entropy as the solid structure becomes more disordered in the liquid state.

Which of the following processes has a positive change in entropy? (2023)

Which of the following processes has a positive change in entropy? (2023)

Step 1: Understand what entropy means. Entropy is a measure of disorder or randomness in a system.
Step 2: Identify the states of matter. Ice is a solid, and water is a liquid.
Step 3: Consider the process of melting. When ice melts, it changes from a solid (ordered) to a liquid (less ordered).
Step 4: Recognize that when a solid melts, the particles move more freely and are less organized.
Step 5: Conclude that since the ice becomes more disordered when it melts, this process has a positive change in entropy.

No concepts available.