What Is the Change in Entropy (DS)when One Mole of Silver

question 60

Multiple Choice

What is the change in entropy (DS) when one mole of silver (108 g) is completely melted at 961 $\degree$ C? (The heat of fusion of silver is 8.82 x 10⁴ J/kg. )

• A)5.53 J/K
• B)7.72 J/K
• C)9.91 J/K
• D)12.10 J/K

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Definitions:

A Hedge

A protective barrier consisting of closely planted bushes or shrubs; metaphorically, a means to minimize risk or shield against losses.

A Disclaimer

A statement that denies something, especially responsibility, or sets forth a limitation to avoid legal or other potential liabilities.

Back-Channel Feedback

The small vocal and visual comments a listener makes while a speaker is talking, without taking over the speaking turn. This includes responses such as “Yeah,” “Huh?” “M-hmn,” head nods, brief smiles, and completions of the speaker’s words. Back-channel feedback is crucial to coordinate conversation smoothly.

Paralanguage

All the vocal aspects of speech other than words, including loudness, pitch, speed of speaking, pauses, sighs, laughter, and so on.