One Mole of an Ideal Gas at 25°C Is Expanded

question 89

Multiple Choice

One mole of an ideal gas at 25°C is expanded isothermally and reversibly from 125.0 L to 250.0 L. Which statement is correct?

• A) ΔS_gas = ΔS_surr
• B) ΔS_gas = Rln2
• C) ΔS_gas = 0
• D) ΔS_univ = 0
• E) ΔS_surr = 0

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Definitions:

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Ottoman Empire

A historical empire founded at the end of the 13th century in northwestern Anatolia by the Oghuz Turkish tribal leader Osman I, which at its peak spanned three continents, including parts of Southeast Europe, Western Asia, and North Africa.

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A sovereign country located off the northwestern coast of mainland Europe, comprising England, Scotland, Wales, and Northern Ireland, known for its global influence in politics, culture, and economy.

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