One Mole of an Ideal Gas Expands Reversibly and Isothermally

question 51

Multiple Choice

One mole of an ideal gas expands reversibly and isothermally at temperature T until its volume is doubled.The change of entropy of this gas for this process is:

• A)R ln 2
• B)(ln 2)/T
• C)0
• D)RT ln 2
• E)2R

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