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

question 62

Multiple Choice

One mole of an ideal gas at 25°C is expanded isothermally from 5.0 L to 10.0 L under such conditions that no work is produced in the surroundings. Which statement is correct?

• A) (  S_gas = 0)
• B) (  S_gas = Rln2/298)
• C) (  S_surr = 0)
• D) (  S_univ = 0)
• E) (  S_gas =  S_surr)