One Mole of an Ideal Gas Undergoes a Reversible Isothermal

question 22

Multiple Choice

One mole of an ideal gas undergoes a reversible isothermal expansion from a volume of 1 L to a volume of 2 L.The change in entropy of the gas in terms of the universal gas constant R is

• A)R/2
• B)2R
• C)R ln(2)
• D)R ln(½)
• E)None of these is correct.