An Ideal Gas Is Allowed to Undergo a Free Expansion

question 31

Multiple Choice

An ideal gas is allowed to undergo a free expansion. If its initial volume is V1 and its final volume is V2, the change in entropy is:

• A)nR ln (V2/V1)
• B)nRT ln (V2/V1)
• C)nk ln (V2/V1)
• D)0
• E)nR V2/V1