For the Expansion of an Ideal Gas into a Vacuum

question 113

Multiple Choice

For the expansion of an ideal gas into a vacuum at constant temperature,ΔH = 0.What can be said about ΔE and ΔS?

• A)ΔE is negative and ΔS is positive.
• B)ΔE is zero and ΔS is positive.
• C)ΔE is negative and ΔS is zero.
• D)ΔE is positive and ΔS is negative.

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