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Physics / Sears and Zemansky's University Physics with Modern Physics 13 / Chapter 20 / Problem 34E

Sears and Zemansky's University Physics with Modern Physics | 13th Edition | ISBN: 9780321696861 | Authors: Hugh D. Young; Roger A. Freedman; A. Lewis Ford

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Answer: CALC A lonely party balloon with a volume of 2.40

Chapter 20, Problem 34E

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QUESTION:

Problem 34E

CALC A lonely party balloon with a volume of 2.40 L and containing 0.100 mol of air is left behind to drift in the temporarily uninhabited and depressurized International Space Station. Sunlight coming through a porthole heats and explodes the balloon, causing the air in it to undergo a free expansion into the empty station, whose total volume is 425 m3. Calculate the entropy change of the air during the expansion.

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QUESTION:

Problem 34E

CALC A lonely party balloon with a volume of 2.40 L and containing 0.100 mol of air is left behind to drift in the temporarily uninhabited and depressurized International Space Station. Sunlight coming through a porthole heats and explodes the balloon, causing the air in it to undergo a free expansion into the empty station, whose total volume is 425 m3. Calculate the entropy change of the air during the expansion.

ANSWER:

Solution 34E

Step 1:

For a free expansion

$\Delta{}S=nRln({V}_{2}/{V}_{1})$

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