Why does the entropy of a gas increase when it expands into a vacuum?

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The entropy of a gas decreases when it expands into a vacuum because the number of possible states decreases .

The entropy of a gas increases when it expands into a vacuum because the number of possible states increases .

The entropy of a gas decreases when it expands into a vacuum because the number of possible states increases .

The entropy of a gas increases when it expands into a vacuum because the number of possible states decreases .

 

asked Mar 5, 2012 in General Chemistry by yoshi ~Expert~ (919 points)
    

1 Answer

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Best answer

The entropy of a gas increases when it expands into a vacuum because the number of possible states increases .

answered Mar 5, 2012 by pokemonmaster ~Expert~ (3,856 points)
selected Mar 5, 2012 by yoshi

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