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Gases in Liquids

For a spontan...

Question

For a spontaneous process, if entropy and volume are constant, the internal energy of the system must ________.

A

increase

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B

decrease

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C

remain constant

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D

be zero.

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Solution

The correct option is B decrease
$d U - T d S < 0 (d S = 0)$

or

$d U < 0$ so internal energy of system decreases.

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