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Calorimetry

A perfect gas...

Question

A perfect gas contained in a cylinder is kept in vacuum. If the cylinder suddenly bursts, then the temperature of the gas:

A

Remains constant

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B

Becomes zero

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C

Increases

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D

Decreases

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Solution

The correct option is B Remains constant
During the free expansion of a perfect gas no, work is done and also no heat is supplied from outside. Therefore, no change in internal energy. Hence, the temperature remains constant.

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