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A system consists of a gas contined in a...

A system consists of a gas contined in a thin ballon. If the ballon deflates as the temperature of the gas changes from `90^(@)C "to"25^(@)C`, then:

A

Heat is transferred out of the system and work is done on the system.

B

Heat is transferred out of the system and work is done by the system.

C

Heat is transferred into the system and work is done by the system.

D

Heat is transferred into the system and work is done the system

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The correct Answer is:
A
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