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During an isothermal expansion, a confin...

During an isothermal expansion, a confined ideal gas does `-150 J` of work aginst its surroundings. This implies that

A

150 J of heat has been added to the gas.

B

150 J of heat has been removed from the gas.

C

300 J of heat has been added to the gas.

D

No heat is transferred because the process is isothermal.

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The correct Answer is:
B
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