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A gas undergoes a change of state during...

A gas undergoes a change of state during which 100J of heat is supplied to it and it does 20J of work. The system is brough back to its original state through a process during which 20 J of heat is released by the gas. What is the work done by the gas in the second process?

A

60 J

B

40 J

C

80 J

D

20 J

Text Solution

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The correct Answer is:
A
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