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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

`60J`

B

`40J`

C

`80J`

D

`20J`

Text Solution

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The correct Answer is:
A
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