1.

1 mole of helium is expanded from 1 atm to 0.1 atm at 30^(@)C. Assuming ideal behaviour, Delta S for the process is :

Answer»

`38.3 JK^(-1)`
`76.6 JK^(-1)`
`19.15 JK^(-1)`
`100 JK^(-1)`

ANSWER :C


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