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## Homework Statement

Box divided by a partition into two equal compartments containing ideal gas.

Each compartment is having volume V ,temp T and pressure P

1.entropy of the system when the partition is given?

2.entropy of the system when the partition is removed.

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## Homework Equations

## The Attempt at a Solution

For the first part I have tried from 1st law Tds=C

_{v}dt+Pdv

And solving S becomes C

_{v}lnT +RlnV

Is it right?

For the second part I need some hints to actually proceed

Thanks[/B]