n moles of a gas expands from volume V(1...

n moles of a gas expands from volume `V_(1)` to `V_(2)` at constant temperature T. The work done by the gas is

`nRT[upsilon_(2)/upsilon_(1)]`

`nRT[upsilon_(2)/upsilon_(1)-1]`

`nRT" In"[upsilon_(2)/upsilon_(1)]`

`nRT" In"[upsilon_(2)/upsilon_(1)+1]`

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