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A sample of argon gas at 1atm pressure a...

A sample of argon gas at `1atm` pressure and `27^(@)C` expands reversibly and adiabatically from `1.25 dm^(3)` to `2.50 dm^(3)`. Calculate the enthalpy change in this process. `C_(vm)` for orgon is `12.48J K^(-1) mol^(-1)`.

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The correct Answer is:
`(-116.4 J)`
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A sample of organ gas at 1atm pressure and 27^(@)C expands reversibly and adiabatically from 1.25 dm^(3) to 2.50 dm^(3) . Calculate the enthalpy change in this process. C_(vm) for orgon is 12.48J K^(-1) mol^(-1) .

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