A sample containing 2.0 moles of He is expanded from 22.8 to 31.7 dm3 at 22deg...

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A sample containing 2.0 moles of He is expanded from 22.8 to 31.7 dm3 at 22\deg C (isothermally) against zero external pressure. Calculate Q, W, \Delta U and \Delta H. Do the parameters change if the expansion occurs reversibly or against constant external pressure? A sample containing 2.0 moles of He is expanded from 22.8 to 31.7 dm3 at 22\deg C (isothermally) against zero external pressure. Calculate Q, W, \Delta U and \Delta H. Do the parameters change if the expansion occurs reversibly or against constant external pressure?

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For an isothermal expansion of an ideal gas we can use the following equations Work done W in an iso... View the full answer