Five moles of an ideal gas at 300 K, expanded isothermally from an intinal pressue of 4 atm to a final pressure of 1 atm against a cont. ext pressure

Question

Five moles of an ideal gas at 300 K, expanded isothermally from an intinal pressue of 4 atm to a final pressure of 1 atm against a cont. ext pressure

Five moles of an ideal gas at 300 K, expanded isothermally from an intinal pressue of 4 atm to a final
pressure of 1 atm against a cont. ext pressure of 1 atm . Calculate `q ,w, DeltaU` & `DeltaH`. Calculate the
corresponding of all if the above process is carried out reversibly .

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `W_("irr") = - 9353.25, W_("rev") = - 17288.47 J, DeltaU = DeltaH = 0`
`W_("irr") = - P_("ext")[DeltaV]= -P_("ext")((nRT)/(P_(2))(nRT)/(P_(1)))`
` =- P_("ext") xx nRT [1-(1)/(4)]`
`= 9353.25 J`
`W_("rev") =- 2.303 nRT log .(P_(1))/(P_(2)) = - 17288. 47 J`
`DeltaU = 0," "DeltaH = 0`

6 views Answered 2023-02-05 15:29