Two moles of an ideal gas `(C_(V) = (5)/(2)R)` was compressed adiabatically against constant pressure of 2 atm . Which was initially at 350 K and 1 at

Question

Two moles of an ideal gas `(C_(V) = (5)/(2)R)` was compressed adiabatically against constant pressure of 2 atm . Which was initially at 350 K and 1 at

Two moles of an ideal gas `(C_(V) = (5)/(2)R)` was compressed adiabatically against constant pressure of 2 atm .
Which was initially at 350 K and 1 atm pressure. The work involve in the process is equal to.
A. `250 R`
B. `300 R`
C. `400 R`
D. ` 500 R`

Monjur Alahi

7 views

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 - D
`nC_(V)(T_(2)-T_(1)) = - P_(ext) xx nR [(T_(2))/(P_(2))-(T_(1))/(P_(1))]`
`T_(2) = (9)/(7) T_(1) rArr w = 2 xx (5)/(2) xx R [(9)/(7) T_(1)- T_(2)] = 500 R`

7 views Answered 2023-02-05 15:29