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5 mole of an ideal gas expand isothermal...

5 mole of an ideal gas expand isothermally and irreversibly from a pressure of 10 atm to 1 atm against a constant external pressure of 1 atm. `w_(irr)` at 300 K is :

A

`-15.921KJ`

B

`-11.224KJ`

C

`-110.83KJ`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`w=-P(V_(2)-V_(1))=-PnRT((1)/(P_(2))-(1)/(P_(1)))`
`w=-(1xx5xx8.314xx300((1)/(1)-(1)/(10)))/(1000)KJ`
`w=-11.224KJ`
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