Question

5 mole of n Ideal gas expand isothermally and irreversibl feom a pressure of 10 atm to 1 atm against a constant external pressure of 1 atm.

The work done irreversibly ($w_{irr}$) at 300 K is :-


(a) -15.921 KJ

(b) -11.224 kJ

(c) -110.83 kJ

(d) None of these


✔️✔️Proper explanation needed✔️✔️​

Answer 1

✪☙[н̲̲̅̅є̲̲̅̅y̲̲̅̅ ̲̲̅̅м̲̲̅̅α̲̲̅̅т̲̲̅̅є̲̲̅̅ ̲̲̅̅н̲̲̅̅є̲̲̅̅я̲̲̅̅є̲̲̅̅ ̲̲̅̅i̲̲̅̅s̲̲̅̅ ̲̲̅̅y̲̲̅̅σ̲̲̅̅υ̲̲̅̅я̲̲̅̅ ̲̲̅̅α̲̲̅̅и̲̲̅̅s̲̲̅̅w̲̲̅̅є̲̲̅̅я̲̲̅̅:̲̲̅̅-̲̅]☙✪

Wirr = -Pext[nRTP2−nRTP1]

Wirr = -1 x (5 x 8.314/1000 x 300) x(1x 1/10)

= -11.224 KJ

Answer 2

ANSWER:---------------

{ -1 x (5 x 8.314/1000 x 300) x(1x 1/10) =

{-11.224 KJ }

Hope it helps:--

T!—!ANKS!!!!