2 moles of gas contained in a four litre flask exerts a pressure of Il atm at 27^@C. If vander Waals parameter bis 0.05 l/mol, the value of 'a' (in atm "lt"^(2) "mol"^(-2)) is

2 moles of gas contained in a four litre flask exerts a pressure of Il

1.	2 moles of gas contained in a four litre flask exerts a pressure of Il atm at 27^@C. If vander Waals parameter bis 0.05 l/mol, the value of 'a' (in atm "lt"^(2) "mol"^(-2)) is
Answer» <html><body><p>6.46 <br/>3.23 <br/>`<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>.0`<br/>`1.23` </p>Solution :`n = 2, <a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a> = 4, P = <a href="https://interviewquestions.tuteehub.com/tag/11-267621" style="font-weight:bold;" target="_blank" title="Click to know more about 11">11</a>, T = 300 K , b = 0.05` <br/> `(P + (an^2)/(V^2)) (V - nb) = nRT` <br/>`(11 + (a <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> 4)/(10)) (4 - 2 xx 0.05) = 2 xx 0.0821 xx 300` <br/>`= 11 + a/4 = 12.6 implies a = 6.4`.</body></html>