A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to a final volume of 4.50 L. The change in internal energy DeltaU of the gas in joules will be

A gas is allowed to expand in a well insulated container against a con

1.	A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to a final volume of 4.50 L. The change in internal energy DeltaU of the gas in joules will be
Answer» <html><body><p>`-500 J`<br/>`-505 J`<br/>`+505 J`<br/>`1136.25 J`</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`<a href="https://interviewquestions.tuteehub.com/tag/deltau-2053495" style="font-weight:bold;" target="_blank" title="Click to know more about DELTAU">DELTAU</a> = q + <a href="https://interviewquestions.tuteehub.com/tag/w-729065" style="font-weight:bold;" target="_blank" title="Click to know more about W">W</a>` <br/> For adiabatic process q = <a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a><br/> `DeltaU = -w = -pDeltaV` <br/> ` = -2.5 atm (4.5 - 2.5)L` <br/> ` =-5 <a href="https://interviewquestions.tuteehub.com/tag/latm-1069541" style="font-weight:bold;" target="_blank" title="Click to know more about LATM">LATM</a> = -5 xx 101.3 J = -506.5J`</body></html>