One mole of an ideal gas (gamma=1.4) is compressed adiabatically , so that its temperature is increased from 27^@ C " to " 35^@C If R = 8.31 J/K/mole then the change in the internal energy of the gas is :

One mole of an ideal gas (gamma=1.4) is compressed adiabatically , so

1.	One mole of an ideal gas (gamma=1.4) is compressed adiabatically , so that its temperature is increased from 27^@ C " to " 35^@C If R = 8.31 J/K/mole then the change in the internal energy of the gas is :
Answer» <html><body><p>168 J<br/>166 J<br/>83 J<br/>332 J</p>Solution :Change in <a href="https://interviewquestions.tuteehub.com/tag/internal-517481" style="font-weight:bold;" target="_blank" title="Click to know more about INTERNAL">INTERNAL</a> energy `<a href="https://interviewquestions.tuteehub.com/tag/deltau-2053495" style="font-weight:bold;" target="_blank" title="Click to know more about DELTAU">DELTAU</a> = nC_vDeltaT` <br/> `<a href="https://interviewquestions.tuteehub.com/tag/delta-947703" style="font-weight:bold;" target="_blank" title="Click to know more about DELTA">DELTA</a> = <a href="https://interviewquestions.tuteehub.com/tag/8k-340083" style="font-weight:bold;" target="_blank" title="Click to know more about 8K">8K</a>` <br/> `C_P - C_V = R` <br/> `C_P/C_V-1R/C_V` <br/> `:. C_V = R/ (r-1)` <br/> `DeltaU =(nRDeltaT)/(r-1) = (1xx8.31xx8)/(1.4-1)` <br/> `DeltaU = 166J`</body></html>