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» 168 J 166 J 83 J 332 J Solution :Change in INTERNAL energy `DELTAU = nC_vDeltaT` `DELTA = 8K` `C_P - C_V = R` `C_P/C_V-1R/C_V` `:. C_V = R/ (r-1)` `DeltaU =(nRDeltaT)/(r-1) = (1xx8.31xx8)/(1.4-1)` `DeltaU = 166J`