1.

At 27^(@)C, one mole of an ideal gas is compressed isothermally and reversibly from a pressure of 2 atm to 10 atm. The values of DeltaE andq are (R=2)

Answer»

`0, -965.84 CAL`
`-965.84 cal, + 965.84 cal`
`+ 865.58 cal, -865.58 cal`
`-865.58 cal, -865.58 cal`

SOLUTION :`W=2.303 nRTlog.(P_(2))/(P_(1))=2.303xx1xx2xx300log.(10)/(2)=965.84`at constanttemperature, `DeltaE=0`
`DeltaE=q+w=40-8=32 J`


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