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Anusha Sumit Jacob
Asked: 2022-11-09T09:48:18+05:30 In:

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` and q are (R=2)
A. `0, -965.84 cal`
B. `-965.84 cal, + 965.84 cal`
C. `+ 865.58 cal, -865.58 cal`
D. `-865.58 cal, -865.58 cal`

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` and q are (R=2)
A. `0, -965.84 cal`
B. `-965.84 cal, + 965.84 cal`
C. `+ 865.58 cal, -865.58 cal`
D. `-865.58 cal, -865.58 cal`
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1 Answer

  1. Correct Answer – A
    `W=2.303 nRTlog.(P_(2))/(P_(1))=2.303xx1xx2xx300log.(10)/(2)=965.84` at constant temperature, `DeltaE=0`
    `DeltaE=q+w=40-8=32 J`

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