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Q: The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 dm3 at 27°C is to a volume of 100 dm3

  • 1
    42.3 J/ mole / K
  • 2
    38.3 J/ mole / K
  • 3
    35.8 J/ mole / K
  • 4
    32.3 J/ mole / K
  • Show Answer
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Answer : 2. "38.3 J/ mole / K"
Explanation :

Answer: B) 38.3 J/ mole / K Explanation: ∆s=nRlnv2v1  =2.303 nR logv2v1 = 2.303×2×8.314×log10010 = 38.3 J mol-1k-1

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