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MHT CET202122 Sep 2021Morning ShiftChemistryThermodynamics (C)Actual

1 mole of an ideal gas expands isothermally and reversibly by decreasing pressure form 210 kPa to 105 kPa at 300 ~K . What is the work done? ( R =8.314 JK ⁻¹ ~mol ⁻¹ )

Options

  1. A1960 J
  2. B864 J
  3. C1296 J
  4. D1729 J

Correct answer

D. 1729 J

Step-by-step solution

For Isothermal reversible process, aligned & W =-2.303 nRT P ₁ P ₂ & =-2.303 1 8.314 300 210 105 & =-2.303 8.314 300 2 & =-1729 ~J ( 2=0.3010) & | W |=1729 ~J aligned

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