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NEET2024ChemistryThermodynamics (C)Actual

The work done during reversible isothermal expansion of one mole of hydrogen gas at 25^ C from pressure of 20 atmosphere to 10 atmosphere is (Given R =2.0 cal K ⁻¹ ~mol ⁻¹ )

Options

  1. A-413.14 calories
  2. B413.14 calories
  3. C100 calories
  4. D0 calorie

Correct answer

A. -413.14 calories

Step-by-step solution

aligned W_ rev, iso & =-2.303 n R T P_i P_f & =-2.303 1 2 298 2 & =-2.303 1 2 298 0.3 & =-413.14 calories aligned

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