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MHT CET202210 Aug 2022Evening ShiftChemistryThermodynamics (C)Actual

Calculate the work done when 2 moles of an ideal gas expand from a volume of 5 dm ^3 to 7 10⁻³ ~m ^3 against a constant external pressure of 2.02 10^5 Nm ⁻² .

Options

  1. A20.2 ~kJ
  2. B202 ~kJ
  3. C-35.0 ~kJ
  4. D-404 ~kJ

Correct answer

D. -404 ~kJ

Step-by-step solution

W.D. =-P (v^2-v^1 ) aligned & =2.02 10^5(7-5) & =-404 10^3 ~J & =-404 ~kJ aligned

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