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An ideal gas expands in volume from 1 10⁻³ ~m ^3 to 1 10⁻² ~m ^3 at 300 ~K against a constant pressure of 1 10^5 Nm ⁻² . The work done is

Options

  1. A-900 ~J
  2. B900 ~kJ
  3. C2780 ~kJ
  4. D-900 ~kJ

Correct answer

A. -900 ~J

Step-by-step solution

Work done =-P( V) =-1 10^5 [10⁻²-10⁻³ ]=-900 ~J

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