$A$ monoatomic gas is supplied heat $Q$ very slowly keeping the pressure constant. The work done by the gas will be

  • A
    $\frac{2}{3} Q$
  • B
    $\frac{3}{4} Q$
  • C
    $\frac{2}{5} Q$
  • D
    $\frac{3}{5} Q$

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