The equation of state for a gas is given by $PV = nRT + \alpha V$,where $n$ is the number of moles and $\alpha$ is a positive constant. The initial temperature and pressure of one mole of the gas contained in a cylinder are $T_0$ and $P_0$ respectively. The work done by the gas when its temperature doubles isobarically will be

  • A
    $\frac{P_0 T_0 R}{P_0 - \alpha}$
  • B
    $\frac{P_0 T_0 R}{P_0 + \alpha}$
  • C
    $P_0 T_0 R \ln 2$
  • D
    $P_0 T_0 R$

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