For $1 \text{ mole}$ of an ideal gas expanding isothermally from $1 \text{ L}$ to $10 \text{ L}$ at $300 \text{ K}$,the value of $\Delta U$ is: $(R = 2 \text{ cal mol}^{-1} \text{ K}^{-1})$

  • A
    $163.7 \text{ cal}$
  • B
    $0 \text{ cal}$
  • C
    $1381.1 \text{ cal}$
  • D
    $9 \text{ L-atm}$

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