A selected flask with a capacity of \( 2 \, \text{dm}^3 \) contains \( 11 \, \text{g} \) of propane gas. The flask is so weak that it will burst if the pressure becomes \( 2 \, \text{MPa} \). The minimum temperature at which the flask will burst is ________ \( ^\circ\text{C} \). [Nearest integer]
(Given : \( R = 8.3 \, \text{J K}^{-1} \text{ mol}^{-1} \), Atomic masses of C and H are \( 12u \) and \( 1u \), respectively) (Assume that propane behaves as an ideal gas)
