Answer
$$T = 360 \space K$$
Work Step by Step
1. According to the Ideal Gas Law:
$$T = \frac{PV}{nR} = \frac{( 1.3 \space atm )( 11.8 \space L )}{( 0.52 \space mol)( 0.08206 \space atm \space L \space mol^{-1} \space K^{-1} )}$$
$$T = 360 \space K$$
