Consider a system consisting of 1 mol of a monoatomic gas contained in a piston. What is the temperature change of the gas if q = 50 J and W = -100 J? (Given : $$R = 8.31 JK^{-1} mol^{-1}$$)

A

$$-12^{\circ}C$$

B

$$-4^{\circ}C$$

C

$$4^{\circ}C$$

D

$$12^{\circ}C$$