In a constant-volume process, 211 J of energy is transferred by heat to 1.05 mol of an ideal monatomic gas initially at 303 K.

(a) Find the increase in internal energy of the gas.
J

(b) Find the work done on it.
J

(c) Find its final temperature.
K

i am having trouble with this question I tried using the formaula
change in eint=nCvchange in T. This is not working becasue i only have the initial temp. Please help explain?