Latent heat, energy absorbed or released by a substance during a change in its physical state (phase) that occurs without changing its temperature.
The final temperature is 83 K.
<u>Explanation</u>:
For an adiabatic process,


Given:-



(the gas is monoatomic)

T = 275
0.30
T = 83 K.
They are positive and remain inside the nucleus.
The answer to this is aluminum foil.