During the movie scene when the HAB Airlock exploded about 400 potatoes weighing at about 90
grams each with an initial temperature of 23°C were exposed to an unknown amount of Martian
atmosphere at -65°C. When thermal equilibrium is reached, the system has a final temperature of
-63°C. Find the mass of the Martian atmosphere in grams that would have had to enter the HAB to
freeze all of the potatoes. The specific heat of a potato is 3.39 J/g°C and the specific heat of the
Martian atmosphere is 0.19 J/g°C.
how do you find the mass ?