Question: An unknown mass of each of the following substances, initially at 24.0 C, absorbs 1920 J of heat. The final temperature is recorded as indicated. Find the mass of each substance.
a) Pyrex glass (Tsubf=55.7 C)
b) Sand (Tsubf=62.2 C)
c) Ethanol (Tsubf=44.4 C)
d) Water (Tsubf=32.0 C)