Answer:
See below
Explanation:
1)
.897 J / g-C * 100 gm * 120 C = 10764 J (see how the 'units' cancel out?)
2) spec heat = 963.6 J / (120 gm (90-80 C) =
963.6 / ( 120 * 10) = .803 J / g-C
from the table, this is granite
