If, as a pioneer, you wished to warm your room by taking an object heated on top of a pot-bellied stove to it, which of the following 15-pound objects, each heated to 100 degree c, would be the best choice? the specific heat capacity (in j/g degree c) for each substance is given in parentheses. iron (0.450), copper (0.387), granite (0.79), gold (0.129), water (4.184).
a. copper
b. iron
c. granite
d. water
e. gold