Question

If, as a pioneer, you wished to warm your room by taking an object heated on top of a stove into it, which of the following 15 lb objects, each heated to 100 degrees celcius, would be the best choice and why. The specific heat capacity (in J/(g.K)) is given in parenthesis. Iron (0.450), copper (0.387), granite (0.79), gold (0.129), or water (4.18).