The masses in the question below are in grams at Celsius temperature. The specific heat of water is 4.184 /g degree Celsius. The answer does not obey the rules of significant figures.
A piece of metal of mass 18 g at 104?C is placed in a calorimeter containing 53.6 g of water at 21?C. The final temperature of the mixture is 72.2?C. What is the specific heat capacity of the metal? Assume that there is no energy lost to the surroundings.