A piece of metal of mass 20 g at 99C is placed in a calorimeter containing 55.8 g of water at 23C. The final temperature of the mixture is 30.4C.

A piece of metal of mass 20 g at 99◦C is placed in a calorimeter containing 55.8 g of water at 23◦C. The final temperature of the mixture is 30.4◦C. What is the specific heat capacity of the metal? Assume that there is no energy lost to the surroundings.