The unknown piece of metal is heated to 158.0 C. After the heating added the 65.0 grams of water initially at 26.8 C and it is having the final temperature is 31.8 C. Analyze the specific heat and Recognize the unknown piece of metal when the specific heat of water is 4.184J/gC.
Specific heat: Al 0.900 Fe0.450 Cu 0.387 Ag 0.235 Au 0.129