a 12 inch diameter ball of pure cobalt metal at 225 deg celcius was placed in 10 gal of water at 15 deg celcius. what is the final temperature of the water? assume no heat lost to surrounding
sp.ht for cobalt = .421 J/g deg-celcius
1 gal= 3.785 L
1 in= 2.54 cm
v sphere=4/3 pi r^3