A 229.0 g piece of lead is heated to 84.0oC and then dropped into a calorimeter…

A 229.0 g piece of lead is heated to 84.0oC and then
dropped into a calorimeter containing 526.0 g of water that
initally is at 15.0oC. Neglecting the heat capacity of
the container, find the final equilibrium temperature (in
oC) of the lead and water.