The value of specific heat for copper is 390 J/kg⋅C∘, for aluminun is 900 J/kg⋅C∘, and for water is 4186 J/kg⋅C∘. What will be the equilibrium temperature when a 235 g block of copper at 255 ∘C is placed in a 135 g aluminum calorimeter cup containing 825 g of water at 16.0 ∘C?