In an experiment, aluminum of 200 g having a specific heat of 900 J/kg•K at 100°C is mixed with 44.0 g of water of 4186 J/kg•K at 20°C, having the mixture thermally isolated.
(i) Determine the equilibrium temperature?
(ii) Determine the entropy change of the aluminum?
(iii) Find the entropy change of the water?
(iv) Determine the entropy change of the aluminum-water system?