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In an experiment, 100 g of aluminum (with a specific heat of 900 J/kg·K) at 79.0°C...

In an experiment, 100 g of aluminum (with a specific heat of 900 J/kg·K) at 79.0°C is mixed with 80.0 g of water (with a specific heat of 4186 J/kg·K) at 43.0°C, with the mixture thermally isolated. (a) What is the equilibrium temperature? What are the entropy changes of (b) the aluminum, (c) the water, and (d) the aluminum-water system?

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