Physics

Problem

A 200 g aluminum block at 150 °C is quickly placed into 500 g of water at 20 °C inside an insulated container. Assuming no heat is lost to the surroundings and using specific heat capacities of

c_{\text{Al}} = 0.90\,\text{J g}^{-1}\,^{\circ}\text{C}^{-1}

and

c_{\text{H}_2\text{O}} = 4.18\,\text{J g}^{-1}\,^{\circ}\text{C}^{-1}

, calculate the final equilibrium temperature of the system.

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