A hot lump of 36.2 g of iron at an initial temperature of 62.0 °C is placed in 50.0 mL of H2O initially at 25.0 °C and allowed to reach thermal equilibrium. What is the final temperature of the iron and water given that the specific heat of iron is 0.449 J / (g·°C) ? Assume no heat is lost to surroundings.
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