An 87.0-g piece of iron whose temperature is 73.8 °C (347.0 K) is placed in a beaker containing 300 g of water at 18.6 °C (291.8 K). When thermal equilibrium is reached, what is the final temperature? (Assume no energy is lost to warm the beaker and its surroundings.) The specific heat of iron is 0.449 J/g∙K, and the specific heat of water is 4.184 J/g∙K. K

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