Question: Clearly show all work. Box your answer to each question. A lead-tin alloy of composition Pb-45%Sn is slowly cooled from a temperature of 300C. 400

Clearly show all work. Box your answer to each question. A lead-tin alloy of composition Pb-45%Sn is slowly cooled from a temperature of 300C. 400 L 300 a + L Temperature (C) 200 I + a 19 183 61.9 97.5 1B 100 Q+B Pb 20 60 80 Sn 40 Weight percent tin a) At what temperature does the first solid phase form? b) What is the composition of this solid phase? c) At what temperature does the last liquid solidify? d) What is the amount of each phase at 100 C
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