2 The phase diagram for the Ag/Cu system is shown below. 1100 1000 Liquid 900 N 3 800 Jold 1 700 5 600 500 100 A: Weight Percent cu Ag Cu (a) Identify each numbered area by the phase or phases they represent. (b) A sample 70% Cu (by weight) is liquified and mixed thoroughly at 1100 *C. The sample is then cooled to 900 °C. What is the compositione of each phase present at this temperature? (c) What are the relative amounts of each phase at this temperature?
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