Binary phase diagram of an aluminum – silicon mixture Data: Tmelt(Al) = 660 °C Tmelt(Si) = 1412 °C Silicon forms an alloy in the liquid state (total miscibility) with aluminum. The two metals are not miscible in the solid state. The temperature of solidification of the Si-Al alloy is minimal at 580 °C for a mass fraction of silicon wSj equal to 0.125. What are the phases in presence when the system is in equilibrium in the following conditions: А В C D wSi 0.05 0.125 0.5 0 (°C) 700 600 550 700

Binary phase diagram of an aluminum – silicon mixture Data: Tmelt(Al) = 660 °C Tmelt(Si) = 1412 °C Silicon forms an alloy in the liquid state (total miscibility) with aluminum. The two metals are not miscible in the solid state. The temperature of solidification of the Si-Al alloy is minimal at 580 °C for a mass fraction of silicon wSj equal to 0.125. What are the phases in presence when the system is in equilibrium in the following conditions: А В C D wSi 0.05 0.125 0.5 0 (°C) 700 600 550 700

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1. The following data was obtained for liquid A and B which is partially miscible. T (K) 309.82 309.42 309.03 308.00 306.68 0.400 0.371 0.473 0.527 0.600 0.629 0.674 0.761 304.55 301.80 299.09 0.326 0.239 0.255 0.745 XA XB 296 0.218 0.193 0.168 0.782 0.807 0.832 294.53 0.157 0.843 (a) Plot the phase diagram of liquid A and B (b) State the composition of two phases that form from mixing 0.750 mol of A and 0.250 of B at 300 K. (c) To what temperature must the mixture be heated to form a single-phase mixture?
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