Temperature ˚C 1100. 1000 Liquid 900. 800 700 600 500. 400- (AI) 300 20 ΑΙ 548.2°C (Al)+0 10 10 20 30 40 50 60 70 10 Weight Percent Copper Figure 1: Al-Cu Phase Diagram 80 50 90 90 (Cu) 100 Cu Using the Al-Cu phase diagram provided, calculate the overall composition of the alloy and plot it as a vertical line. Answer the following questions: If this alloy were reneated, what would be the composition of the first liquid to appear? 7. Estimate the shape of a plot of temperature vs. time for the cooling process from 1000°C to room temperature. Explain the features of this cooling curve with reference to the phase diagram, including any curvature or changes in slope. 8. Offer an explanation as to why neither pure metal shows substantial solid solubility of the other. Also, why might the solubility of Al in Cu at 300°C be somewhat higher than that of Cu in Al at the same temperature?
Temperature ˚C 1100. 1000 Liquid 900. 800 700 600 500. 400- (AI) 300 20 ΑΙ 548.2°C (Al)+0 10 10 20 30 40 50 60 70 10 Weight Percent Copper Figure 1: Al-Cu Phase Diagram 80 50 90 90 (Cu) 100 Cu Using the Al-Cu phase diagram provided, calculate the overall composition of the alloy and plot it as a vertical line. Answer the following questions: If this alloy were reneated, what would be the composition of the first liquid to appear? 7. Estimate the shape of a plot of temperature vs. time for the cooling process from 1000°C to room temperature. Explain the features of this cooling curve with reference to the phase diagram, including any curvature or changes in slope. 8. Offer an explanation as to why neither pure metal shows substantial solid solubility of the other. Also, why might the solubility of Al in Cu at 300°C be somewhat higher than that of Cu in Al at the same temperature?
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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these are questions about this experimentt(This experiment will involve determining the overall composition of an Al-Cu mixture, heating it
in a ceramic crucible to temperatures expected to result in a single-phase liquid, and then
allowing the liquid to cool until it freezes. ), please answer them, the diagram is provided.please note that the initial mass of aluminum is 94.14 grams and inital mass of cu is 21.52 grams, if you need any more information let me know. will give thumbs up.
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