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Consider a copper-nickel (Cu-Ni) alloy composed of 45 wt% Ni:55 wt% Cu that is at equilibrium at a temperature of 1200 °C. Now consider that this alloy is heated very slowly (assuming that equilibrium is maintained) to 1270 °C, which is within the a + L region. (a) Determine the wt% of Ni in each phase (i.e., wt% Ni in a, wt% Ni in L). (b) Determine the mass fractions of these two phases (i.e., wt% a and wt% L).

Consider a copper-nickel (Cu-Ni) alloy composed of 45 wt% Ni:55 wt% Cu that is at equilibrium at a temperature of 1200 °C. Now consider that this alloy is heated very slowly (assuming that equilibrium is maintained) to 1270 °C, which is within the a + L region. (a) Determine the wt% of Ni in each phase (i.e., wt% Ni in a, wt% Ni in L). (b) Determine the mass fractions of these two phases (i.e., wt% a and wt% L).

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2) Consider a copper-nickel (Cu-Ni) alloy composed of 45 wt% Ni:55 wt% Cu that is at equilibrium at a temperature of 1200 °C. Now consider that this alloy is heated very slowly (assuming that equilibrium is maintained) to 1270 °C, which is within the a + L region. (a) Determine the wt% of Ni in each phase (i.e., wt% Ni in a, wt% Ni in L). (b) Determine the mass fractions of these two phases (i.e., wt% a and wt% L).
Transcribed Image Text:2) Consider a copper-nickel (Cu-Ni) alloy composed of 45 wt% Ni:55 wt% Cu that is at equilibrium at a temperature of 1200 °C. Now consider that this alloy is heated very slowly (assuming that equilibrium is maintained) to 1270 °C, which is within the a + L region. (a) Determine the wt% of Ni in each phase (i.e., wt% Ni in a, wt% Ni in L). (b) Determine the mass fractions of these two phases (i.e., wt% a and wt% L).
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