Consider a 25 wt% Ag 75 wt% Cu alloy cooling from the melt: i. Upon cooling, at what temperature will the first solid phase appear? ii. Identify the first solid phase that appears and state its composition (e.g. at the temperature where it initially appears)? iii. At what temperature will the alloy completely solidify? iv. When just completely solidified, sketch and describe the microstructure? v. Using the lever rule, calculate the wt% of both and phases present