A copper-nickel alloy contains 60 wt% Ni-40 wt% Cu. If this alloy is slowly heated from 1200°C (2192°F), what will be the composition of the first liquid phase that forms?

The eutectic composition for the tin-lead system is approximately:

Grace was born in Korea but was adopted by White parents in the US when she was six. She doesn’t remember much from when she lived in Korea, but has recently started exploring what it means to her to be Korean and American. She plans to take a gap year before college to live in Korea. Grace is exploring her ______. 

For an iron-carbon alloy with a composition of 5 wt% C and 95 wt% Fe, label phase C and indicate its composition in the given schematic sketch of the microstructure at 1145°C.

Hypoeutectoid steel contains:

Chose two of the following questions to answer based on material in the chapter/posted resources. Be sure to label the two questions to which you are responding. While you could write entire books on these topics, please keep your responses brief (a few sentences).  Question Option A: Is there value in Standardized Intelligence Testing? Possible answers might include yes, no, or it depends. Explain your reasoning behind the response you chose. Question Option B: Would you recommend a parent enroll their child in a gifted and talented program? Why or why not? Question Option C: Imagine you were asked to consult on a major restructuring of education in the US. What recommendations would you give regarding standardized testing?

For a copper-silver alloy with a composition of 25 wt% Ag and 75 wt% Cu at 775°C (1425°F), what is the weight fraction of the total

For a Cu-Ni alloy with a composition of 63.8 wt% Ni and 36.2 wt% Cu at 1250°C, what is the composition of

What is the liquid phase composition for an alloy with 55 wt% Ag and 45 wt% Cu at 900°C?

For a lead (Pb) – tin (Sn) alloy with a composition of 25 wt% Sn and 75 wt% Pb, select the phase(s) present and their composition(s) at 200°C from the following choices.