Cite the phases that are present and the phase compositions for the following alloys:

(a) 15 wt% Sn-85 wt% Pb at 100°C (212°F)

(b) 25 wt% Pb-75 wt% Mg at 425°C (800°F)

(c) 85 wt% Ag-15 wt% Cu at 800°C (1470°F)

(d) 55 wt% Zn-45 wt% Cu at 600°C (1110°F)

(e) 1.25 kg Sn and 14 kg Pb at 200°C (390°F)

(f) 7.6 lbm Cu and 144.4 lbm Zn at 600°C (1110°F)

(g) 21.7mol Mg and 35.4mol Pb at 350°C (660°F)

(h) 4.2mol Cu and 1.1mol Ag at 900°C (1650°F)